| HOYA CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20120135353 | FUNCTIONALLY GRADIENT INORGANIC RESIST, SUBSTRATE WITH FUNCTIONALLY GRADIENT INORGANIC RESIST, CYLINDRICAL BASE MATERIAL WITH FUNCTIONALLY GRADIENT INORGANIC RESIST, METHOD FOR FORMING FUNCTIONALLY GRADIENT INORGANIC RESIST AND METHOD FOR FORMING FINE PATTERN, AND INORGANIC RESIST AND METHOD FOR FORMING THE SAME - A functionally gradient inorganic resist that changes in its state by heat, having a main surface irradiated with laser beams and a rear surface opposed to the main surface; the functionally gradient inorganic resist including a single layer resist, wherein at least a composition of the single layer resist is continuously varied from the main surface side to the rear surface side, and anisotropy of an area in which a temperature reaches a fixed temperature when being irradiated with laser beams locally, is continuously increased from the main surface side to the rear surface side in the single layer resist. | 05-31-2012 |
| 20120135199 | GLASS MATERIAL FOR PRESS MOLDING, METHOD FOR MANUFACTURING OPTICAL GLASS ELEMENT EMPLOYING SAME, AND OPTICAL GLASS ELEMENT - Disclosed is a glass material for press forming providing an optical element having a sufficient optical performance without surface cracks, cloudiness, scratches, and the like even when the glass material contains an easily reducible component. Also disclosed are an optical element having a sufficient optical performance without surface cracks, cloudiness, scratches, and the like and a method for manufacturing the same. Specifically disclosed are a glass material for press forming and a glass optical element each of which comprises a core portion composed of multiple component optical glass and a composite surface layer covering at least a region serving as an optical functional surface of the core portion. The core portion is composed of optical glass that contains an easily reducible component and does not contain Pb. The composite surface layer includes a first surface layer that covers the core portion and a second surface layer that covers the first surface layer. The first surface layer is composed of a component that does not react with the glass of the core portion at the press forming temperature and does not diffuse in the glass of the core portion. The second surface layer is composed of a component that improves formability during the press forming. Also specifically disclosed is a method for manufacturing the optical element. | 05-31-2012 |
| 20120135153 | GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD OF THE SAME - A glass substrate for a magnetic disk of the invention is a disk-shaped glass substrate for a magnetic disk where the substrate has a main surface and end face and is subjected to chemical reinforcement treatment, and is characterized in that the penetration length in the uppermost-portion stress layer on the main surface is 49.1 μm or less, and that assuming that an angle between the main surface and compressive stress in the stress profile by a Babinet compensator method is θ, a value y of {12·t·ln(tan θ)+(49.1/t)} is the penetration length in the uppermost-portion stress layer or less. | 05-31-2012 |
| 20120134027 | GLASS MATERIAL FOR PRESS MOLDING, METHOD FOR MANUFACTURING OPTICAL GLASS ELEMENT USING SAME, AND OPTICAL GLASS ELEMENT - Disclosed is a glass material for press forming providing an optical element having a sufficient optical performance without surface cracks, cloudiness, scratches, and the like even when the glass material contains a highly reactive component. Also disclosed are an optical element having a sufficient optical performance without surface cracks, cloudiness, scratches, and the like and a method for manufacturing the same. Specifically disclosed is a glass material for press forming which comprises a core portion composed of multicomponent optical glass and a surface glass layer covering at least a region serving as an optical functional surface of the core portion. The surface glass layer contains more than 90 mass % of SiO | 05-31-2012 |
| 20120129084 | PHOTOMASK BLANK AND PRODUCTION METHOD THEREOF, AND PHOTOMASK PRODUCTION METHOD, AND SEMICONDUCTOR DEVICE PRODUCTION METHOD - A photomask blank which is capable of preventing static buildup caused by electron beam pattern drawing for forming a resist pattern. The photomask blank provides a good pattern accuracy through optimization of the dry etching rate along the depth direction of the shielding film, and is capable of reducing the dry etching time by increasing the dry etching rate of the shielding film. The photomask blank includes a translucent substrate having thereon a shielding film composed mainly of chromium and the shielding film contains hydrogen. The shielding film is formed in such a manner that the film formation rate of the layer at the surface side is lower than the film formation rate of the layer at the translucent substrate side of the shielding film. The dry etching rate of the shielding film is lower at the translucent substrate side than at the surface side. | 05-24-2012 |
| 20120120503 | ZOOM LENS SYSTEM AND ELECTRONIC IMAGING APPARATUS USING - A zoom lens system includes a negative first lens group, a positive second lens group, and a negative third lens group, in that order from the object side, wherein upon zooming from the short focal length extremity to the long focal length extremity, the distance between the first lens group and the second lens group decreases. The third lens group includes a negative lens element having a concave surface on the image side, a positive lens element having a convex surface on the image side, and a negative lens element having convex surface on the image side, in that order from the object side. An electronic imaging apparatus using this zoom lens system is also disclosed. | 05-17-2012 |
| 20120120502 | ZOOM LENS SYSTEM AND ELECTRONIC IMAGING APPARATUS USING THE SAME - A zoom lens system includes a negative first lens group, a positive second lens group, and a negative third lens group, in that order from the object side, wherein upon zooming from the short focal length extremity to the long focal length extremity, the distance between the first lens group and the second lens group decreases, wherein the following condition (1) is satisfied: | 05-17-2012 |
| 20120115075 | MASK BLANK, TRANSFER MASK, METHOD OF MANUFACTURING A TRANSFER MASK, AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE - A mask blank for use in the manufacture of a transfer mask adapted to be applied with ArF exposure light is disclosed. The mask blank has a light-shielding film on a transparent substrate. The light-shielding film has an at least two-layer structure comprising a lower layer composed mainly of a material containing a transition metal, silicon, and nitrogen and an upper layer composed mainly of a material containing a transition metal, silicon, and nitrogen. The ratio of the etching rate of the lower layer to that of the upper layer is 1.0 or more and 5.0 or less in etching which is carried out by supplying a fluorine-containing substance to a target portion and irradiating charged particles to the target portion. | 05-10-2012 |
| 20120111062 | OPTICAL GLASS, PRECISION PRESS-MOLDING PREFORM AND OPTICAL ELEMENT - Provided is an optically uniform and high-quality optical glass that is free from the occurrence of striae when a precision press-molding preform is produced therefrom, and that is a fluorine-containing glass having a refractive index nd | 05-10-2012 |
| 20120111061 | PRODUCTION OF FLUOROPHOSPHATE OPTICAL GLASS, AND PRODUCTION OF OPTICAL ELEMENT - In a method for producing a fluorophosphate optical glass comprising melting a glass raw material to give a molten glass, and refining, homogenizing and then quickly quenching the molten glass to produce the fluorophosphate optical glass, even if the glass is flown from a refining tank that is set to a high temperature to an operation tank that is set to a low temperature, bubbles are not generated in the glass. | 05-10-2012 |
| 20120107647 | GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM - An aspect of the present invention relates to a glass substrate for a magnetic recording medium, which is comprised of glass comprising, denoted as molar percentages, 56 to 75 percent of SiO | 05-03-2012 |
| 20120105801 | METHOD FOR EVALUATING EYEGLASS LENS, METHOD FOR DESIGNING EYEGLASS LENS, AND METHOD FOR MANUFACTURING EYEGLASS LENS - An optical system is configured using a coordinate system such that an origin | 05-03-2012 |
| 20120105609 | BINOCULAR VISUAL PERFORMANCE MEASURING METHOD, BINOCULAR VISUAL PERFORMANCE MEASURING PROGRAM, EYEGLASS LENS DESIGN METHOD AND EYEGLASS LENS MANUFACTURING METHOD - A binocular visual performance measuring method including: a parallax image displaying step of displaying left and right parallax images at a predetermined measurement start position on a display screen when a measurement item is designated; a parallax image changing step of changing one of the left and right parallax images relative to the other of the left and right parallax images in accordance with the designated measurement item; a timing detecting step of detecting a timing when the subject viewing the left and right parallax images from a position a predetermined distance away from the display screen becomes unable to achieve fusion of the left and right parallax images; and a measurement value calculating step of calculating a measurement value of the designated measurement item based on the predetermined distance and a difference between the left and right parallax images defined at the detected timing. | 05-03-2012 |
| 20120101617 | PHOTOCHROMIC LENS MANUFACTURING SYSTEM, PHOTOCHROMIC LENS MANUFACTURING DEVICE, PHOTOCHROMIC LENS MANUFACTURING PROGRAM, RECORDING MEDIUM HAVING PHOTOCHROMIC LENS MANUFACTURING PROGRAM RECORDED THEREUPON, AND PHOTOCHROMIC LENS MANUFACTURING METHOD - An object of the present invention is to make it possible to manufacture a photochromic lens on made-to-order basis within short time, without keeping a stack of the photochromic lens. A photochromic lens manufacturing system has an orderer side computer ( | 04-26-2012 |
| 20120100981 | OPTICAL GLASS - An optical glass that is an oxide glass having a very high refractive index in spite of its low-dispersion property, having excellent glass stability and having less susceptibility to coloring. | 04-26-2012 |
| 20120100470 | MASK BLANK, TRANSFER MASK, AND METHOD OF MANUFACTURING A TRANSFER MASK - Provided is a mask blank which enables EB defect correction to be suitably applied and which further enables a reduction in the thickness of a light-shielding film. A mask blank | 04-26-2012 |
| 20120100466 | MASK BLANK AND TRANSFER MASK - A mask blank and transfer mask that overcomes problems caused by an electromagnetic field (EMF) effect when the DRAM half pitch (hp) specified in semiconductor device design specifications is 32 nm or less. The mask blank is used in manufacturing a transfer mask to which ArF exposure light is applied, and includes a light shielding film | 04-26-2012 |
| 20120090358 | METHOD FOR PRODUCING FLUOROPHOSPHATE GLASS, GLASS MATERIAL FOR PRESS MOLDING AND OPTICAL ELEMENT - In order to produce a fluorophosphate glass including P | 04-19-2012 |
| 20120086824 | CAMERA WITH IMAGE STABILIZATION FUNCTION - A camera according to the present invention is equipped with an image sensor; an A/D converter that converts analog image-pixel signals read from the image sensor to digital image-pixel signals; an image stabilizer that comprises a coil and a movable member configured to move in a given direction while supporting the image sensor; an image stabilization controller that controls a position of the movable member at given time intervals by sending pulse drive signals through the coil; and a timing adjustment processor that shifts at least one of a rise timing and fall timing of the pulse drive signals from a signal-processing interval associated with an A/D conversion process. | 04-12-2012 |
| 20120086823 | DIGITAL CAMERA - A digital camera is provided that includes a camera body and a monitor device. The camera body includes an imaging module, an image stabilization module, a first connector half and a first wireless communication module. The monitor device is detachable from the camera body and includes a monitor, a second connector half complemental to the first connector half and a second wireless communication module complemental to the first wireless communication module. An operation of the image stabilization module is suspended when monitor device is detached from the camera body. | 04-12-2012 |
| 20120086818 | DIGITAL CAMERA - A digital camera is provided that includes a first wireless communication module and image data processor. The first wireless communication module transmits image data to a monitor device via wireless communication. The image data processor processes image data before transmitting it to the monitor device via the wireless communication module. The image data processor has a first mode in which the image data are compressed at a predetermined compression ratio when transmitting a through-the-lens image to the monitor device, and a second mode in which the image data are compressed less than the predetermined compression, including zero compression, while carrying out at least one of reducing a frame rate compared to the first mode or extracting part of an image comprising the image data. | 04-12-2012 |
| 20120086817 | DIGITAL CAMERA - A digital camera is provided that includes an imaging module and a first wireless communication module. The first wireless communication module is used to perform radio communication with a monitor device separated from a camera body. A volume of data being transferred per unit time is reduced compared to a volume of moving-image data transferred via wired communication to display the moving image, when moving-image data obtained by the imaging module being transferred to the monitor device uses the first wireless communication module. | 04-12-2012 |
| 20120086138 | MANUFACTURING METHOD AND MANUFACTURING DEVICE OF FORMED ARTICLE, AND MANUFACTURING METHOD OF EYEGLASS LENS - An aspect of the present invention relates to a method of manufacturing a formed article forming an upper surface of a forming material comprised of a thermosoftening substance into a desired shape by heating the forming material in a state where the forming material is positioned on a forming surface of a forming mold to a temperature permitting deformation of the forming material to bring a lower surface of the forming material into tight contact with the forming surface. The heating is conducted by positioning the forming mold, on which the forming material has been positioned, beneath heat source(s) radiating radiant heat in a state where a plate-shaped member the outermost surface of which is comprised of a metal material is positioned above the upper surface of the forming material. Another aspect of the present invention relates to a method of manufacturing a formed article forming an upper surface of a forming material comprised of a thermosoftening substance into a desired shape by heating the forming material within a heating furnace in a state where the forming material is positioned on a forming surface of a forming mold to a temperature permitting deformation of the forming material to bring a lower surface of the forming material into tight contact with the forming surface. The forming is conducted while an exposed portion on the forming surface side of the forming mold on which the forming material has been positioned is covered with a covering member, and at least a portion of the covering member comprises a metal material layer. | 04-12-2012 |
| 20120084967 | POLISHING JIG AIR INJECTION APPARATUS AND METHOD - This invention discloses a polishing jig air injection apparatus including a polishing jig installation base including a surface on which a spectacle lens polishing jig is placed, an injection member which is inserted into an air injection port of the spectacle lens polishing jig, and an air supply device which supplies the air into a balloon member of the spectacle lens polishing jig via the injection member and the air injection port. The injection member includes a main body formed in a pillar shape, and a seal member. The main body includes an air passage, and an annular groove formed in the outer circumferential portion of the main body. The seal member is inserted into the annular groove, is formed in an annular shape, and uses an elastic body. The seal member has an outer diameter larger than the inner diameter of the air injection port. | 04-12-2012 |
| 20120083401 | COVER GLASS AND METHOD FOR PRODUCING COVER GLASS - The disclosed cover glass is produced by etching a glass substrate that has been formed by a down-drawing process, and chemically strengthening the glass substrate to provide the glass substrate with a compressive-stress layer on the principal surfaces thereof. The glass substrate contains, as components thereof, 50% to 70% by mass of SiO | 04-05-2012 |
| 20120082924 | MASK BLANK, TRANSFER MASK, METHOD OF MANUFACTURING A TRANSFER MASK, AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE - A mask blank for use in the manufacture of a binary mask adapted to be applied with ArF excimer laser exposure light has, on a transparent substrate, a light-shielding film for forming a transfer pattern. The light-shielding film has a laminated structure of a lower layer and an upper layer and has an optical density of 2.8 or more for exposure light and a thickness of 45 nm or less. The lower layer is made of a material in which the total content of a transition metal and silicon is 90 at % or more, and has a thickness of 30 nm or more. The upper layer has a thickness of 3 nm or more and 6 nm or less. The phase difference between exposure light transmitted through the light-shielding film and exposure light transmitted in air for a distance equal to the thickness of the light-shielding film is 30 degrees or less. | 04-05-2012 |
| 20120081797 | IMAGING DEVICE - An imaging device is provided with an imaging sensor having a rectangular imaging surface, an image-forming optical system for forming an image onto the imaging surface, and a prism disposed between the image-forming optical system and the imaging sensor for bending an optical path. A mask, having a rectangular opening, limits light that is to be incident on the imaging sensor. The aspect ratio (long side/short side) of the mask rectangular opening of the mask is larger than that of the rectangular imaging surface, and the peripheral light quantity difference between the short and long sides on the rectangular imaging surface is smaller than in the case of these two aspect ratios being equal to each other. | 04-05-2012 |
| 20120081661 | EYEGLASS LENS EVALUATION METHOD, EYEGLASS LENS DESIGN METHOD, EYEGLASS LENS MANUFACTURING METHOD, EYEGLASS LENS MANUFACTURING SYSTEM, AND EYEGLASS LENS - With respect to the evaluation of custom-made eyeglass lenses using a binocular visual acuity function, a measumrnet value including essentially at least one of or both of a positive relative convergence or a negative relative convergence of the positive relative convergence, the negative relative convergence, a positive relative accommodation, a negative relative accommodation and a vertical fusional vergence is provided as a factor. | 04-05-2012 |
| 20120076880 | PLASTIC LENS MANUFACTURING DEVICE - A plastic lens manufacturing device includes a preparation tank in which a lens material is prepared; a suction unit which exhausts a gas in the preparation tank; a thermometer which measures a temperature of the lens material that is prepared; a revolution indicator which measures the number of revolutions of a stirrer for stirring the lens material when the lens material is prepared; a control unit which determines abnormality of a preparation state based on data obtained from the thermometer and revolution indicator; a temperature regulation unit which regulates a temperature inside the preparation tank; an inhibitor introduction unit which introduces a reaction inhibitor into the preparation tank; and a programmable logic controller which is connected to the control unit and controls operations of the temperature regulation unit and the inhibitor introduction unit based on determination made by the control unit. | 03-29-2012 |
| 20120076480 | IMAGING UNIT - An imaging unit includes an incident-side reflecting surface provided in a casing and reflects object-emanating light, entering the casing in a thickness direction thereof, along a lengthwise direction of the casing; a movable lens group movable along the lengthwise direction of the casing; an exit-side reflecting surface reflecting the light in the thickness direction of the casing; an image sensor provided in the casing and receiving the light from the exit-side reflecting surface; and a plurality of light shield frames provided in the casing between the movable lens group and the exit-side reflecting surface, the light shield frames being arranged in the lengthwise direction of the casing and moving in the lengthwise direction of the casing when the movable lens group performs a power-varying operation. | 03-29-2012 |
| 20120076479 | IMAGING UNIT - An imaging unit includes an incident-side reflecting surface provided in a casing and reflects object-emanating light, entering the casing in a thickness direction thereof, along a lengthwise direction of the casing; a movable lens group movable along the lengthwise direction of the casing; an exit-side reflecting surface reflecting the light in the thickness direction of the casing; an image sensor provided in the casing and receiving the light from the exit-side reflecting surface; a light shield frame between the movable lens group and the exit-side reflecting surface; and a light-shield-frame position adjustment mechanism provided in the casing, which maintains a constant distance between the movable lens group an the light shield frame when the movable lens group moves in a first moving range, and varies the distance between the movable lens group and the light shield frame when the movable lens group moves in a second moving range. | 03-29-2012 |
| 20120075979 | OPTICAL ELEMENT AND OBJECTIVE LENS THROUGH WHICH A PLURALITY OF LIGHT BEAMS HAVING DIFFERENT DESIGN WAVELENGTHS PASS - A method of designing an optical element to be used for an optical system in which each of a plurality of light beams having different design wavelengths passes through the optical element is provided. The method includes determining at least two types of optical path difference functions including first and second optical path difference functions in such a manner that proportion, brought by the first optical path difference function, between diffraction orders at which diffraction efficiencies of the plurality of light beams are maximized is different from proportion, brought by the second optical path difference function, between diffraction orders at which diffraction efficiencies of the plurality of light beams are maximized, and obtaining a shape defined by combining the at least two types of optical path difference functions so as to apply the obtained shape to at least one surface of surfaces of the optical element. | 03-29-2012 |
| 20120075731 | GEAR MECHANISM - A gear mechanism having a smaller diameter and achieving an accurate automatic drive includes a central gear supported on a rotational shaft, first and second side gears coaxially positioned on both sides of the central gear, planetary bevel gears supported within side surfaces of the central gear, and sun bevel gears respectively formed on the inner side surfaces of the first and second side gears which are engaged with the planetary bevel gears. At least one of the first and second side gears is provided with a torque adjuster for adjusting the torque of the side gear(s). | 03-29-2012 |
| 20120075728 | IMAGING OPTICAL SYSTEM AND IMAGING APPARATUS - An imaging optical system, including an imaging lens group, an image side prism having an entrance surface a reflection surface and an exit surface from which light exits toward an image pickup device, and a first shielding member shielding at least a part of a region on the entrance surface, wherein the region on the entrance surface is located from an edge line of an apex between the entrance surface and the exit surface to a position corresponding to a height h from the edge line, and when L represents a length of the exit surface, α represents an angle formed between the reflection surface and the exit surface, n represents a refractive index of a surrounding area of the image side prism, and n′ represents a refractive index of the image side prism, the height h satisfies a following condition: h=L×cos {α+sin | 03-29-2012 |
| 20120075727 | IMAGING OPTICAL SYSTEM AND IMAGING APPARATUS - An imaging optical system, which is provided with an imaging lens group having at least one lens, an image side prism that bends light which has passed through the imaging lens group toward an image pickup device arranged at a predetermined position, and a cover glass that is provided for the image pickup device and lets the light bent by the image side prism pass therethrough, and wherein an exist surface of the image side prism from which the light bent by the image side prism emerges and an entrance surface of the cover glass are adhered to each other with an adhesive which is optically transparent. | 03-29-2012 |
| 20120075726 | IMAGING OPTICAL SYSTEM AND IMAGING APPARATUS - An imaging optical system, which includes an imaging lens group having at least one lens, and an image side prism that bends light which has passed through the imaging lens group toward an image pickup device arranged at a predetermined position, and wherein the image side prism includes a reflection surface which reflects, toward the image pickup device, incident light proceeding from the imaging lens group and an exit surface from which light reflected from the reflection surface emerges, and wherein the image side prism has a cut surface formed by cutting off a vertex portion between the reflection surface and the exit surface such that a whole normal light incident area within which normal light is incident on the reflection surface remains, and the cut surface is a non-diffusing surface. | 03-29-2012 |
| 20120075720 | VARIFOCAL LENS BARREL - A varifocal lens barrel includes a plurality of lens groups, each of which are linearly movable in the optical axis direction thereof without rotating about the optical axis during a zooming operation and during a focusing operation, including a base barrel which is linearly movable in the optical axis direction by rotation of a zoom operational ring, wherein lens frames of the respective lens groups are each supported by the base barrel. | 03-29-2012 |
| 20120075717 | VARIABLE POWER OPTICAL SYSTEM AND IMAGING APPARATUS - A variable power optical system, including a fixed negative first lens group, a second positive lens group and a third positive lens group, wherein the first lens group includes a deflecting element arranged to bend an optical path, and when d | 03-29-2012 |
| 20120075523 | IMAGING UNIT - An imaging unit includes a housing having an opening on one of opposite sides in a direction of thickness thereof; an imaging optical system provided in the housing and includes an incident surface and an exit-side prism, wherein object-emanated light being incident on said incident surface and traveling in a lengthwise direction of said housing is reflected by said exit-side prism toward said opening; an image sensor, installed in the housing, with an imaging surface facing the other of the opposite sides of the housing toward an exit surface of the exit-side prism; a spacer projecting from the housing or a fixed member, the spacer contacting the image sensor to create a clearance between the exit surface and the imaging surface; and a cover fixed to the housing to close the opening and press the image sensor so as to come in contact with the spacer. | 03-29-2012 |
| 20120075518 | IMAGING UNIT - An imaging unit includes a housing having an opening; a positioning portion provided in the housing; an imaging optical system including a bending optical system having two reflecting surfaces which bend an optical path of the imaging optical system, an incident surface of the bending optical system being exposed outwardly from the housing; an image sensor installed in the housing and includes an imaging surface which receives light reflected by one of the reflecting surfaces positioned on an exit side of the imaging optical system; a circuit board which closes at least part of the opening and to which the image sensor is fixedly connected; and a cover fixedly fitted to the housing so as to close the opening and press the circuit board toward the image sensor so that the image sensor or the circuit board comes in contact with the positioning portion. | 03-29-2012 |
| 20120073153 | SPECTACLE EDGING ASSIST DEVICE AND SPECTACLE LENS SUITABILITY DETERMINING METHOD - This invention discloses a spectacle edging assist device including a flexible layout chart, chart holding portion, and spectacle frame holding portion. An index used to determine the suitability of a lens while the layout chart is superposed on a spectacle frame is drawn on the flexible layout chart. The chart holding portion holds the layout chart upon bending the layout chart to have a curvature corresponding to the frame curve of the spectacle frame, and also holds the layout chart to be movable in the horizontal direction of the spectacle frame. The spectacle frame holding portion holds the spectacle frame so that its front portion overlaps the layout chart. The chart holding portion brings at least two end pieces of the spectacle frame into contact with the layout chart. A spectacle lens suitability determining method is also disclosed. | 03-29-2012 |
| 20120071887 | INTRAOCULAR LENS INSERTION DEVICE - An intraocular lens insertion device capable of folding an intraocular lens into a predetermined shape without giving a local stress to the intraocular lens. The intraocular lens insertion device | 03-22-2012 |
| 20120071680 | SURFACE-MODIFIED ZIRCONIA NANOCRYSTAL PARTICLE AND METHOD FOR PRODUCING SAME - The invention provides a surface-modified zirconia nanocrystal particle, wherein the surface of the zirconia nanoparticle is modified by organic sulfonyloxy groups, and a method of producing a zirconia nanocrystal particle whose surface is modified by carbonyloxy groups, organic phosphoryloxy groups or aryloxy groups. This makes it possible a highly stable surface-modified zirconia nanocrystal particle having a solvent dispersibility by a simple method. Further, it is possible to the surface-modified zirconia nanocrystal particle of the invention is equipped with a surface modifier having a structure that can be easily substituted with a desired functional group according to use. Furthermore, it is possible to the method of producing the surface-modified zirconia nanocrystal particle which is capable of easily producing that. | 03-22-2012 |
| 20120070381 | OPHTHALMOLOGIC COMPOSITION HAVING GELATION ABILITY - Disclosed is a material for use in ophthalmologic organ replacement, which is transparent, has controllable physical properties, and can have physical properties suitable for use as an ophthalmic tissue when the hardness of a gel produced from the material or the fluidability of a sol produced from the material at a specific temperature or lower is varied. Specifically disclosed is an ophthalmologic composition capable of forming a gel, which comprises a polyethylene glycol that is represented by formula 1 and has one end modified with a long-chain alkyl group, a polyethylene glycol that is represented by formula 2 and has both ends modified with a long-chain alkyl group, and a solvent. | 03-22-2012 |
| 20120069451 | ZOOM LENS SYSTEM AND ELECTRONIC IMAGING APPARATUS - A zoom lens system includes a negative first lens group, a positive second lens group and a positive third lens group, in that order from the object side, wherein upon zooming from the short to long focal length extremities, the distance between the first and second lens groups decreases, and the distance between the second and third lens groups increases. The first lens group includes a negative lens element and a positive lens element; and the second lens group includes a cemented lens formed from a positive lens element and a negative lens element, and a negative lens element, in that order from the object side. The following conditions (1) and (2) are satisfied: | 03-22-2012 |
| 20120063763 | SHOCK-ABSORBING MECHANISM FOR MOVABLE MIRROR OF CAMERA - A movable mirror shock-absorbing mechanism of a camera, includes a movable mirror rotatable between a viewfinder light-guiding position and a retracted position, a mirror-advancing shock-absorbing member which comes into contact with, and is pressed and moved by, the movable mirror to absorb shock of the movable mirror when the movable mirror rotates from the retracted position to the viewfinder light-guiding position, and a mirror-retracting shock-absorbing member which comes into contact with, and is pressed and moved by, the movable mirror to absorb shock of the movable mirror when the movable mirror rotates from the viewfinder light-guiding position to the retracted position. The mirror-advancing shock-absorbing member is held in a position so as not to contact with the movable mirror by the mirror-retracting shock-absorbing member when the movable mirror is in the viewfinder light-guiding position. | 03-15-2012 |
| 20120063004 | ZOOM LENS SYSTEM - A zoom lens system includes a negative first lens group, a positive second lens group, and a positive third lens group, in that order from the object side. Upon zooming from the short to long focal length extremities, the first through third lens groups move along an optical axis direction so that the distance between the first and second lens groups decreases, and the distance between the second and third lens groups increases. The second lens group includes a positive glass lens element and at least two plastic lens elements, in that order from the object side, and wherein the following condition (1) is satisfied: | 03-15-2012 |
| 20120063001 | ZOOM LENS SYSTEM - A zoom lens system includes a negative first lens group, a positive second lens group, and a positive third lens group, in that order from the object side. Upon zooming from the short to long focal length extremities, the first through third lens groups move along an optical axis direction so that the distance between the first and second lens groups decreases, and the distance between the second and third lens groups increases. The first lens group includes a negative glass lens element and at least two plastic lens elements, in that order from the object side, and wherein the following condition (1) is satisfied:
| 03-15-2012 |
| 20120062770 | HIGH ZOOM-RATIO ZOOM LENS SYSTEM AND ELECTRONIC IMAGING APPARATUS USING THE SAME - A high zoom-ratio zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group and a positive fourth lens group. Upon zooming, the distance between the first and second lens groups increases, the distance between the second and third lens groups decreases, and the distance between the third and fourth lens groups increases. The first lens group includes a negative lens element, and two positive lens elements. The absolute value of the radius-of-curvature of the image-side surface of the negative lens element within the first lens group is smaller than the absolute value of the radius-of-curvature of the object-side surface of the positive lens element on the object side within the first lens group. The following condition (1) is satisfied: | 03-15-2012 |
| 20120059490 | PHOTOGRAPHING DEVICE HAVING GAME FUNCTION - A photographing device is implemented with a gaming function in which win/loss of a game, which is provided with a first condition obtaining unit configured to obtain a first condition which is used to generate a first image file, a second condition obtaining unit configured to obtain a second condition which is used to generate a second image file, a score calculating unit configured to calculate a first score of the first image file and a second score of the second image file in accordance with the first condition and the second condition, respectively, a judging unit configured to judge win/loss of the game with respect to the first file and the second file based on the first score and the second score, and a display unit configured to display the win/loss of the game with respect to the first file and the second file. | 03-08-2012 |
| 20120057747 | IMAGE PROCESSING SYSTEM AND IMAGE PROCESSING METHOD - An image processing system performs a position-matching operation on first and second images, which are obtained by photographing the same object a plurality of times. A plurality of shift points are detected in the second image. The shift points correspond to fixed points, which are dispersed throughout the whole of the first image. The second image is divided into a plurality of partial images, the vertices of which are positioned at the same coordinates as the fixed points in the first image. Each of the partial images are shifted to the shift points to transform the partial images so that corresponding transformed partial images are produced. The transformed partial images are combined to form a combined image. | 03-08-2012 |
| 20120057065 | FOCUSING IMAGE DISPLAY DEVICE AND METHOD FOR DISPLAYING SAME - A focusing image display device is equipped with an autofocus processor, a spatial frequency detector, a magnification determiner and a focusing image display processor. The autofocus processor performs an autofocus operation using an image within a partial area of an effective pixel area. The spatial frequency detector calculates a spatial frequency of a focusing image within the partial area after the autofocus operation is completed. The magnification determiner determines the magnification of the focusing image in accordance to the spatial frequency. The focusing image display processor modifies the resolution of the focusing image with respect to the magnification. | 03-08-2012 |
| 20120057046 | IMAGING SYSTEM AND PIXEL SIGNAL READOUT METHOD - An imaging system including a frame rate setter and an exposure evaluator. The frame rate setter sets a frame rate used in a focusing operation. The frame rate is set faster than a normal frame rate. The exposure evaluator evaluates the exposure of a focusing image based on pixel signals read out from a focusing image area at the frame rate. The frame rate is reduced when the exposure is evaluated as an underexposure and the focusing operation is carried out at a reduced frame rate. | 03-08-2012 |
| 20120057034 | IMAGING SYSTEM AND PIXEL SIGNAL READOUT METHOD - An imaging system is provided that includes an area determiner and readout processor. The area determiner defines an area used in an auto focus operation within an effective pixel area of an image sensor. The readout processor reads out only pixel signals within the defined area. The size of the area is determined according to at least one of a focal length or a magnitude of camera shake. | 03-08-2012 |
| 20120057028 | IMAGING SYSTEM AND PIXEL SIGNAL READOUT METHOD - An imaging system is provided that includes a target detector, a readout area determiner and a readout processor. The target detector detects a target subject from an effective pixel area of an image sensor. The readout area determiner defines a readout area within the effective pixel area, the readout area corresponding to a detected target. The readout processor reads out only pixel signals within the readout area. A partial area within the readout area is redefined as the readout area when the size of the original readout area is greater than a predetermined size. | 03-08-2012 |
| 20120057008 | PHOTOGRAPHING DEVICE HAVING GAME FUNCTION, AND METHOD OF EXECUTING GAME - A photographing device having a game function which determines win/loss of photographing devices based on information regarding image files, is provided with a first parameter obtaining unit configured to obtain a first parameter regarding a first image file which was generated by the photographing device, a second parameter obtaining unit configured to obtain a second parameter regarding a second image file which is stored in another photographing device, a score calculating unit configured to calculate scores regarding the first image file and the second image file based on the first parameter and the second parameter, respectively, a win/loss determining unit configured to determine win/loss of the photographing device and the other photographing device, and generate win/loss information, a recording unit configured to store the win/loss information, in accumulated manner, as intrinsic information which is intrinsic to the photographing device, and a notifying unit configured to output the accumulated win/loss information. | 03-08-2012 |
| 20120045713 | PHOTOMASK BLANK, METHOD OF MANUFACTURING THE SAME, PHOTOMASK, AND METHOD OF MANUFACTURING THE SAME - A photomask blank for use in the manufacture of a photomask adapted to be applied with exposure light having a wavelength of 200 nm or less has a thin film on a transparent substrate. The thin film is made of a material containing a transition metal, silicon, and carbon and comprising silicon carbide and/or a transition metal carbide. | 02-23-2012 |
| 20120044575 | RETROFOCUS WIDE-ANGLE LENS SYSTEM AND OPTICAL INSTRUMENT PROVIDED WITH THE SAME - A retrofocus wide-angle lens system is provided, wherein the entire the wide-angle lens system is divided at a position that satisfies the following condition (1) between a theoretical front lens group having a negative refractive power, and a theoretical rear lens group having a positive refractive power including the diaphragm, at a minimum focal length, and wherein a flat parallel plate is disposed at the position that satisfies the following condition (1): | 02-23-2012 |
| 20120044405 | FOCUSING IMAGE VERIFYING DEVICE - An autofocus system is provided that includes a focus-verification image-recapturing processor and a focus-verification image display processor. The focus-verification image-recapturing processor sets ISO sensitivity to a value lower than a predetermined value and increases an exposure value by adjusting at least one of an aperture value and an exposure time to carry out a focus-verification image-recapturing operation under focusing conditions applied in an antecedent autofocus operation when ISO sensitivity that is set in said auto focus operation exceeds the predetermined value. The focus-verification image display processor displays a focus-verification image obtained by the focus-verification image-recapturing operation when the ISO sensitivity that is set in the auto focus operation exceeds the predetermined value. | 02-23-2012 |
| 20120037800 | PERFORMANCE EVALUATION METHOD WITH X-RAY AND ITS USAGE - An aspect of the present invention relates to a method of evaluating performance of a film-forming material for forming a functional film on an eyeglass lens substrate or a functional film formed by the use of the film-forming material. The performance to be evaluated is selected from the group consisting of a sliding sensation of a surface of the functional film and an adhesion of the functional film, and the evaluation is conducted based on a change over time in a quantity of photoelectrons generated by irradiating with an X-ray the film-forming material or the functional film. | 02-16-2012 |
| 20120035044 | Optical glass, preform for precision press molding, optical element and method of manufacturing thereof - An optical glass having a refractive index n | 02-09-2012 |
| 20120034552 | METHOD OF MANUFACTURING A PHOTOMASK - A thin film composed of a material containing a metal and silicon is formed on a transparent substrate, and a thin film pattern is formed by patterning the thin film. Then, the main surface and the side walls of the thin film pattern are previously modified so as to prevent the transfer characteristics of the thin film pattern from changing more than predetermined even in the case where exposure light with a wavelength of 200 nm or less is cumulatively applied onto the thin film pattern which has been formed. The main surface and the side walls are modified by, for instance, performing heat treatment to the main surface and the side walls at 450-900° C. in the atmosphere containing oxygen. | 02-09-2012 |
| 20120034434 | MASK BLANK, TRANSFER MASK, AND FILM DENSITY EVALUATION METHOD - A relative density of a light-shielding film made of MoSi, which is given by relative density=(actual density/theoretical density)×100, is obtained using a density (actual density) calculated by an XRR method and a theoretical density obtained from a material composition. By obtaining a dense film having a relative density greater than 94%, the thickness of an alterated layer, caused by exposure light, at a surface of the MoSi film can be made not more than 2.0 nm so that the dimensional change of a transfer pattern can be made small. | 02-09-2012 |
| 20120031305 | CALCIUM PHOSPHATE CEMENT COMPOSITION AND ITS KIT FOR BONE PROSTHESIS - A calcium phosphate cement composition kit comprising (A) a powdery agent comprising 100 parts by mass of calcium phosphate powder, and 5-50 parts by mass of a powdery apatite/collagen composite, and (B) an aqueous blending liquid; a paste-like mixture being obtained by blending the powdery agent with the aqueous blending liquid, in such a proportion that the aqueous blending liquid is 15-50 parts by mass per the total amount (100 parts by mass) of the calcium phosphate powder and the powdery apatite/collagen composite, and filled in a predetermined prosthetic site in a human body to form a hardened calcium phosphate/collagen composite. | 02-09-2012 |
| 20120026183 | VISUAL FIELD IMAGE DISPLAY DEVICE FOR EYEGLASSES AND METHOD FOR DISPLAYING VISUAL FIELD IMAGE FOR EYEGLASSES - A visual field image display device for spectacles capable of displaying a retinal image by simulation corresponding to change even in visual line direction. A visual field image display device for spectacles adapted to display a retinal image seen when wearing a progressive-addition lens by simulation includes: an image processing section adapted to create the retinal image by performing a processing of adding blur and distortion to data of an original image in a visual field corresponding to the direction of a visual line of an eye of a person in a state where the person wears the progressive-addition lens, wherein the blur and distortion correspond to a passing point of the visual line on the progressive-addition lens; and a display section adapted to display the retinal image created by the image processing section. | 02-02-2012 |
| 20120024195 | CALCIUM PHOSPHATE CEMENT COMPOSITION AND ITS KIT FOR BONE PROSTHESIS - A calcium phosphate cement composition kit comprising (A) a powdery agent comprising (a) 100 parts by mass of calcium phosphate powder, and (b) 10-50 parts by mass of a powdery foaming agent comprising carbonate or hydrogen carbonate and a solid organic acid or its salt, and (B) an aqueous blending liquid containing a thickener in a concentration of 2.5-12.5% by mass, a paste-like mixture obtained by blending the powdery agent with the aqueous blending liquid being filled in a predetermined prosthetic site in a human body to form a porous calcium phosphate body having porosity of 60% or more. | 02-02-2012 |
| 20120021892 | GLASS FOR USE AS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, SUBSTRATE FOR INFORMATION RECORDING MEDIUM, INFORMATION RECORDING MEDIUM, AND THEIR PRODUCTION METHODS - According to one aspect of the present invention, provided is glass for use in substrate for information recording medium, which comprises, denoted as molar percentages, a total of 70 to 85 percent of SiO | 01-26-2012 |
| 20120021677 | METHOD OF MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC DISK, METHOD OF MANUFACTURING MAGNETIC DISK, AND POLISHING APPARATUS OF GLASS SUBSTRATE FOR MAGNETIC DISK - A method of manufacturing a glass substrate for a magnetic disk having polishing accuracy on an inner circumferential end face of the substrate, and reduced thermal asperities. An inner circumferential end face of a cylindrical polishing object | 01-26-2012 |
| 20120021135 | METHOD OF MANUFACTURING EYEGLASS LENS - An aspect of the present invention relates to a method of manufacturing an eyeglass lens comprising a primer layer and a hardcoat layer in this order on a substrate, which comprises coating a waterborne resin composition in which a resin component is dispersed or dissolved in a water-based solvent on the substrate and then removing the water-based solvent to form the primer layer; and directly coating a hardcoat liquid comprising a curable component and a solvent on the primer layer that has been formed and then conducting a curing process to form the hardcoat layer. An exclusion range including solubility parameter SP1 of the waterborne resin composition is set and a solvent having a solubility parameter outside the exclusion range that has been set is utilized for preparing the hardcoat liquid. | 01-26-2012 |
| 20120020198 | OBJECTIVE LENS AND OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS - An optical information recording/reproducing apparatus for an optical disc using a light beam having a wavelength of λ including: an objective lens that converges the light beam onto a recording surface of the optical disc and satisfies a condition: | 01-26-2012 |
| 20120019916 | MULTILAYER REFLECTIVE FILM COATED SUBSTRATE FOR A REFLECTIVE MASK, REFLECTIVE MASK BLANK, AND METHODS OF MANUFACTURING THE SAME - By forming on a substrate a reference point mark having a concave or convex shape with its side walls being generally upright, even if a multilayer reflective film, an absorber film, and so on are formed over the reference point mark, sufficient contrast for inspection light is obtained so that the position of the reference point mark can be identified with high accuracy. | 01-26-2012 |
| 20120015286 | MASK BLANK SUBSTRATE, MASK BLANK, PHOTOMASK, AND METHODS OF MANUFACTURING THE SAME - A mask blank substrate for a photomask is chucked on a mask stage of an exposure apparatus. A main surface, on the side where a thin film for a transfer pattern is to be formed, of the mask blank substrate has a flatness of 0.3 μm or less in a 142 mm square area including its central portion and has a convex shape being relatively high at its central portion and relatively low at its peripheral portion. The difference upon fitting, to the main surface of the mask blank substrate, a virtual reference main surface, having a spherical shape in a 132 mm square area, of a virtual reference substrate is 40 nm or less. | 01-19-2012 |
| 20120015111 | DYED PLASTIC LENS FABRICATION METHOD - Provided is a process for producing a dyed plastic lens in accordance with which in accordance with which deformation and change in the color of the plastic lens can be suppressed and a plastic lens having a refractive index of 1.7 or greater and, in particular, a refractive index of 1.7 to 1.8, can be preferably dyed uniformly to a great density without unevenness. Specifically, the process for producing a dyed plastic lens comprises: Step (1) of coating a substrate comprising glass with a sublimation dye; Step (2) of, after placing a plastic lens in a manner such that a face for dyeing of the plastic lens and a face of the substrate coated with the sublimation dye face each other, sublimating the sublimation dye coating the substrate obtained in Step (1) by heating the substrate under a degree of vacuum of 1×10 | 01-19-2012 |
| 20120013030 | METHOD FOR PRODUCING PROGRESSIVE POWER EYEGLASS LENS - The present invention provides a method for producing a progressive-addition plastic lens having a prism thinning applied thereto without cutting and polishing. | 01-19-2012 |
| 20120008089 | METHOD OF COMPILING SHAPE DATA OF A SPECTACLE LENS, SPECTACLE LENS SHAPE DATA COMPILING DEVICE AND SPECTACLE LENS - A spectacle lens capable of obtaining a good vision without feeling of discomfort, even being fitted into a frame having a large front angle, and a method of creating the shape data of the spectacle lens having dioptric power to be fitted into a frame having a lens front angle. The method corrects the shape data of a lens back surface so that the prismatic effect undergone via the lens of initial lens shape by a plurality of rays passing through a rotation center of the eye in a case where a lens front angle is provided is identical or close to the prismatic effect undergone via the lens of initial lens shape by the plurality of rays passing through the rotation center of the eye in a case where no lens front angle is provided. | 01-12-2012 |
| 20120008040 | EXPOSURE CONTROL DEVICE AND ELECTRONIC CAMERA HAVING THE SAME - An exposure control device including a control unit configured to set a shutter speed and an aperture using a predetermined program chart based an exposure value calculated through photometry, an ISO sensitivity setting unit configured to set at least one of an upper limit and a lower limit of an ISO sensitivity to be used for photo shooting, and an ISO sensitivity change point determining unit configured to determine a point at which the ISO sensitivity is to be changed on the predetermined program chart. | 01-12-2012 |
| 20120007261 | MOLD AND METHOD FOR PRODUCING PLASTIC LENS | 01-12-2012 |
| 20120002306 | SCREW-MOUNT LENS BARREL - A screw-mount lens barrel includes a screw mount cylinder which is screw-engaged with a screw mount of a camera body, a shift ring which is rotatably supported by the screw mount cylinder to be coaxial therewith, a lens barrel body which supports an optical system and is adjustable relative to the shift ring in a direction orthogonal to an optical axis, and a shift adjustment mechanism for adjusting a position of the lens barrel body relative to the shift ring in directions orthogonal to the optical axis. | 01-05-2012 |
| 20120002299 | HIGH ZOOM-RATIO ZOOM LENS SYSTEM - A high-ratio zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group, and a positive fourth lens group. Upon zooming from the short to long focal length extremities, the lens groups move while increasing the distance between the first and second lens groups, and decreasing the distance between the second and third lens groups. The first lens group includes a negative lens element having a concave surface on the image side, a positive lens element having a convex surface on the object side, and a positive lens element having a convex surface on the object side, in that order from the object side. The following conditions (1) and (2) are satisfied: | 01-05-2012 |
| 20120002298 | HIGH ZOOM-RATIO ZOOM LENS SYSTEM - A high-ratio zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group, and a positive fourth lens group, in that order from the object. Upon zooming from the short focal length extremity to the long focal length extremity, the first through fourth lens groups moving along the optical axis thereof while increasing the distance between the first and second lens groups, and decreasing the distance between the second and third lens groups. The following conditions are satisfied: | 01-05-2012 |
| 20110318674 | PHOTOMASK BLANK, PHOTOMASK, AND METHODS OF MANUFACTURING THE SAME - A photomask blank has a light shieldable film formed on a light transmitting substrate. The light shieldable film has a light shielding layer which is formed of molybdenum silicide metal containing molybdenum in a content greater than 20 atomic % and not greater than 40 atomic % and which has a thickness smaller than 40 nm, an antireflection layer formed on the light shielding layer in contact with the light shielding layer and formed of a molybdenum silicide compound containing at least one of oxygen and nitrogen, and a low reflection layer formed under the light shielding layer in contact with the light shielding layer. | 12-29-2011 |
| 20110313520 | Soft Intraocular Lens And Method Of Manufacturing The Same - There is provided a soft intraocular lens, comprising: an optical lens section | 12-22-2011 |
| 20110308073 | MAGNETIC DISK MANUFACTURING SUPPORT METHOD AND MAGNETIC DISK MANUFACTURING METHOD - A defect inspection is performed for each of glass substrates by a surface defect detector. The distance from the center of the glass substrate to a detected defect, as a radius of a nonmagnetic region to be formed circular, is recorded along with an ID assigned to the glass substrate. Such defect information is recorded in a defect list using a printer or recorded in an RFID tag using an RFID writer. The defect list or the RFID tag is attached to a glass-substrate case. Each glass substrate and its defect information are in one-to-one correspondence and are provided to a customer as a magnetic disk manufacturer. Based on the obtained defect information, the customer manufactures magnetic disks each being a discrete track recording medium having the nonmagnetic region formed at the position where the defect is present. | 12-22-2011 |
| 20110305978 | PHOTOMASK BLANK, PHOTOMASK, AND METHOD OF MANUFACTURING PHOTOMASK BLANK - The present invention provides a photomask blank for producing a photomask to which an ArF excimer laser light is applied, wherein: a thin film having a multilayer structure is provided on a light transmissive substrate; and the uppermost layer of the thin film has an amorphous structure made of a material comprising chromium and at least one of nitrogen, oxygen and carbon. | 12-15-2011 |
| 20110304064 | METHOD OF MANUFACTURING LENS CASTING MOLD - The present invention relates to a method of manufacturing a lens casting mold by introducing a forming mold, with a forming surface on which is positioned a glass material being formed, into a continuous heating furnace and conducting thermal treatment while conveying the forming mold to form an upper surface of the glass material being formed into a shape of a molding surface for forming a surface comprising a progressive surface. The method of manufacturing a lens casting mold of the present invention comprises controlling a temperature of the continuous heating furnace so that the continuous heating furnace comprises a temperature rising region having a temperature distribution such that the temperature rises in a conveyance direction of the forming mold; utilizing a forming mold having a curvature distribution on the forming surface as the forming mold; and conveying the forming mold in the temperature rising region so that a portion with the largest curvature on the forming surface is comprised in a portion on a side of the conveyance direction as divided in two by an imaginary line, the imaginary line running orthogonally to the conveyance direction of the forming mold and passing through a geometric center of the forming surface. | 12-15-2011 |
| 20110299377 | LENS AND OPTICAL PICK-UP - A lens including: a lens body having first and second surfaces; a flange part formed to protrude from a periphery of the lens body and to have a cylindrical outer circumferential surface; a lens installation surface formed at an outer edge part of the flange part; a recessed part formed as a part of the flange part such that a part of the cylindrical outer circumferential surface is recessed toward the optical axis; and a gate root part located at a central part of the recessed part. The gate root part has a flat surface which is in a same level with respect to the lens installation surface. The gate root part lies on an optical axis side with respect to a virtual curved surface formed by extending the cylindrical outer circumferential surface through the recessed part. | 12-08-2011 |
| 20110293139 | METHOD OF AUTOMATICALLY TRACKING AND PHOTOGRAPHING CELESTIAL OBJECTS AND PHOTOGRAPHIC APPARATUS EMPLOYING THIS METHOD - A method of automatically tracking and photographing a celestial object, includes inputting latitude information, photographing azimuth angle information and photographing elevation angle information of a photographic apparatus; inputting star map data of a certain range including data on a location of a celestial object from the latitude information, the photographing azimuth angle information and the photographing elevation angle information; calculating a deviation amount between a location of the celestial object that is imaged in a preliminary image obtained by the photographic apparatus and the location of the celestial object which is defined in the input star map data; correcting at least one of the photographing azimuth angle information and the photographing elevation angle information using the deviation amount; and performing a celestial-object auto-tracking photographing operation based on the corrected at least one of the photographing azimuth angle information and the photographing elevation angle information. | 12-01-2011 |
| 20110292519 | ZOOM LENS SYSTEM - A zoom lens system includes a negative first lens group, a diaphragm, and a positive second lens group. The following conditions (1) and (2) are satisfied: | 12-01-2011 |
| 20110292217 | METHOD OF AUTOMATICALLY TRACKING AND PHOTOGRAPHING CELESTIAL OBJECTS AND PHOTOGRAPHIC APPARATUS EMPLOYING THIS METHOD - A method of automatically tracking and photographing a celestial object, is provided, which moves relative to a photographic apparatus due to diurnal motion so that the celestial object image formed on an image sensor becomes stationary during a celestial-object auto-tracking photographing operation. The method includes inputting photographing azimuth angle and elevation angle information of the photographic apparatus; calculating preliminary-tracking drive control data based on the photographing azimuth angle and elevation angle information; obtaining first and second preliminary images corresponding to commencement and termination points of the preliminary tracking operation; calculating a deviation amount between a celestial object image in the first preliminary image and a corresponding celestial object image in the second preliminary image; calculating, from the deviation amount, actual-tracking drive control data with the deviation amount cancelled; and performing the celestial-object auto-tracking photographing operation based on the actual-tracking drive control data. | 12-01-2011 |
| 20110289970 | PREFORMS FOR PRECISION PRESS MOLDING, OPTICAL ELEMENTS, AND METHODS OF MANUFACTURING THE SAME - Preforms for precision press molding made of optical glass, optical elements, and methods of manufacturing the same are provided. The preforms are suited to precision press molding having a broad range of dispersion characteristics, a low glass transition temperature, a low sag point, and good resistance to devitrification while containing no PbO. The optical element is obtained by precision press molding the preform. One example of the preform has a refractive index (nd) of greater than or equal to 1.7 and an Abbé number (νd) of less than or equal to 32. The other example of the preform has an Abbé number (νd) exceeding 32. | 12-01-2011 |
| 20110288557 | Intraocular Lens Insertion Device - There is provided an intraocular lens insertion device capable of appropriately regulating the motion of a rear supporting portion during a process of moving an intraocular lens, and reducing the possibility of reoperation being required after the intraocular lens is inserted into an eye. An intraocular lens insertion device | 11-24-2011 |
| 20110287922 | FLUOROPHOSPHATE GLASS, GLASS MATERIAL FOR PRESS MOLDING, OPTICAL ELEMENT BLANK, OPTICAL ELEMENT, PROCESSES FOR PRODUCTION OF SAME, AND PROCESS FOR PRODUCTION OF GLASS MOLDINGS - The present invention provide a fluorophosphate glass comprising 3 to 25 cation % of P | 11-24-2011 |
| 20110287347 | THIN FILM EVALUATION METHOD, MASK BLANK, AND TRANSFER MASK - Provided is a thin film evaluation method for a transfer mask which is adapted to be applied with ArF excimer laser exposure light and comprises a thin film formed with a pattern on a transparent substrate. The method includes intermittently irradiating pulsed laser light onto the thin film to thereby evaluate the irradiation durability of the thin film. | 11-24-2011 |
| 20110287346 | MASK BLANK MANUFACTURING METHOD, TRANSFER MASK MANUFACTURING METHOD, MASK BLANK, AND TRANSFER MASK - Provided is a method of manufacturing a mask blank having a thin film on a transparent substrate. The method includes forming the thin film made of a material containing a transition metal on the transparent substrate and applying a superheated steam treatment to the thin film. | 11-24-2011 |
| 20110285855 | METHOD OF AUTOMATICALLY TRACKING AND PHOTOGRAPHING CELESTIAL OBJECTS AND CAMERA EMPLOYING THIS METHOD - A method of automatically tracking and photographing a celestial object so that the celestial object image, which is formed on an imaging surface of an image sensor via a photographing optical system, becomes stationary relative to a predetermined imaging area of the imaging surface of the image sensor during a tracking and photographing operation. The method includes performing a preliminary photographing operation at a predetermined preliminary-photographing exposure time with the photographic apparatus directed toward the celestial object and with a celestial-body auto tracking action suspended to obtain a preliminary image before automatically tracking and photographing the celestial object, calculating a moving direction and a moving speed of the celestial object image from the preliminary image that is obtained by the preliminary photographing operation, and automatically tracking and photographing the celestial object based on the moving direction and the moving speed of the celestial object image. | 11-24-2011 |
| 20110283739 | METHOD FOR MANUFACTURING GLASS BLANK, METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM SUBSTRATE AND METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM - Provided are a method of manufacturing a glass blank, the method including press-molding a molten glass gob under a state in which a separation mark formed on an upper surface of the molten glass gob faces at least one of the molding surface sides of a pair of press molds arranged facing each other in a horizontal direction, when the molten glass gob falls into a space between the pair of press molds, and a method of manufacturing a magnetic recording medium substrate and a method of manufacturing a magnetic recording medium, both using the glass blank. | 11-24-2011 |
| 20110281207 | REFLECTIVE MASK BLANK AND METHOD OF MANUFACTURING A REFLECTIVE MASK - Disclosed is a reflective mask blank ( | 11-17-2011 |
| 20110280115 | TILT ANGLE ADJUSTMENT METHOD FOR OBJECTIVE LENS AND OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS - A method for adjusting a tilt angle of an objective lens with respect to one of a multilayer optical disc having a plurality of recording layers and an optical axis of an optical information recording/reproducing apparatus, wherein a use wavelength λ and a numerical aperture NA are defined by conditions: 390<λ<420 and 0.75| 11-17-2011 | |
| 20110278747 | MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF PLASTIC LENS - The present invention relates to a method of manufacturing a plastic lens comprising discharging a plastic lens starting material liquid from a tip opening of a discharge hole of a mixing and discharging part, the mixing and discharging part comprising a mixing chamber comprising a stirring means that stirs a plastic lens starting material liquid and the discharge hole communicating with the mixing chamber; casting the plastic lens starting material liquid that has been discharged into a casting mold, the casting mold comprising a cavity and a casting hole for introducing the plastic lens starting material into the cavity, and the plastic lens starting material being cast into the casting mold through a tip opening of the casting hole; and polymerizing the plastic lens starting material that has been cast within the casting mold to obtain a polymerized product. Before the plastic lens starting material liquid that has been cast into the casting hole reaches an interior of the cavity, the tip opening of the casting hole and the tip opening of the discharge hole are connected to secure the casting mold, and the secured state is maintained until the cavity is filled with the plastic lens starting material liquid. | 11-17-2011 |
| 20110277508 | MANUFACTURING METHOD OF GLASS BLANK FOR MAGNETIC RECORDING GLASS SUBSTRATE, MANUFACTURING METHOD OF MAGNETIC RECORDING GLASS SUBSTRATE AND MANUFACTURING METHOD OF MAGNETIC RECORDING MEDIUM - Provided is a method of manufacturing a glass blank for a magnetic recording medium glass substrate, including: manufacturing a glass blank by at least press molding a falling molten glass gob with a pair of press molds both so as to face each other in a direction perpendicular to a direction in which the molten glass gob falls, in which: the molten glass gob is formed of a glass material having a glass transition temperature of 600° C. or more; and when the press molding is carried out so that the molten glass gob is completely extended by pressure and molded into a flat glass between press-molding surfaces of the pair of press molds, at least a region in contact with the flat glass in each of the press-molding surfaces of the pair of press molds forms a substantially flat surface. Also provided are a method of manufacturing a magnetic recording medium glass substrate and a method of manufacturing a magnetic recording medium each using the method of manufacturing a glass blank for a magnetic recording medium glass substrate. | 11-17-2011 |
| 20110274826 | METHOD OF MANUFACTURING POLARIZING MEMBER - An embodiment of the present invention relates to a method of manufacturing a polarizing member comprising forming a polarizing film by coating a dichroic dye-containing solution on an orienting layer, preparing an epoxy group-containing silane coupling agent solution by adding an epoxy group-containing silane coupling agent to an aqueous solvent, coating the epoxy group-containing silane coupling agent solution thus prepared on the polarizing film and then conducting thermoprocessing, and determining the time elapsing between the preparation of the epoxy group-containing silane coupling agent solution and the coating thereof based on change in an average molecular weight of the silane coupling agent in the epoxy group-containing silane coupling agent solution. | 11-10-2011 |
| 20110270264 | INTRAOCULAR LENS INSERTING DEVICE - An intraocular lens insertion device for more easily inserting an intraocular lens into the eye. The intraocular lens insertion device ( | 11-03-2011 |
| 20110268874 | METHOD OF MANUFACTURING POLARIZING MEMBER - An aspect of the present invention relates to a method of manufacturing a polarizing member comprising: forming a polarizing film by coating a dichroic dye-containing solution on a substrate; subjecting the polarizing film that has been formed to a treatment to immobilize the dichroic dye in the film; coating a waterborne resin composition containing a resin component and a water-based solvent on the polarizing film after the immobilization treatment, and drying the composition to form a primer layer; and forming a functional film on the primer layer that has been formed; wherein after the immobilization treatment but before the coating of the waterborne resin composition, an article to be coated is subjected to heat treatment. | 11-03-2011 |
| 20110264101 | Intraocular Lens Insertion Device - There is provided an intraocular lens insertion device capable of more easily inserting an intraocular lens into an eye. An intraocular lens insertion device | 10-27-2011 |
| 20110262847 | MASK BLANK PROVIDING SYSTEM, MASK BLANK PROVIDING METHOD, MASK BLANK TRANSPARENT SUBSTRATE MANUFACTURING METHOD, MASK BLANK MANUFACTURING METHOD, AND MASK MANUFACTURING METHOD - A mask blank manufacturing department manufactures a mask blank by forming a thin film to be a mask pattern on a mask blank transparent substrate. When providing the mask blank to a mask manufacturing department, the mask blank manufacturing department provides optical characteristic information (transmittance variation) of the mask blank transparent substrate and optical characteristic information (transmittance variation and/or phase difference variation) of the mask blank to the mask manufacturing department. The optical characteristic information of the mask blank transparent substrate is provided to the mask blank manufacturing department from a materials processing department that manufactures mask blank transparent substrates. | 10-27-2011 |
| 20110262846 | METHODS OF MANUFACTURING A MASK BLANK SUBSTRATE, A MASK BLANK, A PHOTOMASK, AND A SEMICONDUCTOR DEVICE - A before-chucking main surface shape is measured in an actual measurement region of a main surface of a substrate which has been precision-polished and, based on the before-chucking main surface shape of the substrate and a shape of a mask stage ( | 10-27-2011 |
| 20110262636 | METHOD OF MANUFACTURING PLASTIC LENS - The present invention relates to a method of manufacturing a plastic lens comprising forming a resin layer on a surface of a plastic lens substrate. The method of manufacturing a plastic lens of the present invention comprises coating a water-based coating liquid comprising a resin component and a water-based solvent by discharging the water-based coating liquid from a tip of a nozzle onto the surface of the plastic lens substrate being rotated with the surface facing upward, so that a spiral coating path is traced from a perimeter portion to a center portion of the surface as well as so that adjacent coating paths in a radial direction of the surface contact or overlap each other, and forming the resin layer by rotating the plastic lens substrate after the coating with the surface on which the coating liquid has been coated facing upward to remove at least a portion of the water-based solvent comprised in the coating liquid. | 10-27-2011 |
| 20110257002 | OPTICAL GLASS, PREFORM FOR PRECISION PRESS MOLDING, OPTICAL ELEMENT, METHOD FOR MANUFACTURING OPTICAL ELEMENT - The present invention relates to an optical glass with a refractive index nd of 1.89 or higher and an Abbé number v(nu)d of 28 to 36; a preform for precision press molding and an optical element that are comprised of this glass; and a method for manufacturing the optical element. | 10-20-2011 |
| 20110257001 | OPTICAL GLASS, PREFORM FOR PRECISION PRESS MOLDING, OPTICAL ELEMENT, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT - The present invention relates to an optical glass having a refractive index nd of 1.86 or higher and an Abbé number v(nu)d of 28 to 36; a preform for precision press molding and an optical element that are comprised of this glass; and a method for manufacturing the optical element. | 10-20-2011 |
| 20110256473 | MASK BLANK SUBSTRATE SET AND MASK BLANK SET - A substrate set is a mask blank substrate set including a plurality of substrates each for use in a mask blank for producing a photomask to be chucked on a mask stage of an exposure apparatus. In each of the substrates in the mask blank substrate set, a main surface, on the side where a thin film for forming a transfer pattern is to be formed, has a convex shape being relatively high at its center and relatively low at its peripheral portion. In each substrate, the flatness in a 142 mm square area, including a central portion, of the main surface is 0.3 μm or less and the difference upon fitting to a reference main surface of a reference substrate is 40 nm or less. | 10-20-2011 |
| 20110255178 | LENS FOR OPTICAL PICK-UP AND OPTICAL PICK-UP FOR OPTICAL DISC DRIVE - A lens for an optical pick-up formed by injection molding, the lens including a lens body having a first surface on an optical disc side and a second surface on a light source side, and a flange part formed to protrude from a periphery of the lens body outward in a radial direction of the lens body, and wherein a part of the flange part has been cut off along a cylindrical outer circumferential surface of the flange part to remove a gate part of the lens, and when D denotes a cutting depth of the flange part, R denotes a radius of the lens and W | 10-20-2011 |
| 20110250529 | PHOTOMASK BLANK, PHOTOMASK, AND METHODS OF MANUFACTURING THE SAME - A photomask blank is for manufacturing a phase shift mask having a light-transmitting substrate provided with a phase shift portion adapted to give a predetermined phase difference to transmitted exposure light. The phase shift portion is a dug-down part that is dug down from a surface of the light-transmitting substrate to a digging depth adapted to produce the predetermined phase difference with respect to exposure light transmitted through the light-transmitting substrate at a portion where the phase shift portion is not provided. The photomask blank includes, on the digging-side surface of the light-transmitting substrate, an etching mask film that is made of a material being dry-etchable with a chlorine-based gas, but not dry-etchable with a fluorine-based gas, and serves as an etching mask at least until, when forming the dug-down part by dry etching, the dry etching reaches the digging depth. The photomask blank further includes, on a surface of the etching mask film, a light-shielding film that is made of a material mainly containing tantalum and has a thickness so as to be removable during the dry etching for forming the dug-down part of the light-transmitting substrate. | 10-13-2011 |
| 20110245063 | OPTICAL GLASS, PREFORM FOR PRECISION PRESS MOLDING, OPTICAL ELEMENT, METHODS FOR MANUFACTURING THE SAME, AND IMAGE PICKUP DEVICE - The present invention relates to an optical glass, a preform for precision press molding, methods for manufacturing the same, and an image pickup device. The optical glass of the present invention not only has a high refractive index, a high dispersion property, and good precision press moldability, but also has good stability with respect to devitrification when reheated (referred to as “devitrification stability upon reheating”), and is an optical glass with a good partial dispersion ratio (Pg, F). | 10-06-2011 |
| 20110244375 | MASK BLANK, TRANSFER MASK, METHODS OF MANUFACTURING THE SAME AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE - In a mask blank for manufacturing a transfer mask, the mask blank has a light-shielding film on a transparent substrate. The light-shielding film is made of a material containing tantalum as a main metal component and includes a highly oxidized layer which has an oxygen content of 60 at % or more and which is formed as a surface layer of the light-shielding film. The highly oxidized layer is placed on a side opposite to a transparent substrate side. | 10-06-2011 |
| 20110244373 | MASK BLANK, TRANSFER MASK, AND METHODS OF MANUFACTURING THE SAME - In a mask blank for manufacturing a transfer mask adapted to exposure light having a wavelength of 200 nm or less, the mask blank has a light-shielding film on a transparent substrate. The light-shielding film is made of a material containing tantalum as a main metal component and includes a highly oxidized layer which has an oxygen content of 60 at % or more and which is formed as a surface layer of the light-shielding film, that is placed on a side opposite to a transparent substrate side. | 10-06-2011 |
| 20110235496 | OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS AND OBJECTIVE LENS FOR THE SAME - An objective lens for an optical information recording/reproducing apparatus, at least one of optical surfaces of the objective lens comprising a diffraction surface having a diffraction structure defined by an optical path difference function, and wherein: the diffraction surface has a first region contributing to converging first and second light beams and having a diffraction structure configured such that diffraction orders at which the diffraction efficiencies are maximized for the first and second light beams are 1 | 09-29-2011 |
| 20110229807 | PHOTOMASK BLANK, PHOTOMASK, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE - [Object] A photomask blank for use in producing a photomask for exposure with an ArF excimer laser. The photomask blank is intended to be applied to the 32-nm DRAM half-pitch (hp) and succeeding generations in the semiconductor design rule. | 09-22-2011 |
| 20110228664 | OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS AND OBJECTIVE OPTICAL SYSTEM FOR THE SAME - An objective optical system for information recording/reproducing, at least one of optical surfaces of the objective optical system comprising a diffraction surface including a first region contributing to converging first, second and third beams and including a diffraction structure formed such that use diffraction orders for the first, second and third beams are 1st-orders and a condition 0.03<(λB | 09-22-2011 |
| 20110222755 | DEVICE, METHOD AND COMPUTER READABLE MEDIUM FOR EVALUATING SHAPE OF OPTICAL ELEMENT - A method for evaluating a shape of an optical element, including: executing polynomial approximation to obtain a deviation shape of a testing surface of an optical element with respect to an ideal surface; calculating an evaluation shape by extracting a rotationally symmetric irregularity component of the deviation shape from a result of the polynomial approximation; adding a 2 | 09-15-2011 |
| 20110220837 | SOLVENT-DISPERSIBLE PARTICLE - A solvent-dispersible particle including, a nanoparticle including two or more metallic components, and surface modifiers for covering the surface of the nanoparticle. The surface modifier includes, within its one molecule, two or more functional groups interacting with the two or more metallic components in the nanoparticle, respectively, and one or more functional groups having affinity for a solvent in which the nanoparticle is dispersed. | 09-15-2011 |
| 20110217635 | METHOD OF MANUFACTURING TRANSFER MASK AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - The present invention is a method of manufacturing a transfer mask with use of a mask blank in which a thin film for pattern formation and a chromium-based thin film made of a material containing chromium are stacked on a transparent substrate in this order. The thin film for pattern formation is made of material containing silicon and a transition metal other than chromium. The chromium-based thin film is made of a material containing chromium. Exposure light having a wavelength of 200 nm or less is applied to the transfer mask. In the manufacturing method, the transfer mask is produced by performing, in the following order, a process of forming a resist film having a transfer pattern on the chromium-based thin film, a process of forming a transfer pattern in the chromium-based thin film with use of a mask of the resist film having the transfer pattern, a process of forming a transfer pattern in the thin film for pattern formation with use of a mask of the chromium-based thin film having the transfer pattern, and a process of removing the chromium-based thin film by etching. The manufacturing method further includes a cleaning process of at least one of alkali solution cleaning, hot water cleaning, and ozone-containing water cleaning on the produced transfer mask until a width of the transfer pattern of the thin film for pattern formation is reduced by 4 nm or a space width of the thin film for pattern formation is increased by 4 nm. | 09-08-2011 |
| 20110217634 | MULTILAYER REFLECTIVE FILM COATED SUBSTRATE, REFLECTIVE MASK BLANK, AND METHOD OF MANUFACTURING A REFLECTIVE MASK - Provided is a reflective mask blank, wherein even if inspection light for defect inspection is irradiated onto an uppermost surface of a multilayer reflective film or of an absorber film formed over a reference point mark, sufficient contrast is obtained between a position of the reference point mark and its peripheral portion so that the position of the reference point mark can be identified with high accuracy. By forming a reference point mark ( | 09-08-2011 |
| 20110217633 | REFLECTIVE MASK BLANK AND METHOD OF MANUFACTURING A REFLECTIVE MASK - Provided are a reflective mask blank and a reflective mask which are capable of improving the contrast for inspection light having a wavelength of 200 nm or less in an inspection, capable of improving the contrast for exposure light in use of the mask, and capable of forming a high-resolution fine pattern. A reflective mask blank | 09-08-2011 |
| 20110216424 | HIGH ZOOM-RATIO ZOOM LENS SYSTEM - A high zoom-ratio zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group, and a positive fourth lens group, in that order from the object side. Upon zooming from the short to long focal length extremities, at least the first through third lens groups are moved along the optical axis direction, wherein an amount of movement of the first lens group is greater than that of the third lens group. The following conditions (1), (2) and (3) are satisfied: | 09-08-2011 |
| 20110216423 | HIGH ZOOM-RATIO ZOOM LENS SYSTEM - A high zoom-ratio zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group, and a positive fourth lens group, in that order from the object side, wherein upon zooming from the short to the long focal length extremities, the first through fourth lens groups are moved along the optical axis direction, wherein an amount of movement of the first lens group is greater than that of the third lens group. The following conditions (1) and (2) are satisfied: | 09-08-2011 |
| 20110215489 | LENS FORMING METAL MOLD, LENS FORMING METHOD, LENS, AND PICKUP DEVICE - A lens forming metal mold comprising: a first metal mold portion that forms a first lens surface of a lens; and a second metal mold portion that forms a second lens surface of the lens. An air vent groove is formed on at least one contacting surface of a contacting surface of the first metal mold portion contacting with the second metal mold portion and a contacting surface of the second metal mold portion contacting with the first metal mold portion. A convex surface serving to form a concaved portion on the lens for accommodating a burr caused by the air vent groove is formed at least around the air vent groove on an outer circumference forming surface of the at least one contacting surface on which the air vent groove is formed, the outer circumference forming surface serving to from a tubular surface of the lens. | 09-08-2011 |
| 20110215488 | LENS FORMING METAL MOLD, LENS FORMING METHOD AND PICKUP DEVICE - A metal mold including: a first inner metal mold which forms a first lens surface and a first flat surface portion of a lens; a first outer metal mold which forms a second flat surface portion; a second inner metal mold which forms a second lens surface and a third flat surface portion; and a second outer metal mold which forms a fourth flat surface portion, and wherein a first protruded portion which forms a first concaved portion on the lens is formed all around an outer periphery of the first inner metal mold, the first concaved portion serving as clearance for a burr, and a second protruded portion which forms a second concaved portion on the lens is formed all around an outer periphery of the second inner metal mold, the second concaved portion serving as clearance for a burr. | 09-08-2011 |
| 20110212392 | PHOTOMASK BLANK, PHOTOMASK, AND METHODS OF MANUFACTURING THE SAME - A photomask blank is for use in manufacturing a photomask to be applied with exposure light having a wavelength of 200 nm or less. The photomask blank has a light-transmitting substrate and a light-shielding film formed thereon. The light-shielding film has a light-shielding layer containing a transition metal and silicon and a front-surface antireflection layer formed contiguously on the light-shielding layer and made of a material containing at least one of oxygen and nitrogen. The light-shielding film has a front-surface reflectance of a predetermined value or less for the exposure light and has a property capable of controlling the change width of the front-surface reflectance at the exposure wavelength to be within 2% when the thickness of the front-surface antireflection layer changes in the range of 2 nm. The material of the front-surface antireflection layer having a refractive index n and an extinction coefficient k capable of achieving such property is selected. | 09-01-2011 |
| 20110211264 | ZOOM LENS SYSTEM - A zoom lens system includes a negative first lens group, a positive second lens group, and a positive third lens group. The second lens group includes a positive lens element, and two negative lens elements. The following conditions (1) and (2) are satisfied: | 09-01-2011 |
| 20110207032 | OPTICALLY SEMITRANSMISSIVE FILM, PHOTOMASK BLANK AND PHOTOMASK, AND METHOD FOR DESIGNING OPTICALLY SEMITRANSMISSIVE FILM - The present invention provides an optically semitransmissive film that has a near-zero phase shift, has a desired transmissivity, and is relatively thin; a novel phase-shift mask that uses the optically semitransmissive film; a photomask blank that can [be used to] manufacture the phase-shift mask; and a method for designing the optically semitransmissive film. The film is formed on a translucent substrate and transmits a portion of light having a desired wavelength λ, wherein the film has at least one phase-difference reduction layer that fulfills the following functions. Specifically, the phase-difference reduction layer is a layer that has a refractive index n and a thickness d that satisfy the expression 0| 08-25-2011 | |
| 20110204028 | METHOD OF MANUFACTURING A GLASS SUBSTRATE FOR A MAGNETIC DISK - A method for manufacturing a glass substrate for a magnetic disk comprises a surface grinding step of processing a mirror-surface plate glass, having a main surface in the form of a mirror surface, to a required flatness and surface roughness using fixed abrasive particles. The method comprises, before the surface grinding step using the fixed abrasive particles, a surface roughening step of roughening the surface of the mirror-surface plate glass by frosting. | 08-25-2011 |
| 20110203519 | METHOD AND APPARATUS FOR FORMING OPTICAL FILM, AND OPTICAL ARTICLE - An apparatus for forming an optical film on an optical substrate is provided. The apparatus may include a rotatable jig for fixedly holding the optical substrate, an apparatus for rotating the jig, and a nozzle for dispensing a coating solution containing an optical-film-forming component onto the optical substrate. A rotation speed of the jig may be 8,000 rpm or more, and a deviation of rotation axis of the jig may be 50 μm or less. | 08-25-2011 |
| 20110200315 | FOCUS-POINT SELECTION SYSTEM, AUTOFOCUS SYSTEM, AND CAMERA - A focus-point selection system comprising an image sensor, a target detector, a location detector, and a first selector is provided. The focus-point selection system selects a subset of focus points corresponding to the location of a target in an image capturing area from a plurality of focus points positioned at predetermined locations. The target is a subject that is brought into focus according to a phase-difference autofocus method. The image sensor generates an image signal corresponding to the captured optical image. The target detector detects the target on the basis of the image signal. The location detector detects a subject location. The subject location is a location of the target detected by the target detector in the image capturing area. The first selector selects the focus point with the shortest distance from the subject location. | 08-18-2011 |
| 20110199573 | PROGRESSIVE-ADDITION LENS, METHOD FOR PREPARING SHAPE DATA THEREOF, METHOD FOR MANUFACTURING THE LENS, AND APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PREPARING SUCH SHAPE DATA - In a progressive-addition lens having a progressive surface on one side and an aspherical or atoroidal surface on the other side, the lens shape is designed so that a high degree of aberration correction can be carried out on the periphery of the lens and the distance power and addition power of the lens acting on the eye of a wearer substantially correspond to the distance power and addition power measured by a lens meter. A progressive-addition lens includes a progressive surface and an aspherically designed surface formed of an aspherical or atoroidal surface, and the reference point of the aspherically designed surface is located in the vertical direction of the lens below a prism reference point of the progressive surface and above a near design reference point. | 08-18-2011 |
| 20110199111 | CONTACTING COMPONENT, METHOD OF PRODUCING THE SAME, AND TEST TOOL HAVING THE CONTACTING COMPONENT - A contacting component has a probe contact formed by plating and adapted to be contacted with a target portion. The contacting component includes an insulating substrate, a conductive circuit formed on one surface of the insulating substrate, and the probe contact is made of a conductive material and formed on the other surface of the insulating substrate. The conductive circuit and the probe contact are electrically connected in a through hole penetrating the insulating substrate. The probe contact includes a bump contact of a convex shape, the bump contact is formed by plating and having a surface which has a shape of a semispherical protrusion to be contacted with the target portion. The bump contact is made of a material containing a metal and carbon, the content of carbon falling within a range between 0.2 at % and 1.2 at %, both inclusive. | 08-18-2011 |
| 20110194190 | ZOOM LENS SYSTEM AND ELECTRONIC IMAGING APPARATUS THAT USES THE SAME - A zoom lens system includes a negative first lens group, a positive second lens group, and a positive third lens group, in this order from the object. | 08-11-2011 |
| 20110194067 | SPECTACLE LENS EVALUATING METHOD, SPECTACLE LENS DESIGNING METHOD USING SAME, SPECTACLE LENS MANUFACTURING METHOD, SPECTACLE LENS MANUFACTURING SYSTEM, AND SPECTACLE LENS - More appropriate evaluation, design, and manufacture are made feasible by taking visual functions into consideration more appropriately. In order to achieve this object, in the present invention, provided is a spectacle lens evaluation method for evaluating spectacle lenses using a visual acuity function, characterized in that the visual acuity function includes relative accommodation power as a factor, the relative accommodation power referring to the range expressed in terms of diopter in which distinct vision is achieved while maintaining convergence of a gaze point. | 08-11-2011 |
| 20110189595 | METHOD OF MANUFACTURING A SUBSTRATE FOR A MASK BLANK, METHOD OF MANUFACTURING A MASK BLANK, METHOD OF MANUFACTURING A TRANSFER MASK , AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE - In a simulation step, based on information of a main surface shape of a transparent substrate and shape information of a mask stage of an exposure apparatus and using a deflection differential equation taking into account a twist deformation, height information at a plurality of measurement points is obtained by simulating a state where the transparent substrate is set in the exposure apparatus. Based on the height information obtained through the simulation, a flatness of the transparent substrate when it is set in the exposure apparatus is calculated in a flatness calculation step. Then, by judging in a selection step whether or not the calculated flatness satisfies a specification, the transparent substrate whose flatness satisfies the specification is used as a substrate for a mask blank. | 08-04-2011 |
| 20110188128 | ZOOM LENS SYSTEM - A zoom lens system includes a negative first lens group, a positive second and third lens groups, wherein distances between the lens groups change during zooming from the short to long focal length extremities. The following conditions (1) and (2) are satisfied: | 08-04-2011 |
| 20110183240 | MASK BLANK, MASK BLANK MANUFACTURING METHOD, TRANSFER MASK, AND TRANSFER MASK MANUFACTURING METHOD - According to certain embodiments, a mask blank for an electron beam writing is provided, capable of forming a resist pattern of a 3-dimensional topology through an one-time writing. The mask blank includes a substrate, a thin film formed on the substrate, and an electron beam resist film formed on the thin film. The electron beam resist film is made of a laminated film including at least a lower resist film and an upper resist film. The lower resist film and the upper resist film have different resist sensitivities with respect to an electron beam. | 07-28-2011 |
| 20110181768 | IMAGE PICKUP APPARATUS - An image pickup apparatus includes an image sensor and a photographing optical system. An imaging surface of the image sensor includes an effective light-receiving area having a rectangular shape that is defined by short sides and long sides. An optical surface of a lens that is provided closest to the image plane within the photographing optical system and which possesses an imaging function has a non-circular shape in a front elevational view. A boundary of the non-circular optical surface of the lens that is provided closest to the image plane includes two pairs of mutually parallel sides so that, when the lens that is provided closest to the image plane is rotated about the optical axis relative to the imaging surface, an image area formed by the non-circular optical surface covers the rectangular effective light-receiving area of the imaging surface before and after rotation. | 07-28-2011 |
| 20110177436 | MASK BLANK AND METHOD OF MANUFACTURING A TRANSFER MASK - A mask blank includes a transparent substrate and a light-shielding film formed on the transparent substrate. The light-shielding film is made of a material composed mainly of a metal that is dry-etchable with a chlorine-based gas. A resist film is used to form a transfer pattern in the light-shielding film. An etching mask film is formed on an upper surface of the light-shielding film and is made of a material containing a transition metal, silicon, and at least one of nitrogen and oxygen. A content ratio of the transition metal to a total of the transition metal and the silicon in the etching mask film is less than 9%. | 07-21-2011 |
| 20110176192 | SCANNING OPTICAL DEVICE - A scanning optical device includes at least one light source unit for emitting a light beam, a first deflector for deflecting the emitted light beam in an auxiliary scanning direction, a condensing optical system for generating an intermediate image of the light beam deflected by the first deflector, a collecting optical system for condensing a light beam diverged from the generated intermediate image, a second deflector for deflecting the condensed light beam in a main-scanning direction, and a scanning optical system for scanning the surface to be scanned with the light beam deflected by the second deflector. The condensing optical system has an f-θ characteristic, the collecting optical system has an f-sin θ characteristic, and the scanning optical system has an f-sin θ characteristic. | 07-21-2011 |
| 20110176191 | SCANNING OPTICAL DEVICE - A scanning optical device that scans a light beam through a relay optical system, the relay optical system comprising: front group lenses arranged at a light source side; rear group lenses arranged at a side of a surface to be scanned; and first and second minors arranged between the front group lenses and the rear group lenses and supported by a common supporting member, wherein a normal vector of a minor surface of the first minor makes an angle (180−ω) with an incident optical axis from the front group lenses, a normal vector of the second minor makes an angle α (α≠180×m) with the normal vector of the first minor, and the supporting member includes a mechanism being linearly movable in a direction which makes an angle (ω−α+90) with the normal vector of the first mirror. | 07-21-2011 |
| 20110176104 | METHOD OF MANUFACTURING EYEGLASS LENS - An aspect of the present invention relates to a method of manufacturing an eyeglass lens of multilayered structure having plural films including a polarizing film. | 07-21-2011 |
| 20110171568 | MASK BLANK SUBSTRATE - Provided is a mask blank substrate that can reduce the change in flatness of a main surface thereof before and after chucking to make very small the position offset caused by a photomask and that can significantly reduce the difference in tendency of substrate deformation before and after chucking between photomasks. In a mask blank substrate having two main surfaces and four end faces, a central point is set on the main surface, a first axis of symmetry that passes through the central point and that is parallel to one of the end faces and a second axis of symmetry that passes through the central point and that is perpendicular to the first axis of symmetry are respectively set, measurement points are set in the form of a grid with respect to the first axis of symmetry and the second axis of symmetry so as to measure heights of the main surface from a reference plane at the measurement points, respectively, differences each between measured height values at those measurement points located at positions that are axisymmetric with respect to the first axis of symmetry are calculated, and those differences corresponding to at least 95% of the total number of the calculated differences between the measured height values are within a predetermined value. | 07-14-2011 |
| 20110171567 | PHASE SHIFT MASK BLANK, PHASE SHIFT MASK, AND METHOD FOR MANUFACTURING PHASE SHIFT MASK BLANK - Problem: There is a demand for a phase shift mask that makes it possible to decrease the film thickness of the phase shift film, can satisfy the requirement relating to pattern accuracy, without collapsing the OPC pattern, and enables control of optical characteristics and pattern defect inspection, and also for a phase shift mask blank as an original plate for such a phase shift mask. | 07-14-2011 |
| 20110171492 | MAGNETIC DISK AND METHOD OF MANUFACTURING THE SAME - In a magnetic disk including a magnetic layer, a protecting layer and a lubricating layer on a substrate, the lubricating layer is formed by a self assembly monolayer. A material of the self assembly monolayer is a hydrocarbon-based silane agent or a partial fluorinated hydrocarbon-based silane agent. The magnetic layer and the protecting layer (P) are sequentially formed on the substrate, and then the substrate on which the magnetic layer and the protecting layer (P) are formed is immersed in a solution containing the hydrocarbon-based silane agent or the partial fluorinated hydrocarbon-based silane agent, and thus a lubricating layer (L) is formed on the protecting layer (P). | 07-14-2011 |
| 20110171415 | GLASS SUBSTRATE FOR A MAGNETIC DISK AND MAGNETIC DISK - Provided are a magnetic disk substrate and a method of manufacturing the same, wherein the magnetic disk substrate has very few defects present on its surface with an arithmetic mean roughness (Ra) at a level in the vicinity of 0.1 nm and thus is suitable as a substrate for a magnetic disk with high recording density. The magnetic disk glass substrate is such that the arithmetic mean roughness (Ra) of the main surface of the glass substrate measured using an atomic force microscope with a resolution of 256×256 pixels in a 2 μm×2 μm square is 0.12 nm or less and the number of defects detected to have a size of 0.1 μm to 0.6 μm in plan view and a depth of 0.5 nm to 2 nm is less than 10 per 24 cm | 07-14-2011 |
| 20110170847 | FOCUS DETECTION OPTICAL SYSTEM - A focus detection optical system includes a condenser lens positioned behind an expected image plane of a photographing lens, an auxiliary lens positioned behind the condenser lens, and a separator lens including a pair of lenses behind the auxiliary lens. An object image formed on the expected image plane is divided into two images by the pair of lenses and reformed on a pair of areas on a sensor. The auxiliary lens is a plastic lens having a negative refractive power. The separator lens is a glass lens or a hybrid lens consisting of a glass substrate and a plastic lens having a curved surface which is layered onto the glass substrate, and the focus detection optical system satisfies the following condition (1): | 07-14-2011 |
| 20110165824 | GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a method for manufacturing a glass substrate for an information recording medium having a high level of cleanness and superior smoothness. The manufacturing method includes a step for washing a disk-shaped glass plate with an acid washing liquid, a step for removing at least part of a surface layer, which is formed on the surface of the glass plate, by performing grinding with diamond abrasion grains, and a step for washing the surface with a neutral or alkaline washing liquid. | 07-07-2011 |
| 20110165439 | METHOD OF MANUFACTURING A GLASS SUBSTRATE FOR A MAGNETIC DISK, GLASS SUBSTRATE FOR A MAGNETIC DISK, METHOD OF MANUFACTURING A MAGNETIC DISK, AND MAGNETIC DISK - Provided is a method of manufacturing a magnetic disk glass substrate, wherein, in a main surface polishing process, main surface polishing is applied to one of main surfaces of a glass substrate so that the one main surface has a predetermined arithmetic mean roughness, and main surface polishing is applied to the other main surface of the glass substrate so that the other main surface has a roughness which is higher than the arithmetic mean roughness (Ra) of the one main surface and which is low enough to prevent a component forming the magnetic disk glass substrate from being eluted from the other main surface. | 07-07-2011 |
| 20110163466 | METHOD OF MANUFACTURING LENS CASTING MOLD AND METHOD OF MANUFACTURING EYEGLASS LENS - The present invention relates to a method of manufacturing a lens casting mold in which an upper surface of a glass material being formed is formed into a shape of a molding surface for forming a surface comprising a progressive surface or a progressive element by using a continuous heating furnace. As the forming mold, a forming mold having a curvature distribution on the forming surface is utilized. In one aspect, a temperature of the continuous heating furnace is controlled so that the continuous heating furnace comprises a temperature rising region having a temperature distribution such that the temperature rises in a conveyance direction of the forming mold, and a separation distance between the forming surface of the forming mold and a lower surface of the glass material being formed is specified in two or more spots before introduction to the continuous heating furnace. The forming mold is conveyed in the temperature rising region so that a portion with the greatest separation distance among the specified separation distances is comprised in a portion on a side of the conveyance direction as divided in two by a virtual line, the virtual line running orthogonally to the conveyance direction of the forming mold and passing through a geometric center of the forming surface. In another aspect, a forming mold position control region is provided in the continuous heating furnace, a temperature is directly or indirectly measured at multiple measurement points on the forming surface in the forming mold position control region, and the forming mold is conveyed so that a portion on the forming surface of greatest curvature is present in a high temperature portion that has been determined based on the measurement result. A virtual line A passing through a geometric center and a maximum temperature point among the multiple measurement points is specified, and then a portion containing the maximum temperature point as divided in two by a virtual line B running orthogonally to the virtual line A and passing through the geometric center is determined as the high temperature portion. | 07-07-2011 |
| 20110159322 | GLASS FOR CHEMICAL STRENGTHENING, SUBSTRATE FOR INFORMATION RECORDING MEDIA AND INFORMATION RECORDING MEDIA - A glass for use in chemical reinforcement for use in a substrate of an information recording medium, having a composition comprising, denoted as mol %: | 06-30-2011 |
| 20110159321 | GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD THEREOF - The present invention provides a method for efficiently manufacturing a glass substrate for magnetic disk having good accuracy of a surface irregularity and an impact resistance. The method includes the steps of: performing press forming to molten glass to prepare a sheet glass material, the sheet glass material having a roughness of the principal surface of 0.01 μm or less and target flatness of a glass substrate for magnetic disk; chemically strengthening the sheet glass material by dipping the sheet glass material in a chemically strengthening salt, thereby preparing a disk substrate; polishing the principal surfaces of the disk substrate. A thickness of the sheet glass material prepared in the press forming step is larger than a target thickness of the glass substrate for magnetic disk by a polishing quantity of the principal surface polishing step. | 06-30-2011 |
| 20110159320 | GLASS SUBSTRATE FOR MAGNETIC DISK AND MANUFACTURING METHOD THEREOF - The present invention provides a glass substrate for magnetic disk in which surface irregularity of a principal surface is suppressed and a method for efficiently manufacturing a glass substrate for magnetic disk. The method includes the steps of: forming a sheet glass material by performing press forming to molten glass, a principal surface of the sheet glass material having target flatness for the glass substrate for magnetic disk, the sheet glass material having a surface shape to be ground using a grinding abrasive grain; grinding the sheet glass material using a fixed abrasive grain; and polishing the sheet glass material using a loose abrasive grain, the sheet glass material having surface irregularity of the principal surface ground using the fixed abrasive grain. | 06-30-2011 |
| 20110158632 | MIRROR BRAKE MECHANISM OF AN SLR CAMERA - A mirror brake mechanism of an SLR camera for applying a brake to a mirror pivoted about a mirror rotational shaft to be swingable between a viewing position and a retracted position. The mirror brake mechanism includes a brake shaft which is independent of the mirror rotational shaft and positionally aligned along an extension line of the mirror rotational shaft; an interlocking rotating member disposed on one of laterally opposite sides of the mirror and rotatable about the brake shaft; a mirror drive shaft which connects a mirror seat, on which the mirror is mounted, and the interlocking rotating member to each other in a rotational direction about the mirror drive shaft; a brake drum which rotates in association with the interlocking rotating member; and a mirror brake member which is brought into contact with and disengaged from the brake drum. | 06-30-2011 |
| 20110158631 | MIRROR DRIVE APPARATUS INCORPORATING A BRAKE MECHANISM OF AN SLR CAMERA - A mirror drive apparatus incorporating a brake mechanism of an SLR camera includes a mirror pivoted about a mirror rotational shaft and swingable between a viewing position and a retracted position, wherein the mirror is biased to swing from the viewing position to the retracted position; a brake drum which rotates in association with a swing movement of the mirror; a mirror brake member including a brake shoe which is brought into contact with and disengaged from the brake drum; a mirror control cam driven by a motor to return the mirror, which is biased to swing from the viewing position to the retracted position, to the viewing position from the retracted position; and a brake lever control mechanism which makes the brake shoe contact the brake drum and moves the brake shoe off the brake drum by a rotating operation of the mirror control cam. | 06-30-2011 |
| 20110157454 | IMAGE SENSOR AND IMAGING APPARATUS - An imaging sensor comprising a plurality of pixels is provided. Each pixel comprises photoelectric converters and optical members. The optical member covers the photoelectric converter. Light toward the photoelectric converter passes through the optical member. The pixels are arranged in two dimensions on a light-receiving area. At least a part of the light-receiving area comprises an area of irregularity. First and second pixels are arranged irregularly in the area of irregularity. Distances between the photoelectric converter and a far-side surface of the optical member are first and second distances in the first and second pixels, respectively. The far-side surface is an opposite surface of a near-side surface. The near-side surface of the optical member faces the photoelectric converter. The second distance is shorter than the first distance. | 06-30-2011 |
| 20110151383 | METHOD OF MANUFACTURING OPTICAL ELEMENT, AND OPTICAL ELEMENT - A manufacturing method of an optical element is provided, the optical element comprising: a shield part formed by a light shielding film formed and patterned on a substrate; a light transmission part formed by partially exposing a surface of the substrate; and a phase shifter part formed by partially etching the surface of the substrate, the method comprising the steps of: preparing an optical element blank with the light shielding film and a first resist film laminated on the substrate in this order; and forming a first resist pattern by applying drawing and development to the first resist film, covering a formation scheduled area of the shield part, and demarcating the formation scheduled area of the phase shifter part. | 06-23-2011 |
| 20110149712 | OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS AND OBJECTIVE LENS FOR THE SAME - An objective lens including: a first region to respectively converge first and second light beams onto recording surfaces of first and second optical discs; and a second region located outside of the first region and configured to converge the first light beam onto the recording surface of the first optical disc and not to converge the second light beam onto the recording surface of each of the first and second optical discs, and wherein the first region is divided into a plurality of refractive surface zones concentrically formed about an optical axis and has a first step, a diffraction order at which a diffraction efficiency is maximized for each of the first and second light beams passing through the first step in the first region is a first order, and the objective lens satisfies a condition: | 06-23-2011 |
| 20110143907 | OPTICAL GLASS, PREFORM FOR PRECISION PRESS MOLDING, AND OPTICAL ELEMENT - The present invention relates to an optical glass with a high refractive index and good precision press moldability, and a preform for precision press molding and an optical element that are comprised of the optical glass. The present invention further relates to a method of manufacturing an optical element, a lens unit being equipped with an optical element and an image pickup device being equipped with a lens unit. | 06-16-2011 |
| 20110141566 | POSITION CONTROLLER FOR OPTICAL ELEMENT - A position controller for an optical element of an optical system includes a first movable member supported by a support member to be movable relative thereto in a first direction orthogonal to an optical axis, a second movable member which holds the optical element and is supported by the first movable member to be movable relative thereto in a second direction which is nonparallel to the first direction, an electromagnetic actuator that produces a driving force for moving at least the second movable member in the second direction, and an insertion/removal drive mechanism for moving the second movable member between an anti-shake driving position, at which a position control for the second movable member can be performed using the electromagnetic actuator, and a removed position at which the second movable member is positioned outside a range of the position control that uses the electromagnetic actuator. | 06-16-2011 |
| 20110141565 | POSITION CONTROLLER FOR OPTICAL ELEMENT - A position controller includes a movable member which holds the optical element and supported by a support member to be linearly movable from an anti-shake driving range in which the optical element is positioned on an optical axis to a removed position outside of the anti-shake driving range, an electromagnetic actuator including first and second coils supported by the support member and first and second magnets supported by the movable member, and an insertion/removal operational member. When the movable member is in the anti-shake driving range, the first and second magnets face the first and second coils, respectively. The first and second magnets are arranged on opposite sides of a removing-direction center line passing through a center of the optical element in a moving direction of the movable member so that a distance between magnetic-pole boundary lines of the first and second magnets increases toward the anti-shake driving position. | 06-16-2011 |
| 20110138635 | CUTTING TOOL - [Problems to be Solved] The object is to form incisions with improved uniform depth and shape in a coating film formed on an object having a curved surface with a plurality of curvatures or a free-form curved surface. | 06-16-2011 |
| 20110134528 | POSITION CONTROLLER FOR OPTICAL ELEMENT - A position controller for an optical element includes a movable member and is supported by a support member to be movable from an anti-shake driving range to a removed position, an image-shake correction driver, and an insertion/removal operational member. The insertion/removal operational member includes a first press portion which presses the movable member from the anti-shake driving range to the removed position by the insertion/removal operational member moving from an insertion position to the removed holding position, a second press portion which presses the movable member to the anti-shake driving range by the insertion/removal operational member moving from the removed holding position to the insertion position, and a displacement prevention portion which allows the movable member to move within the anti-shake driving range and prevents the movable member from moving beyond the anti-shake driving range when the insertion/removal operational member is in the insertion position. | 06-09-2011 |
| 20110133352 | METHOD OF MANUFACTURING LENS CASTING MOLD - The present invention relates to a method of manufacturing a lens casting mold by introducing a forming mold, with a forming surface on which a glass material being formed is positioned, into a continuous heating furnace and conducting thermal treatment while conveying the forming mold in the furnace to form an upper surface of the glass material being formed into a shape of a molding surface for forming a lens optical surface. The method of manufacturing a lens casting mold of the present invention comprises rotating the forming mold to a right and/or to a left relative to a direction of conveyance of the forming mold in a region within the continuous heating furnace where a temperature of the upper surface of the glass material being formed is equal to or greater than a glass transition temperature of the glass. | 06-09-2011 |
| 20110130832 | SOFT INTRAOCULAR LENS - A soft intraocular lens is provided, with IRHD hardness thereof being 40 to 60, wherein distance L is in a range of 3.75 mm-4.50 mm, which is a distance from an optical central axis of the optical part to a reference point of a supporting part side edge of the transition part, and an angle θ is in a range of 35°-50°, which is formed by a surface including the optical central axis and a reference point of the supporting part side edge of the transition part, and a surface including the optical central axis and in contact with a tip of the supporting part, with a width of the transition part being larger than a width of the supporting part, and a width Wm of the transition part in a middle of the optical part side edge and the supporting part side edge of the transition part being 1.5 times to 3 times of a width Ws of the supporting part. | 06-02-2011 |
| 20110129693 | MAGNETIC DISK GLASS SUBSTRATE - A magnetic disk glass substrate including compressive stress layers at main surfaces and a tensile stress layer between the compressive stress layers formed by chemical strengthening. When the glass substrate has a thickness of less than 0.5 mm and the tensile stress layer has a thickness L and a tensile stress of Pt (kg/mm | 06-02-2011 |
| 20110127685 | METHOD OF MANUFACTURING LENS CASTING MOLD AND METHOD OF MANUFACTURING EYEGLASS LENS - An aspect of the present invention relates to a method of manufacturing a lens casting mold by introducing a forming mold, with a forming surface on which a glass material being formed is positioned, into a continuous heating furnace and conducting thermal treatment while conveying the forming mold in the furnace to form an upper surface of the glass material being formed by bring a lower surface of the glass material being formed into tight contact with the forming surface. The aspect comprises utilizing a forming mold having a curvature distribution on the forming surface as the forming mold; specifying an average curvature in a direction running from a geometric center toward a perimeter portion of the forming surface of the forming mold in two or more different directions before introduction to the furnace; directly or indirectly measuring a temperature at two or more measurement points on the forming surface of the forming mold in one or two or more regions within the furnace and specifying a direction running from the geometric center of the forming surface toward a point that is of maximum temperature among the two or more measurement points as a maximum temperature direction; continuously or intermittently repeating approximately full circle rotation in a horizontal direction of the forming mold during passage through the furnace; and in the region in which the maximum temperature direction has been specified, the rotation is conducted so that an angular rotation speed of the forming mold decreases as the average curvature in an n | 06-02-2011 |
| 20110126364 | Process for producing dyed plastic lens - A process which enables a plastic lenses having a refractive index of 1.7 or greater and, in particular, plastic lenses having a refractive index of 1.7 to 1.8 to be dyed uniformly to a great density without unevenness, which is, specifically, a process for producing a dyed plastic lens which comprises conducting following steps (1), (2) and (3) in this order: Step (1): a step comprising coating a substrate at 60° C. or lower with an ink comprising a sublimation dye; Step (2): a step comprising decreasing content of water in the ink comprising sublimation dye coating the substrate to 50% by mass or less of the entire ink; and Step (3): a step comprising, after placing a plastic lens in a manner such that a face for dying of the lens and a face of the substrate coated with the ink comprising a sublimation dye face each other, sublimating the sublimation dye in the ink comprising a sublimation dye coating the substrate by heating the substrate obtained after Step (2) under a degree of vacuum of about 1×10 | 06-02-2011 |
| 20110123912 | MANUFACTURING METHOD OF TRANSPARENT SUBSTRATE FOR MASK BLANKS, MANUFACTURING METHOD OF MASK BLANKS, MANUFACTURING METHOD OF EXPOSURE MASKS, MANUFACTURING METHOD OF SEMICONDUCTOR DEVICES, MANUFACTURING METHOD OF LIQUID CRYSTAL DISPLAY DEVICES, AND DEFECT CORRECTION METHOD OF EXPOSURE MASKS - There are provided a manufacturing method of a transparent substrate for a mask blank, a mask blank, or an exposure mask adapted to prevent occurrence of a transfer pattern defect or a mask pattern defect, by correcting a recessed defect existing on the surface of the transparent substrate, and a defect correction method of an exposure mask. | 05-26-2011 |
| 20110123832 | GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE, MAGNETIC RECORDING MEDIUM SUBSTRATE AND METHOD OF MANUFACTURING THE SAME, AND MAGNETIC RECORDING MEDIUM - An aspect of the present invention relates to glass for a magnetic recording medium substrate, which comprises, denoted as molar percentages, 50 to 75 percent of SiO | 05-26-2011 |
| 20110122758 | OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS AND OBJECTIVE OPTICAL SYSTEM FOR THE SAME - An objective optical system for an optical information recording/reproducing apparatus for recording/reproducing for first, second and third optical discs by selectively using three types of substantially collimated light beams including first, second and third light beams respectively having first, second and third wavelengths, wherein at least one of optical surfaces of the objective optical system comprises a diffraction surface having a diffraction structure, the diffraction surface includes a first region defined by first and second optical path difference functions, a second region defined by at least one type of optical path difference function, and a third region defined by at least one type of optical path difference function, the first region satisfies a condition: | 05-26-2011 |
| 20110122309 | APPARATUS FOR DETECTING IN-FOCUS STATE - An apparatus that detects an in-focus state has a plurality of line sensors arranged on a projection area of an optical image-forming system, each line sensor comprising photoelectric converters an storages; a plurality of monitor sensors arranged on the projection area, each monitor sensor being adjacent to a corresponding line sensor and monitoring a quantity of light incident on a corresponding line sensor; an accumulation termination detector that detects a termination timing of an accumulation of electric charge in the plurality of line sensors on the basis of monitor signals output from the plurality of monitor sensors; an electric charge transfer processor that transfers electric charges accumulated in the photoelectric converters to the storages; a signal output processor that reads electric charges temporarily stored in the storages to output image signals corresponding to an object image; and an electric charge transfer controller that adjusts an electric charge transfer time of a target line sensor in response to intensity of light incident on a corresponding monitor sensor. | 05-26-2011 |
| 20110122280 | APPARATUS FOR DETECTING IN-FOCUS STATE - An apparatus that detects an in-focus state according to the present invention has a plurality of line sensors arranged on a projection area of an optical image-forming system; a plurality of monitor sensors arranged on the projection area with each monitor sensor positioned adjacent to a corresponding line sensor and monitoring a quantity of light incident on the corresponding line sensor; an electric charge accumulation controller that controls the timing of completion of the accumulation of electric charges in the plurality of line sensors on the basis of monitor signals output from corresponding monitor sensors; that controls the timing of the commencement of the subsequent accumulation of electric charges in the plurality of line sensors; and a signal output processor that reads the accumulated electric charges from the plurality of line sensors and then outputs image signals corresponding to an object image. The electric charge accumulation controller commences accumulation of electric charges before the reading of all electric charges in the plurality of line sensors finishes. | 05-26-2011 |
| 20110117273 | EVAPORATION SOURCE, PROCESS FOR PRODUCING OPTICAL MEMBER, AND OPTICAL MEMBER - An evaporation source for supporting an organic material for vapor deposition which comprises a nonwoven fabric constituted with a fiber comprising silicon oxide, wherein thermal conductivity of the nonwoven fabric is 0.01 to 1.0 Wm | 05-19-2011 |
| 20110111953 | COATED PARTICLES, METHOD OF PRODUCING COATED PARTICLES AND ADSORPTION APPARATUS - Coated particles according to the present invention are comprised of particles each having a surface. At least the vicinity of the surface of the particle is constituted of a calcium phosphate-based compound. The particles are coated with a polyamine-based compound, and an average particle size of the particles is 1 μm or more. Furthermore, such coated particles are produced by preparing a preparation liquid containing a liquid containing at least one of water and an alcohol, the coated particles and the polyamine-based compound and then heating the preparation liquid to coat the particles with the polyamine-based compound. Furthermore, it is preferred that the liquid used in preparing the preparation liquid contains methanol as a main component thereto. | 05-12-2011 |
| 20110111332 | PHASE SHIFT MASK BLANK AND PHASE SHIFT MASK - The present invention provides a photomask blank used for producing a photomask to which an ArF excimer laser light is applied, wherein: a light-shielding film is provided on a light transmissive substrate; the light-shielding film has a laminated structure in which a lower layer, an interlayer and an upper layer are laminated in this order from the side close to the light transmissive substrate; the thickness of the entire light-shielding film is 60 nm or less; the lower layer is made of a film containing a metal and has a first etching rate; the upper layer is made of a film containing a metal and has a third etching rate; the interlayer is made of a film containing the same metal as that contained in the lower layer or the upper layer and has a second etching rate that is lower than the first etching rate and the third etching rate; and the thickness of the interlayer is 30% or less of the thickness of the entire light-shielding film. | 05-12-2011 |
| 20110109994 | SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK - The shape and number of surface defects are controlled so that the occurrence of failure is suppressed in an HDD device in which a magnetic head with a very small flying height, such as a DFH head, is mounted. | 05-12-2011 |
| 20110105294 | OPTICAL GLASS, PRECISION PRESS-MOLDING PREFORM, OPTICAL ELEMENT AND PROCESS FOR PRODUCING THE SAME - [Problems to be Solved] | 05-05-2011 |
| 20110104592 | PHOTOMASK BLANK, PHOTOMASK, AND METHOD FOR MANUFACTURING PHOTOMASK BLANK - The present invention provides a photomask blank used for producing a photomask to which an ArF excimer laser light is applied, wherein: a light-shielding film is provided on a light transmissive substrate; the light-shielding film has a laminated structure in which a back-surface antireflection layer, a light-shielding layer and a front-surface antireflection layer are laminated in this order from the side close to the light transmissive substrate; the thickness of the entire light-shielding film is 60 nm or less; the back-surface antireflection layer is made of a film containing a metal and has a first etching rate; the front-surface antireflection layer is made of a film containing a metal and has a third etching rate; the light-shielding layer is made of a film containing the same metal as that contained in the back-surface antireflection layer or the front-surface antireflection layer and has a second etching rate that is lower than the first etching rate and the third etching rate; and the thickness of the light-shielding layer is 30% or less of the thickness of the entire light-shielding film. | 05-05-2011 |
| 20110103217 | OPTICAL INFORMATION RECORDING/REPRODUCING OPTICAL SYSTEM AND OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS - An objective lens for an optical information recording/reproducing optical system for an optical disc letting a laser beam impinge on a recording layer of the optical disc, and wherein a center wavelength λ (unit: nm) of the laser beam is in a range defined by a condition: 390≦λ≦420, a base material of the objective lens is made of resin, the resin has a glass transition temperature Tg and light transmissivity T (unit: %) per a path length of 3 mm at a wavelength of 406 nm defined by conditions: Tg≧115° C., 85≦T≦90, same antireflection films or different types of antireflection films are respectively formed on optical surfaces of the objective lens, and each of the antireflection films formed on the objective lens has a thickness of 100 nm or more in a vicinity of an optical axis of the objective lens. | 05-05-2011 |
| 20110103207 | OPTICAL SYSTEM OF OPTICAL PICK-UP AND OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS - An optical system of an optical pick-up including a resin coupling lens and a resin objective lens with NA larger than 0.8, wherein, magnification β satisfies a condition: −0.13<β<−0.08, a focal length f of the objective lens satisfies a condition: 1.15| 05-05-2011 | |
| 20110102945 | MAGNETIC DISK SUBSTRATE, METHOD FOR MANUFACTURING THE SAME, AND MAGNETIC DISK - Provided are a magnetic disk substrate that can be adapted to a reduction in flying height of a head in an HDD and to an increase in rotational speed therein, and a method of manufacturing such a substrate. | 05-05-2011 |
| 20110102892 | POLARIZING ELEMENT AND PROCESS FOR PRODUCING POLARIZING ELEMENT - A polarizing element comprising an alignment layer and a polarizing layer formed by aligning a dichroic coloring agent by deposition which are successively disposed on a substrate, wherein the alignment layer is a sol-gel film formed by using a material comprising at least (A) a sol of an inorganic oxide and (B) an alkoxysilane and/or a hexaalkoxydisiloxane, and the ratio of amounts by mole of Component (B) to solid components in Component (A) [(B)/(A)(solid components)] is 99.9/0.1 to 40/60; and a process for producing the polarizing element. The polarizing element can be produced in simple steps, the treatment of abrasion of the surface necessary for alignment of a dichroic coloring agent by deposition is facilitated, and haze due to formation of cracks is absent. | 05-05-2011 |
| 20110101263 | SOLVENT-DISPERSIBLE PARTICLE, FABRICATION METHOD THEREOF, AND DISPERSION - A multi-component alloy particle containing at least two metal components and at least one surface modifier contacting the metal components where in the multi-component alloy particle atoms of the metal components are arranged in an ordered manner, and the multi-component alloy particle is ferromagnetic and disperses in a solvent. Method for making the multi-component alloy particle. | 05-05-2011 |
| 20110098717 | Intraocular Lens Insertion Device - There is provided an intraocular lens insertion device capable of easily positioning a circumference of an optical portion of an intraocular lens with respect to a distal end of a plunger. An intraocular lens insertion device | 04-28-2011 |
| 20110097652 | TRANSPARENT ARTICLE - An inspection method of transparent articles wherein presence or absence of optical inhomogeneities within the transparent articles can be accurately inspected is provided. | 04-28-2011 |
| 20110089431 | COMPOUND SINGLE CRYSTAL AND METHOD FOR PRODUCING THE SAME - A method for producing a compound single crystal includes a process (I) of growing the compound single crystal while causing an anti-phase boundary and a stacking fault to equivalently occur in a <110> direction parallel to the surface, the stacking fault being attributable to the elements A and B; a process (II) of merging and annihilating the stacking fault, attributable to the element A, and the anti-phase boundary, which occurs in the process (I); a process (III) of vanishing the stacking fault attributable to the element B, which occurs in the process (I); and a process (IV) of completely merging and annihilating the anti-phase boundary. The process (IV) is carried out simultaneously with the processes (II) and (III) or after the processes (II) and (III). | 04-21-2011 |
| 20110086241 | GLASS FOR MAGNETIC RECORDING MEDIA SUBSTRATES, MAGNETIC RECORDING MEDIA SUBSTRATES, MAGNETIC RECORDING MEDIA AND METHOD FOR PREPARATION THEREOF - The provided are a glass for a magnetic recording medium substrate permitting the realization of a magnetic recording medium substrate affording good chemical durability and having an extremely flat surface, a magnetic recording medium substrate comprised of this glass, a magnetic recording medium equipped with this substrate, and methods of manufacturing the same. Glasses for a magnetic recording medium substrate are, glass I comprised of an oxide glass, comprising, denoted as mass percentages:
| 04-14-2011 |
| 20110082463 | INTRAOCULAR LENS INSERTING INSTRUMENT AND CARTRIDGE - An intraocular lens insertion device and a cartridge which enable the intraocular lens to be inserted into an eye more stably and easily than ever before. A supporting portion | 04-07-2011 |
| 20110081605 | PHOTOMASK BLANK AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a photomask blank in which a light-shielding film consisting of a plurality of layers is provided on a light transmissive substrate, wherein a layer that is provided to be closest to the front surface is made of CrO, CrON, CrN, CrOC or CrOCN, and wherein the atom number density of the front-surface portion of the light-shielding film is 9×10 | 04-07-2011 |
| 20110081379 | PURIFICATION METHOD AND METHOD OF PRODUCING VACCINE - A method of purifying a virus or viral antigen from a sample solution containing the virus or viral antigen is provided. The method comprises: preparing sintered powder of hydroxyapatite, wherein a specific surface area of particles of the sintered powder is in the range of 2.0 to 11.0 m | 04-07-2011 |
| 20110080562 | MULTIFOCAL INTRAOCULAR LENS SIMULATOR AND METHOD OF SIMULATING MULTIFOCAL INTRAOCULAR LENS - A multifocal intraocular lens simulator includes an optical system enabling an object to be observed therethrough, and a test lens holder which holds a prescribed test intraocular lens. The intraocular lens holder is installed at a position optically conjugate with a position at which an eye of an observer is to be placed. The present invention also teaches a method of simulating a multifocal intraocular lens. | 04-07-2011 |
| 20110080186 | CONTACTING COMPONENT, METHOD OF PRODUCING THE SAME, AND TEST TOOL HAVING THE CONTACTING COMPONENT - A contacting component has a probe contact formed by plating and adapted to be contacted with a target portion. The contacting component includes an insulating substrate, a conductive circuit formed on one surface of the insulating substrate, and the probe contact is made of a conductive material and formed on the other surface of the insulating substrate. The conductive circuit and the probe contact are electrically connected in a through hole penetrating the insulating substrate. The probe contact includes a bump contact of a convex shape, the bump contact is formed by plating and having a surface which has a shape of a semispherical protrusion to be contacted with the target portion. The bump contact is made of a material containing a metal and carbon, the content of carbon falling within a range between 0.2 at % and 1.2 at %, both inclusive. | 04-07-2011 |
| 20110077461 | ENDOSCOPE AND INSTRUMENT LIFTING OPERATION DEVICE FOR THE SAME - An instrument lifting operation device including: an operation wire drawing mechanism configured to draw an proximal end of an operation wire connected to an instrument lifting piece; and a braking mechanism configured to restrict movement of the operation wire toward the tip side, wherein the braking mechanism includes: a fixed wall; and a spring arranged to be able to rotate about an axis together with an instrument lifting operation member in a state where the spring is elastically pressed against an inner circumferential surface of the fixed wall. When the instrument lifting operation member is operated to rotate about the axis, the wire coupling member rotates about the axis and the operation wire moves forward and backward in a state where the spring contacts and slides on the inner circumferential surface of the fixed wall to generate frictional resistance at a contacting part. | 03-31-2011 |
| 20110077142 | OPTICAL GLASS, PRESS-MOLDING GLASS MATERIAL, OPTICAL ELEMENT AND PROCESS FOR PRODUCING THE SAME - A high-refractivity low-dispersion optical glass of which the Ta | 03-31-2011 |
| 20110075542 | OPTICAL INFORMATION RECORDING/REPRODUCING OPTICAL SYSTEM AND OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS - An optical information recording/reproducing optical system, comprising a light source; an optical element converting a laser beam into a substantially collimated beam; and an objective lens, wherein a wavelength λ (unit: nm) of the laser beam falls within a range of 400<λ<410, the optical element and the objective lens are made of same resin materials or different resin materials having a glass transition temperature of Tg>115° C., each of optical surfaces is configured not to have an optical thin film which contains at least one of or elements of titanium, tantalum, hafnium, zirconium, niobium, molybdenum and chromium, each of optical surfaces of the optical element is provided with an antireflection film made of one of or a mixture of at least two of silicon oxide, aluminum oxide, aluminum fluoride and magnesium fluoride, and a following condition is satisfied. | 03-31-2011 |
| 20110075541 | OPTICAL INFORMATION RECORDING/REPRODUCING OPTICAL SYSTEM AND OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS - An optical information recording/reproducing optical system where resin material has Tg>115° C., first, second and third films are on an optical disc side of an objective lens and surfaces of an optical element, respectively, a light source side of the objective lens has a fourth film having four or more layers not containing Ti, each of the first, second and third films includes a non-high refractive index layer made of one of silicon oxide, aluminum oxide, aluminum fluoride and magnesium fluoride or a mixture of at least two of them, each of the first, second and third films is not made of one of Ti, Ta, Hf, Zr, Nb, Mo and Cr, a layer of the fourth film closest to a base material is the non-high refractive index layer. The fourth film satisfies 350<λ | 03-31-2011 |
