42nd week of 2008 patent applcation highlights part 25 |
Patent application number | Title | Published |
20080252942 | ACTUATOR, OPTICAL SCANNER AND IMAGE FORMING APPARATUS - An actuator includes a mass section; a support section; a coupling section for coupling the mass section rotatably to the support section so as to support the mass section with cantilever structure; and a pair of driving sources including a piezoelectric element for rotating the mass section, wherein the pair of driving sources are provided separately from each other with respect to a central axis of rotation of the mass section, each of the driving sources is provided slidably with respect to the coupling section or the support section, and the actuator is structured such that it causes the pair of piezoelectric elements to expand and contract in phases opposite to each other, so as to rotate at least a part of the coupling section while torsionally deforming the mass section. | 2008-10-16 |
20080252943 | SCANNER DEVICE AND IMAGE READING AND DISPLAY METHOD - A scanner device includes a keyboard, a display, a control unit, and a storage unit, wherein the keyboard and the display are disposed so as to cover the top of the body of the scanner device, and the control unit includes an image reading unit that controls to read image data from original documents, an image storing unit that stores the image data read by the image reading unit in the storage unit, and a display control unit that controls to display the image data of any of the original documents on the display based on the image data stored by the image storing unit. | 2008-10-16 |
20080252944 | Image forming device creating a preview image - An image forming device may be provided with a setting data storage device, a preview image creation device, and an output device. The setting data storage device may be capable of storing a plurality of patterns of setting data. The preview image creation device may create, for each pattern of setting data stored in the setting data storage device, a preview image to which the pattern of setting data is reflected. The output device may output the plurality of preview images created by the preview image creation device. | 2008-10-16 |
20080252945 | Device and Method for Generating an Image of an Object - A device for generating an image of an object is provided, comprising an illumination module, by means of which the object can be illuminated with a pattern whose phase is altered temporally a recording module by means of which a plurality of recordings of the object are carried out during the phase change of the patter, and a processing module, which generates the image from the recordings, wherein the illumination module moves a light beam over the object and modulates its intensity synchronously with the movement such that the beam generates the pattern in scanning fashion. | 2008-10-16 |
20080252946 | IMAGE FORMING APPARATUS - An image forming apparatus has a substantially planar top surface includes a first body including a scanner and an operation panel disposed on one side of the scanner, and in which a top surface of the scanner and a top surface of the operation panel are in a same plane; and a second body disposed below the first body, to support the first body so that the first body rotates between open and closed positions. | 2008-10-16 |
20080252947 | IMAGE PROCESSING APPARATUS AND NETWORK MULTIFUNCTION PERIPHERAL - An image processing apparatus includes a CPU arranged to select one of a plurality of pixel rates including a normal pixel rate and high pixel rates which are higher than the normal pixel rate when processing at a low resolution. The image processing apparatus also includes a timing generator arranged to control a CCD line sensor so that the pixel data is outputted at the selected pixel rate, a switch arranged to select the pixel data of pixels at different positions in a line, from line to line, from among the pixel data acquired by scanning the plurality of consecutive lines according to a control signal from the timing generator, and an ASIC arranged to import the selected pixel data and apply different filters to the imported pixel data depending on the line where the target data to be acquired is positioned. | 2008-10-16 |
20080252948 | UNIT FOR MEASURING COLOR AND RECORDING APPARATUS - A color measuring unit that is easily mounted in a recording apparatus and measures with high accuracy. All of the elements of the color measuring are integrated into a single unit, such that the color measuring can be used independently in a separated form. | 2008-10-16 |
20080252949 | COMPACT IMAGE FORMING APPARATUS HAVING PIVOTALLY ATTACHED SCANNING UNIT - An image forming apparatus to be placed on a desktop includes a first body, a second body which is pivotally mounted above the first body, a light emitting unit disposed in the second body, an image forming unit disposed in the first body so as to form a C-shaped paper feeding path, a first power supply unit and a second power supply unit disposed on a bottom surface of the first body, a controlling board disposed on a first side wall of the first body, and a power transmission unit disposed on a second side wall of the first body. | 2008-10-16 |
20080252950 | Video Hologram and Device for Reconstructing Video Holograms for Large Objects - A video holographic display device operates so that the size of a reconstructed three dimensional scene is a function of the size of the hologram-bearing medium; the reconstructed three dimensional scene can then be anywhere within a volume defined by the hologram-bearing medium and a virtual observer window through which the reconstructed three dimensional scene must be viewed. This contrasts with conventional holograms, in which the size of the reconstructed scene is localised to a far smaller volume and is not a function of the size of the hologram-bearing medium at all. | 2008-10-16 |
20080252951 | Reference beam coupler for an apparatus for reading from and/or writing to holographic storage media - The present invention relates to a reference beam coupler for an apparatus for reading from and/or writing to holographic storage media, to a multiplexing scheme using the reference beam coupler, and to an apparatus for reading from and/or writing to holographic storage media using such reference beam coupler or multiplexing scheme. | 2008-10-16 |
20080252952 | Method and Apparatus for Recording One-Step, Full-Color, Full-Parallax, Holographic Stereograms - The present invention concerns methods and devices for creating and printing variable size and variable resolution holographic stereograms and holographic optical elements using computer rendered images of three-dimensional computer models or using computer processed images. The present invention is an apparatus and method for printing one-step, full-color, full-parallax holographic stereograms utilizing a reference beam-steering system that allows a reference beam to expose a holographic recording material from different angles. More particularly, a coherent beam is split into object and reference beams. The object beam passes through an object beam unit in which a rendered image is displayed, while the reference beam passes through the reference beam-steering system. The object and reference beams interfere with each other at an elemental hologram on a holographic recording material. A computer controls the exposure time and the movement of the recording material and may also render the images displayed in the object beam unit. In addition, the computer may also store the images before they are displayed in the object beam unit. Also, the present invention may also utilize a voxel-control lens placed in the path of the object beam and in close proximity to the holographic recording material to control the resolution of a holographic stereogram. In addition, the present invention may also utilize interchangable band-limited diffusers and reference-beam masking plates. Furthermore, the present invention incorporates viewing zone techniques to the rendering process for one-step, holographic stereograms to produce animated, one-step, holographic stereograms. | 2008-10-16 |
20080252953 | Holographic Storage And Regeneration System Having Servo Mechanism - A holographic storage and regeneration system includes a holographic recording medium, a light source, a spatial light modulator, and a conjugate servo light guidance portion. The light source generates a signal light and a reference light. The spatial light modulator modulates the incident signal light and makes it incident onto the medium along the incident direction of the signal light. The guidance portion guides a reference light to incident onto the medium in one direction and reflects it in another direction. A reference light and a signal light interfere with each other to produce a holographic interference fringe. The reflected reference light is guided into a first image sensor to be used to analyze the incident angle of the reference light. When the reference light incidents onto the fringe of the medium through the guidance portion in a reverse direction relative to another direction, a conjugate regenerated light is generated. | 2008-10-16 |
20080252954 | Laser Confocal Microarray Scanner - The invention provides a laser microarray scanner for microarray scanning, comprising an optical system, a scanning platform, and a data processing system. During scanning, the optical system remains fixed, and the microarray placed on the scanning platform moves relative to the optical system. The microarray scanner disclosed herein has high scanning speed, high sensitivity, high resolution, and high signal-to-noise ratio, thus is ideal for use in microarray scanning | 2008-10-16 |
20080252955 | STEREOSCOPIC DISPLAY APPARATUS AND SYSTEM - A stereoscopic display apparatus includes a source of illumination for emitting light, an imaging system for imaging the source of illumination at a viewing region, a spatial light modulator for modulating light from the source of illumination with two-dimensional images, and a control unit for controlling a relative position of the “active” source of illumination related to the imaging system. The stereoscopic display apparatus further includes a controller to vary the relative position of the “active” source of illumination in three directions which are orthogonal to each other, without physically moving a light source for inducing the source of illumination to emit light. | 2008-10-16 |
20080252956 | Optical Pattern Generator Using a Single Rotating Component - An optical pattern uses a single rotating component. The rotating component includes a number of deflection sectors. Each sector deflects an incident optical beam by a substantially constant angular amount although this amount may vary from one sector to the next. The rotating component may be combined with an imaging lens group that produces, for example, image points, spots, or lines displaced along a line locus. | 2008-10-16 |
20080252957 | Piezoelectric-Motor-Driven Two-Axis Orientation Turret - In the orientation device of a transmission assembly for orienting at least one beam in elevation and/or in bearing, said assembly pivots on a fork about an elevation axis and is driven about this axis by a motor supported by said fork, which fork can pivot on a base about a bearing axis, perpendicular to the elevation axis and driven about this axis by a second motor supported by said base, and at least one of the motors is a travelling-wave piezoelectric rotary motor. | 2008-10-16 |
20080252958 | Two-Sided Reflector and Two-Sided Target Object - A two-sided reflector ( | 2008-10-16 |
20080252959 | MEMS DISPLAY - A display comprising: a plurality of MEMS elements arranged in rows, wherein the MEMS elements of each of the rows are further arranged in subrows and wherein the subrows of each row are electrically connected; and wherein the physical property of at least one MEMS element in at least one subrow is different from the physical property of at least one MEMS element in other subrows. The physical property can be a spring constant associated with a movable mirror, a film thickness, an electrode width, a damping force caused by air between a movable mirror and a fixed mirror, a mass of a movable mirror, a material or geometry of the respective MEMS element. | 2008-10-16 |
20080252960 | Optical Element - An optical element comprises a fluid chamber and a device for providing a magnetic field over at least a portion of the fluid chamber The fluid chamber has side portions and end portions, and contains a first fluid and a second fluid. The fluids are non-miscible and the second fluid is capable of being influenced by a magnetic field. The end portions of the fluid chamber are connected together only by the side portions. | 2008-10-16 |
20080252961 | Optical transceiver - In an optical transceiver of the invention, a magnet-free Faraday rotator is arranged on an optical axis between a light-emitting part and an end face of an optical fiber, and after rotating a plane of polarization of light of a first wavelength output from the light-emitting part, the light is input to a polarization dependent wavelength-separating film as P-polarized light. The polarization dependent wavelength-separating film has a characteristic of passing the P-polarized light of the first wavelength, and reflecting S-polarized light of the first wavelength and light of a second wavelength output from the optical fiber. As a result it is possible to provide a single-core bidirectional optical transceiver that can be shortened in overall length, with a low loss and without affecting transfer characteristics. | 2008-10-16 |
20080252962 | Electronic Ink Display Device and Method for Manufacturing the Same - The invention provides an electronic ink display device having a panel structure of reduced thickness and enhanced moisture resistance and a method for manufacturing the same. The electronic ink display device has a first substrate ( | 2008-10-16 |
20080252963 | DISPLAY FILTER, DISPLAY DEVICE AND METHOD FOR FORMING DISPLAY FILTER - A display filter is disclosed. The display filter includes a base portion having a recess, a first part disposed in the recess and having a first refractive index different from a refractive index of the base portion, and a second part disposed in the recess and having a second refractive index different from at least one of the first refractive index of the first part and the refractive index of the base portion. | 2008-10-16 |
20080252964 | LIGHT COLLIMATING SYSTEM FOR SCHMIDT-CASSEGRAIN TELESCOPE - Disclosed is a light collimating system for mounting at the primary focus of a Schmidt-Cassegrain telescope (SCT) in place of the secondary mirror. The system comprises a housing containing a plurality of lens elements optimized to reduce optical aberrations. The resulting system has a focal ratio of approximately f/2, a short exposure time for optical imaging, and a wide field of view with very little distortion. The housing is attached to the corrector plate of the SCT by a pair of rings held together by a plurality of screws that further facilitate the alignment and rotation of the light collimating system. | 2008-10-16 |
20080252965 | EPI-ILLUMINATION OPTICAL SYSTEM FOR MICROSCOPES - The invention relates to an epi-illumination optical system for microscopes which relies upon a Köhler illumination system using a collective lens array, having simplified adjustment function capable of adjusting the image position of a light source to the back focal position of each microscope objective lens in operable association with microscope objective lens replacement. The invention provides an epi-illumination optical system for microscopes, with an objective lens serving as a condenser lens, which comprises a light source, a collimate lens, and a lens array. The epi-illumination optical system further comprises a projection optical system adapted to project an image of light source formed by collective lens array. The projection optical system comprises a partial optical system movable in an optical axis direction, so that the imaging position for the image array of light source is adjustable to the back focal position of the objective lens | 2008-10-16 |
20080252966 | FLUORESCENCE MICROSCOPE APPARATUS - A clear fluorescence image is obtained by preventing external light from mixing with weak fluorescence emitted from a specimen, while reducing the size of the overall apparatus. The invention provides a fluorescence microscope apparatus including a stage for mounting a specimen; an objective lens for collecting fluorescence from the specimen; a moving mechanism for relatively moving the stage and the objective lens; a first cover member secured to the objective lens; a second cover member, provided at the stage, for enclosing a tip of the objective lens and a space above the stage, together with the first cover member; and a light-blocking member allowing relative movement of the first and second cover members while preventing leakage of light from a gap between the two cover members. | 2008-10-16 |
20080252967 | MICROSCOPE APPARATUS - An image can be prevented from becoming unclear over time during long-term observation. The invention provides a microscope apparatus including a specimen container for containing a specimen; an objective lens disposed opposite the specimen container for collecting light from the specimen in the specimen container; an immersion-liquid supplying unit for supplying immersion liquid to a space between the objective lens and the specimen container; and an immersion-liquid removing unit for removing the immersion liquid from the space between the objective lens and the specimen container. The immersion-liquid removing unit includes a nozzle for ejecting compressed air to the space between the objective lens and the specimen container. | 2008-10-16 |
20080252968 | Projection-type image display apparatus - A Fresnel lens collimates a light modulated by an image signal and outputs a collimated light. A diffusion member diffuses the collimated light and outputs a diffused light. A driver continually moves the Fresnel lens or the diffusion member on a predetermined trajectory within a plane parallel with a screen. A spring member couples the Fresnel lens or the diffusion member with a casing, including a first deformation plane flexible in a first direction within the plane, and a second deformation plane flexible in a second direction substantially perpendicular to the first direction within the plane, while it is not flexible in a direction perpendicular to the plane. | 2008-10-16 |
20080252969 | Imaging Apparatus - Imaging apparatus including image creation means for creating a moving image, means for enlarging the image, and a screen on which the image is displayed in use to a viewer. The image creation means includes a substantially planar image creation screen on which the image is created. | 2008-10-16 |
20080252970 | Stereoscopic display unit and stereoscopic vision observation device - A stereoscopic display unit and stereoscopic vison observation device are disclosed that include a projector that projects left-eye and right-eye images via two apertures that serve as exit pupils of the projector onto the same image surface and a display panel. The display panel is positioned at, or in the vicinity of, the image surface, and includes an optical element having an optical axis and positive optical power that conjugates the exit pupils of the projector so as to form exit pupils for observation. The optical axis of the optical element having positive optical power is offset so as to lie outside the surface area of the display panel and a diffuser is provided at, or in the vicinity of, the image surface for the purpose of enlarging the exit pupils for observation to thereby form enlarged exit pupils for observation. Various other features are also disclosed. | 2008-10-16 |
20080252971 | Three-Dimensional/Two-Dimensional Convertible Display Device - A display device convertible between two-dimensional (2D) and three-dimensional (3D) is provided. The convertible display device is based on integral imaging (II) or integral photography (IP) and displays 2D or 3D images. An image processor generates and transmits elemental images to reconstruct a 3D image or transmits a desired two-dimensional image, and a transmission-type display device displays the image received from the image processor. At this time, a diffusion rate (or haze rate) of light illuminated from a point light source array that is made of a plurality of point light sources is controlled by a variable diffuser and as the light illuminates the transmission-type display device, the device displays 2D or 3D images. According to the present invention, a point light source array is generated by controlling a variable diffuser and as a result a display device convertible between 3D and 2D is achieved. Moreover, a 3D image can be made by spatially modulating the light illuminated from a point light source array and, thereby, an available depth region is dramatically improved. | 2008-10-16 |
20080252972 | MULTI-LAYERED POLARIZING SHEET, AND A NON-GLARING PRODUCT AND A POLARIZING SHEET FOR A LIQUID-CRYSTAL DISPLAY COMPRISING THE POLARIZING SHEET - [Problem to be Solved] The present inventions provide a polarizing film and a polarizing sheet of which the resistance for the response in the vertical direction against the direction for the extension. | 2008-10-16 |
20080252973 | POLARIZING PLATE, OPTICAL FILM AND IMAGE DISPLAY - A polarizing plate of the present invention comprises a polarizer; an adhesive layer; and a transparent protective film bonded to at least one side of the polarizer with the adhesive layer interposed therebetween, wherein the adhesive layer is formed from an active energy ray curing adhesive containing at least one curable component, and the adhesive layer has a glass transition temperature (Tg) of 60° C. or more, and a thickness of 0.01 μm to 7 μm. The polarizing plate has sufficient durability in a severe environment at high temperature and high humidity. | 2008-10-16 |
20080252974 | Elliptically Polarizing Plate, Optical Film and Image Display - An elliptical polarization plate includes: a scatter/two-color absorption composite type polarizer formed by a film of such a structure that minute areas are scattered in a matrix formed by a translucent resin containing iodine-based light absorber; a transparent support body; and discotic liquid crystal or nematic liquid crystal having an optically anisotropic layer where the optical axis of the liquid crystal molecule is inclined from the transparent support body surface. The elliptical polarization plate has a wide field of view, a high contrast, a high transparency, and a high polarization degree while suppressing the irregularities of the transparency when performing black display. | 2008-10-16 |
20080252975 | Lens barrel and camera with lens barrel - A lens barrier is opened/closed by a barrier drive cylinder disposed on an outer peripheral side of a lens. The barrier drive cylinder is rotated by a rotation of a cam cylinder together with a first cylinder so as to move forward and backward. In the course of a movement of the lens from a retracted position to a shooting position, the barrier drive cylinder rotates such that a drive ring biased to an opening direction by a spring is driven into an opening direction. The barrier is, thus, opened. When the lens is moved from the shooting position to the retracted position, the operation reverse to the aforementioned is performed to close the barrier. An annular seal member is provided into the space between the barrier drive cylinder and the first cylinder so as to prevent water from entering into the barrel. | 2008-10-16 |
20080252976 | Method of Producing Perforated Retroreflective Trim - Perforated retroreflective fabric, trim or tape that comprises a substrate ( | 2008-10-16 |
20080252977 | IMAGE DISPLAY METHOD - Disclosed herein is an image display method wherein an image display apparatus which includes a light source and an optical system is used, the optical system including, an optical modulation section, a Fourier transform image forming section, a Fourier transform image selection section, and a conjugate image forming section, the image forming method including, a step, carried out by the optical modulation section, of producing a two-dimensional image based on two-dimensional image data whose aberrations caused by the optical system are corrected. | 2008-10-16 |
20080252978 | LASER IRRADIATION APPARATUS, LASER IRRADIATION METHOD, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - Providing a method and apparatus for efficiently irradiating a uniform laser light on an irradiation surface even when a laser light of high coherence or a large size substrate is used. The laser irradiation apparatus of the invention comprises a laser; means for dividing a laser light emitted from the laser into plural laser beams; means for synthesizing the laser beams on the irradiation surface or place in the vicinity thereof thereby forming a laser light having a periodical energy distribution; and means for moving the substrate relative to the laser light. Such a laser irradiation apparatus may be used to anneal the overall surface of a semiconductor film. | 2008-10-16 |
20080252979 | Terahertz-Band Optical Filter, Designing Method Thereof, and Manufacturing Method Thereof - A terahertz band optical filter having a dielectric multilayer periodic structure in which a plurality of dielectric materials are periodically layered. Multi-cavity layers each having an optical path length of n times λ/2 (n is an integer greater than or equal to 1) and made of a low-refractive index medium are arranged. The cavity layers are coupled using a single-layer coupling layer having an optical path length λ/4 and made of a high-refractive index medium, thus forming a multi-cavity structure. Matching layers each including a high refractive index layer and a low refractive index layer each having an optical path length of λ/4 are disposed at either end of the multi-cavity structure. | 2008-10-16 |
20080252980 | OPTICAL ARTICLE AND METHOD OF MAKING - Disclosed herein is an optical article having a top layer with a structured surface that collimates light, a core layer secured to the top layer opposite the structured surface, and a bottom layer secured to the core layer opposite the top layer. Either the top layer or the core layer includes a first extrudable polymer having a flexural modulus of greater than 2.5 GPa, and the other layer includes a second extrudable polymer having a flexural modulus of 2.5 GPa or less, an impact strength of greater than about 40 J/m, and tensile elongation at break of greater than about 5%. The bottom layer includes a third extrudable polymer. The bottom layer of the optical article may be structured to diffuse light. One or two optical articles may be secured to an optical film such as a polarizer film. Methods and display devices are also disclosed herein. | 2008-10-16 |
20080252981 | Optical space transmission module - An optical space transmission module is provided, which reduces an upper limit of light output based on safety standard of laser, reduces light returned to a laser, and is made smaller in size. The optical space transmission module comprises a light emitting section | 2008-10-16 |
20080252982 | Vertically mounted kaleidoscope - A kaleidoscopic device is provided. In accordance with one embodiment, the kaleidoscopic device may have a housing mounted within a wall and a collection drum that has a plurality of display elements. The collection drum may be intermittently rotated and/or rotated at various speeds by a driving system that has a motor. A mirror structure may be mounted within the housing and used with the display elements in order to generate a decorative kaleidoscopic effect. | 2008-10-16 |
20080252983 | METHODS AND APPARATUS FOR CREATING APERTURES THROUGH MICROLENS ARRAYS USING CURVED CRADLES - Methods for creating apertures in a layer on a back side of a substrate that includes a microlens array on a front side thereof include curving the substrate into a cylindrical surface segment that defines an axis, so that the microlens array on the front side of the substrate faces the axis. A pulsed laser beam is scanned from the axis circumferentially along the cylindrical surface segment, to pass through the microlens array on the front side of the substrate and into the layer on the back side of the substrate to create the apertures, while simultaneously translating the substrate and/or the scanned pulsed laser beam axially relative to one another. Related apparatus and microlens array products are also disclosed. | 2008-10-16 |
20080252984 | OPTICAL FILM AND BACKLIGHT UNIT HAVING THE SAME - An optical film and a backlight unit having the same are disclosed. The optical film includes a base film and a first prism disposed on the base film, the first prism having a first peak height and a second prism disposed on the base film, the second prism having a second peak height. A difference between the first peak height and the second peak height is substantially 1 μm to 10 μm. | 2008-10-16 |
20080252985 | Tunnel-type digital imaging-based self-checkout system for use in retail point-of-sale environments - A tunnel-type digital imaging-based self-checkout system capable of generating and projecting coplanar illumination and imaging planes into a 3D imaging volume within a tunnel structure. The tunnel structure is supported above a package conveyor in a retail POS environment, and employs automatic package identification, profiling and tracking techniques during self-checkout operations. | 2008-10-16 |
20080252986 | Thin and Efficient Light Collimating Device - A light collimation device comprising a wave guide plate ( | 2008-10-16 |
20080252987 | Projection Objective For Microlithography - A projection objective for imaging a pattern arranged in an object surface of the projection objective into an image surface of the projection objective with a demagnified imaging scale has a plurality of optical elements which arc arranged along an optical axis of the projection objective and are configured in such a way that a defined image field curvature of the projection objective is set in such a way that an object surface that is curved convexly with respect to the projection objective can be imaged into a planar image surface. What can be achieved given a suitable setting of the object surface curvature is that a gravitation-dictated bending of a mask does not have a disturbing effect on the imaging quality. | 2008-10-16 |
20080252988 | Method of Fabricating Tridimensional Micro- and Nanostructures as Well as Optical Element Assembly Having a Tridimensional Convex Structure Obtained by the Method - A method is for forming three-dimensional micro- and nanostructures, based on the structuring of a body of material by a mould having an impression area which reproduces the three-dimensional structure in negative form. This method includes providing a mould having a substrate of a material which can undergo isotropic chemical etching, in which the impression area is to be formed. An etching pattern is defined on (in) the substrate, having etching areas having zero-, uni- or bidimensional extension, which can be reached by an etching agent. A process of isotropic chemical etching of the substrate from the etching areas is carried out for a corresponding predetermined time, so as to produce cavities which in combination make up the impression area. The method is advantageously used in the fabrication of sets of microlenses with a convex three-dimensional structure, of the refractive or hybrid refractive/diffractive type, for forming images on different focal planes. | 2008-10-16 |
20080252989 | Variable Focus Lens - Disclosed is a variable focus lens, having an optical axis, comprising: a fluid chamber, the fluid chamber comprising a first fluid and an axially displaced second fluid, the fluids being non-miscible, in contact over a meniscus and having different indices of refraction; a fluid contact layer arranged on the inside of the chamber wall; a first electrode separated from the first fluid and second electrode by the fluid contact layer; a second electrode acting on the second fluid; the fluid contact layer having a wettability by the second fluid which varies under the application of a voltage between the first electrode and the second electrode, such that the shape of the meniscus varies in dependence on said voltage; wherein the fluid chamber is shaped such that an angle formed between the wall of the chamber and the optical axis decreases along the length of the optical axis. | 2008-10-16 |
20080252990 | Optical apparatus - To provide an optical apparatus which controls an interface state to change a focal length by using an optical element having a container sealing first liquid that is conductive or polarized and second liquid that does not mutually mix with the first liquid with their interface in a predetermined form and electrodes provided in the container and of which optical characteristics change according to change of interface form due to application of voltage to the electrodes, and in particular an optical apparatus that controls a duty ratio of alternating current voltage applied to said electrodes for changing said interface form. | 2008-10-16 |
20080252991 | ZOOM LENS - A zoom lens including a first lens group with a negative refractive power and a second lens group with a positive refractive power is provided. The first lens group is composed of a first lens, a second lens, and a third lens. Refractive powers of the first lens, the second lens, and the third lens are respectively negative, negative, and positive. Moreover, the second lens group is disposed between the first lens group and an image side. The second lens group is composed of a fourth lens, a fifth lens, and a sixth lens. Refractive powers of the fourth lens, the fifth lens, and the sixth lens are respectively positive, negative, and positive. The first lens group and the second lens group are capable of moving between an object side and the image side. The zoom lens has advantages of wide angle and small volume. | 2008-10-16 |
20080252992 | ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA - An object is to provide: a zoom lens system that has a reduced overall length, a high resolution, and a variable magnification ratio as high as 9 or greater and that is satisfactorily adaptable for wide-angle image taking where the view angle at a wide-angle limit is 70° or greater; an imaging device employing this zoom lens system; and a thin and compact camera. The zoom lens system has a plurality of lens units each composed of at least one lens element, and, in order from the object side to the image side, comprises a first lens unit having positive optical power, a second lens unit having negative optical power, a third lens unit having positive optical power, a fourth lens unit and a fifth lens unit. In zooming from a wide-angle limit to a telephoto limit at the time of image taking, at least the first lens unit and the second lens unit move in an optical axis direction, while the fourth lens unit and the fifth lens unit are each composed of one lens element. An imaging device and a camera employ this zoom lens system. | 2008-10-16 |
20080252993 | WIDE-ANGLE ZOOM LENS SYSTEM - A wide-angle 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 this order from the object. Upon zooming from the short focal length extremity to the long focal length extremity, at least the first lens group, the second lens group and the third lens group move along the optical axis direction so that the distance between the first lens group and the second lens group increases, the distance between the second lens group and the third lens group decreases, and the distance between the third lens group and the fourth lens group increases. The wide-angle zoom lens system satisfies the following conditions: | 2008-10-16 |
20080252994 | Zoom lens and imaging device - A zoom lens includes, in sequence from an object side to an image side along an optical axis, first to sixth lens groups respectively having positive, negative, positive, positive, negative, and positive refracting powers. The first lens group includes a reflecting member for bending the optical axis by substantially 90 degrees. The first and third lens groups remain stationary on the optical axis when the zoom lens zooms or focuses. Zooming is performed by moving the second, fourth, and fifth lens groups along the optical axis. Focusing is performed by moving the fourth lens group and/or the fifth lens group along the optical axis. Image shift is performed by moving the sixth lens group in a direction substantially perpendicular to the optical axis. The fourth lens group includes a single positive lens and a single negative lens. | 2008-10-16 |
20080252995 | Lens adjusting mechanism capable of two-dimensional adjustment - A lens adjusting mechanism includes a fixed board, a movable board, two first sliding blocks, a first driving device and two second sliding blocks. The movable board is provided on the fixed board. The first sliding blocks, each of which has two first driving members connected to the first sliding blocks, are provided on the movable board for movement along an X axis. The first driving members drive the first sliding blocks moving along a Y axis together with the movable board. The second sliding blocks, each of which has two second driving members pivoted on the fixed board and connected to the second sliding blocks, are provided on the movable board for movement along the Y axis. The second driving members drive the second sliding blocks moving along the X axis together with the movable board. | 2008-10-16 |
20080252996 | TELEPHOTO LENS SYSTEM - A telephoto lens system includes a positive first lens group, a positive second lens group, a diaphragm, a negative third lens group constituting a focusing lens group, and a positive fourth lens group. | 2008-10-16 |
20080252997 | Objective Lens Design For Miniature Endoscope - An endoscope objective lens system design is disclosed, generally comprising a first lens group having overall negative refractive power, a second lens group having overall positive refractive power, and an aperture diaphragm disposed between the first and second lens groups wherein the first lens group includes a plano-concave lens with its concave surface facing the objective end of the endoscope. | 2008-10-16 |
20080252998 | Lens barrel - A lens barrel has a first group frame provided with a rotating frame having a cam groove and made of a synthetic resin and a cam follower made of a synthetic resin integrated with the circumferential face for relative movement with the rotating frame and engaged with the cam groove, in which a shaft member made of metal is inserted into the center portion of the cam follower. If the lens barrel is dropped and the first group frame undergoes a relatively large impact force, the impact force acts between the cam groove and the cam follower, but since the shaft member is inserted into the cam follower as mentioned above, breakage of a root portion of the cam follower is prevented, and since the cam groove and the cam follower are both resin, plastic deformation on the cam groove side is also prevented. | 2008-10-16 |
20080252999 | LENS BARREL - A lens barrel, including, a moving frame ( | 2008-10-16 |
20080253000 | VEHICLE LAMP - A vehicle lamp includes a lens formed from a resin material and a lens holding member for holding the lens formed from the resin material. The lens and the lens holding member are adapted to be joined together through laser welding. A joining annular portion is provided on the lens holding member to which an outer circumferential portion of the lens is joined. A plurality of welding portions and a plurality of stopper portions are provided on the joining annular portion. The plurality of welding portions project towards the lens and are positioned apart from each other in a circumferential direction. The plurality of stopper portions project towards the lens, are positioned apart from each other in the circumferential direction, and contact the outer circumferential portion of the lens when the lens is joined to the joining annular portion. | 2008-10-16 |
20080253001 | Actuating Device Comprising Bimetal Disks - The invention relates to an actuating device comprising at least two coaxial bimetal disks and at least one axial strut arranged between the disks, the bimetal disks being mounted opposite each other and being deformable in opposite directions according to the thermal variations. The invention can be especially applied to the thermal compensation of an optical system. | 2008-10-16 |
20080253002 | Object lens unit and optical pickup device employing the unit - An object lens unit for an optical pickup device is disclosed. The object lens unit includes a first optical element positioned facing an optical information recording medium; a second optical element positioned on a light source side of the first optical element; and a frame in which the first optical element and the second optical element are fixed. The frame includes a first fitting portion and a second fitting portion, and has a prescribed clearance in a perpendicular direction to the optical axis between at least one of the first fitting portion of the frame and the first optical element, and the second fitting portion of the frame and the second optical element to adjust a position of at least one of the first optical element and the second optical element in a perpendicular direction to the optical axis. An optical pickup device including such object lens unit is also disclosed. | 2008-10-16 |
20080253003 | CAMERA LENS ASSEMBLY - A camera lens assembly providing focal length adjustment to permit mounting in a personal portable terminal. The camera lens assembly includes a lens assembly; a driving unit provided in one side of the lens assembly; and a guide section provided between the lens assembly and the driving unit, wherein the lens assembly moves forward and backward in a direction of an optical axis to the driving unit by guidance of the guide section. The guide section enhances an auto-focusing function and simplifies mounting of the camera lens assembly, rendering it possible to secure portability even when a camera is mounted to a miniaturized personal portable device such as a mobile communication terminal, a portable computer or the like. | 2008-10-16 |
20080253004 | INTERCHANGEABLE LENS INCORPORATING A LENS DRIVE MOTOR - An interchangeable lens includes a lens drive mechanism for driving a movable lens group provided in the interchangeable lens; a lens-motor for driving the movable lens group via the lens drive mechanism; and a power transmission mechanism for transmitting a driving force of a body-motor provided in a camera body to the lens drive mechanism with the interchangeable lens being mounted to the camera body. | 2008-10-16 |
20080253005 | ILLUMINATION SYSTEM - An illumination system including at least one coherent light source, a light uniforming element, and a prism is provided. The coherent light source is capable of emitting a coherent beam. The light uniforming element is disposed on a transmission path of the coherent beam. The prism is disposed on the transmission path of the coherent beam and between the coherent light source and the light uniforming element. The prism has a light incident end and a light exit end. The light incident end has at least one incident polygonal pyramid portion protruding away from the light exit end. The prism is capable of rotating about an axis, and the axis extends from the light incident end to the light exit end. The illumination system effectively reduces the degree of the speckle phenomenon. | 2008-10-16 |
20080253006 | MIRROR MOUNTING ASSEMBLY - A mirror mounting assembly for mounting a mirror on a vehicle bulkhead. The assembly includes a mirror element and a main support arm having a first end and a second end. The mirror element is connected to the first end of the main support arm. The second end of the main support arm is mountable to the vehicle. A pair of brackets are configured to conform to an engine bay side wall of the vehicle. Each bracket has a center portion and two laterally extending flanges that extend at an angle from the center portion in opposite directions. One of the flanges of each bracket is connectable to the bulkhead of the vehicle in the engine bay. A first additional support arm has a first end connected to a first one of the brackets and a second end connected to the main support arm. A second additional support arm has a first end connected to the main support arm and a second end connectable to the vehicle. Finally, a third additional support arm has a first end connected to the main support arm and a second end connectable to the vehicle. | 2008-10-16 |
20080253007 | DEFORMABLE MIRROR - A deformable mirror includes a flexible thin film. A holding member holds the flexible thin film. An operating member is configured to be actuated as the flexible thin film bends. A film-side opposite electrode is disposed on the flexible thin film. Holding-member-side bonding pads are disposed individually in positions symmetrical with respect to a center point of the flexible thin film or to a straight line which passes through the center point. A board is disposed opposite the holding member. A board-side opposite electrode is disposed on the board so as to face the film-side opposite electrode. Board-side bonding pads are disposed on the board so as to face the holding-member-side bonding pads, individually. Intermediate members are sandwiched individually between the holding-member-side bonding pads and the board-side bonding pads. | 2008-10-16 |
20080253008 | Foldable Exterior Rearview Mirror For Motor Vehicle - A foldable exterior rearview mirror includes a housing, a bracket fixed to a side of a motor vehicle, and a connecting arm mounted in the housing and including a sleeve portion suitable for receiving an electric adjusting device or manual adjusting device. The manual adjusting device includes a pivot shaft and a support frame. The pivot axle includes an axle and a base fixed to a lower end of the axle. The base is mounted to the bracket. The support frame includes a cylindrical portion and a coupling portion extending outward from a periphery of the cylindrical portion. The cylindrical portion and the coupling portion of the support frame are removable engaged in the sleeve portion of the connecting arm. A user may select the manual adjusting device or the electric adjusting device to be mounted in the sleeve portion of the connecting arm. | 2008-10-16 |
20080253009 | Front Surface Mirror - In a front surface mirror used for a rear projection television, in which a metal film and a metal oxide film are formed on a glass substrate in this order, the front surface mirror being characterized in that a surface of the glass substrate is reformed by ion etching and that the metal film is an Al film. | 2008-10-16 |
20080253010 | Distributive Optical Energy System - A system for generating and transmitting energy and methods of manufacturing and using the same. The system for generating and transmitting energy includes prisms, lenses, mirrors, optical cables or optic conduits, heat filters, light filters, and electricity filters. The lenses comprise lens systems to capture electromagnetic signals (wave and particle) coming from any source of radiant energy, from one or more sources of light, from one or more reflective surfaces, or from any electromagnetic wave, long or short. Upon receiving the electromagnetic signals, the lens system multiple n times the intensity of the signals by a method of infinitesimal folding of signals, a method basically consisting of an over-concentration of signals folding onto themselves tenth to millionth times in order to produce substantially concentrated signals and to project the substantially concentrated signals into one single optical cable. These substantially concentrated signals are transmitted to long distances as they are reflected through the interior of these optical cables or any especial optic conduits (in a conceptual manner similar to signal reflection in fiber optics cables). At the distal ends of the optical cable three filters will extract heat, white light and electricity. | 2008-10-16 |
20080253011 | Signal Processing Device and Signal Processing Method - There is provided a signal processing apparatus and a signal processing method, which can simultaneously perform reduction in jitter components and reduction in error rate. | 2008-10-16 |
20080253012 | MAGNETIC TAPE READ CHANNEL SIGNAL VALUES DEVELOPED EMPLOYING INTERMEDIATE BITS OF THE PATH MEMORY OF A PRML VITERBI DETECTOR - Magnetic tape read channel signal values are developed employing intermediate bits of the path memory of a PRML Viterbi detector. Identification logic identifies a most likely path memory state of the PRML Viterbi detector from the path metrics of the PRML Viterbi detector. An intermediate bit sequence of the identified most likely path memory state is obtained, the intermediate bit sequence extending from an initiation point of the path memory which is intermediate the output and the input of the PRML Viterbi detector. A sample value is determined which corresponds to the obtained intermediate bit sequence. | 2008-10-16 |
20080253013 | Method of Reading From and Writing to a Storage Disk, and Storage Disk Control Unit - A storage disk control unit is provided with a buffer management table that defines correspondence between the sectors of a storage disk and the buffer spaces of the storage disk control unit. Based on the buffer management table, common buffer spaces to be shared by a multiplicity of sectors and individual buffer spaces allocated for other individual sectors are reserved in the buffer means (RAM) of the storage disk control unit. Accordingly, an USB-FDD can perform high-speed read/write operations while minimizing the buffer capacity of the RAM. Further, the buffer spaces reserved for read/write operations can be accommodated in accordance with the use condition of storage disk and the need of the RAM for other purposes. | 2008-10-16 |
20080253014 | Magnetic disk controller and method - Among other disclosed subject matter, a magnetic disk controller can include an index detecting unit to detect an index of the magnetic disk, an error check code generating unit to, after the index detecting unit detects the index, generate a first error check code for first write data based on the first write data and a first physical address of a first sector subsequent to the detected index, and a writing control unit to cause the first error check code generated by the error check code generating unit, the first write data and the first physical address to be written into a second sector subsequent to the first sector. | 2008-10-16 |
20080253015 | SYSTEM AND METHOD FOR DETECTING SHAKES AND PERCUSSIVE IMPACTS AND FOR PROTECTING PORTABLE ELECTRONIC DEVICES WHEN PRE-SPECIFIED SHAKE PATTERNS AND PERCUSSIVE IMPACT LEVELS ARE DETECTED - A system and method detects low grade physical motions of an electronic device, such as a laptop computer, and takes protective measures if the physical motions match a pre-specified physical motion pattern. The pre-specified physical motion pattern may have been selected as a pattern which, if left alone, could cause cumulative damage to the electronic device. Alternatively, the pre-specified motion pattern may have been selected as a pattern which tended to indicate that more aggressive and abrupt movements would be forthcoming. The system and method further detects sustained motion (such as in a laptop bag) such that the laptop may shut-off so that the laptop does not overheat or get damaged. The system and method may be configured such that a system administrator may be notified if laptop is being abused. In a similar manner, the history of the percussive impacts or movements may be kept or logged for future use. | 2008-10-16 |
20080253016 | For Digital Information Adapted Memory Arrangement - The present invention refers to a digital information adapted memory arrangement, where said arrangement includes hard disc means and one or more writing and/or reading heads, said hard disc means ( | 2008-10-16 |
20080253017 | APPARATUS FOR RECORDING OR RETRIEVING DATA ON MAGNETIC TAPE - A magnetic tape drive includes a magnetic head configured to read or write data on a magnetic tape, a transport unit configured to drive the magnetic tape past the magnetic head, a speed detector configured to obtain speed information related to a transport speed of the magnetic tape, a vibrator configured to vibrate the magnetic head, and a controller configured to carry out control over the vibrator based upon the speed information obtained by the speed detector. The controller determines whether the transport speed of the magnetic tape is not lower than a predetermined value, based upon the speed information, starts operation of the vibrator in response to a determination that the transport speed is lower than the predetermined value, and stops the operation of the vibrator in response to a determination that the transport speed is not lower than the predetermined value. | 2008-10-16 |
20080253018 | Method for determining read/write head position based on phase detection of a servo pattern - A method determines RW head radial position relative to tracks within a magnetic data disc. This involves sensing both a S-burst signal and a P-burst signal with the RW head. The S-burst signal and P-burst signal are associated with a two-burst servo pattern on the magnetic disc. The S-burst pattern has a phase that remains constant radially across tracks within the magnetic disc. The P-burst has a second phase that rotates radially across tracks within the magnetic disc. By determining a phase difference between a sensed S-burst signal and P-burst signal, it is possible to determine the RW head radial position relative to the tracks on the magnetic disc. | 2008-10-16 |
20080253019 | MAGNETIC MEDIUM STACK ASSEMBLY FOR A DATA STORAGE AND RETRIEVAL SYSTEM - A magnetic medium stack assembly includes a hub, a magnetic medium, and a clamp fixing the magnetic medium to the hub. The hub and clamp include engaging flange members that enable the hub and clamp to lock together without the use of external hardware or an adhesive. The clamp applies a substantially uniform compressive force on the magnetic medium, which helps reduce circumferential acceleration. | 2008-10-16 |
20080253020 | Read/Write Tip, Head and Device, and Use Thereof, and Method for Manufacturing Same - The invention concerns a reading/writing tip configured in the shape of a needle consisting of a core of refractory material covered with a coating of electrically conductive material, and having an outer microscope needle geometry by tunnel effect, to obtain an information concerning a surface through tunnel-effect microscopy The needle emits a charged particle from the layer of electrically conductive material, to form the surface. The tip comprises a reservoir capable of being liquefied to flow along the tip. | 2008-10-16 |
20080253021 | Non-magnetic contact enhancement feature - A transducer having an external contact surface includes a writer and a contact member. The writer has a portion extendable beyond the external contact surface. The contact member surrounds at least a portion of the extendable writer portion. | 2008-10-16 |
20080253022 | MAGNETIC WRITE TRANSDUCER - A magnetic write transducer includes a yoke having a lower pole portion, an upper pole portion, and a First bobbin portion; a first coil turn wrapped around the first bobbin portion of the yoke in a first plane; a second coil turn wrapped around the first bobbin portion of the yoke in a second plane above the first plane; a third coil turn wrapped around the First bobbin portion of the yoke in a third plane above the second plane; and a fourth coil turn wrapped around the first bobbin portion of the yoke in a fourth plane above the third plane. | 2008-10-16 |
20080253023 | COMPOSITE SINGLE STRUCTURED HARD DISK DRIVE - A composite single structured hard disk drive, comprising: a machine casing having a power port and two signal I/O (input/output) ports at an outer surface thereof; an interior of the machine casing having a driving unit which is electrically connected to the power port; the driving unit being able to rotatably drive at least one recoding disk; two read/write modules (R/W modules) being installed, respectively, each R/W module having a rotatable arm set and a dynamic unit connected to the rotatable arm set; one end the rotatable arm set having at least one R/W head at a front end thereof; another end of the rotatable arm set having no the R/W head is connected to the dynamic unit; the dynamic unit being connected to the power port and being controlled by a processor in the substrate in the machine casing. | 2008-10-16 |
20080253024 | MAGNETIC HEAD AND MANUFACTURING METHOD THEREOF - A recording element supported by a slider includes a non-magnetic film and a magnetic pole film. The non-magnetic film has a depression whose inner surface is provided with an amorphous electrode film used as a plating seed film. Above the electrode film, the magnetic pole film is grown by plating. The magnetic pole film may be either an electroplated film grown on the electrode film to have a maximum crystal grain size of 20 nm or less or an electroless plated film. This decreases coercive force of the magnetic pole film. | 2008-10-16 |
20080253025 | METHOD AND APPARATUS FOR PROVIDING AN ADDITIONAL GROUND PAD AND ELECTRIC AL CONNECTION FOR GROUNDING A MAGNETIC RECORDING HEAD - Method and apparatus are presented for electrically coupling a slider to ground. In one embodiment, a bonding pad is provided on a side of the slider body separate from the bonding pad(s) used for read/write signals. This separate bonding pad is electrically coupled within the slider body to components that are to be coupled to ground. A separate conductor provided on the suspension (e.g., a trace, a flex circuit, etc.) may be electrically coupled to the separate bonding pad via gold ball bonding. The conductor is also coupled to ground in the hard-disk drive device (e.g., via the preamplifier). The use of the separated bonding pad and trace may negate the need to use a conductive adhesive to electrically ground the slider via its attachment to the tongue of a slider. | 2008-10-16 |
20080253026 | Method to protect the magnetic recording head from thermal asperities during disk drive operation - A slider mounted read/write head is protected from thermal asperities due to head-disk interactions by a ridge formed along an interfacial plane that extends above the ABS plane of the slider. The ridge is formed as part of a lapping process that is directed from the read/write head towards the slider substrate and uses an abrasive slurry to which may be added a strong base such as KOH. The height of the ridge is less than approximately 2 nm. | 2008-10-16 |
20080253027 | MAGNETIC HEAD, HEAD ASSEMBLY AND MAGNETIC RECORDING / REPRODUCING APPARATUS - The present invention relates to a perpendicular recording magnetic head. A perpendicular recording element includes a main magnetic pole film for emitting a perpendicular magnetic field and is supported by a slider. The main magnetic pole film includes an electrode film and a plated film, the electrode film is an alloy film of at least one element selected from the platinum group and Ni, and the plated film is a magnetic film grown on the electrode film. | 2008-10-16 |
20080253028 | SYSTEM AND APPARATUS FOR VIBRATION DAMPING OF INTEGRATED LEAD SUSPENSIONS IN HIGH DENSITY MAGNETIC STORAGE DEVICES - An integrated lead suspension (ILS) has a constrained layer damper (CLD) that attenuates vibration of the ILS. The CLD may be applied over an already assembled ILS such that the CLD is applied to the cover layer, to the base layer, or to both. Alternatively, the ILS may be encapsulated via a deposition process such that a damping layer is sandwiched between the conductor layer and the cover layer of the ILS, between the conductor layer and the dielectric layer of the ILS, or both. | 2008-10-16 |
20080253029 | Magnetically Preloaded Linear Guide for a Transducer - A transducer for a digital storage apparatus that reads and writes data to a tape as the tape is moved in a tape drive path across the transducer. The transducer comprises a base and a head assembly that is attached to the base and movable relative to the base in a linear path that is perpendicular to the tape drive path. A guide assembly guides the movement of the head assembly that has a track that is partially defined by the head and partially defined by the base. The guide assembly includes at least two balls that are disposed in the track between the base and the head assembly. A magnetic coupling retains the balls within the track. A linear motor operatively engages the head assembly to move the head assembly to follow the tape. A method is provided for retaining a movable head of a transducer on a base of the transducer with a magnetic coupling. | 2008-10-16 |
20080253030 | ROTATIONAL BASED ACTUATOR CONFIGURED TO IMPART LINEAR MOVEMENT - A rotational based actuator configured to impart linear movement. The actuator may be suitable for use in any number of applications where a disk or other feature may be rotated over a wedge to impart linear movement. The forces used to generate the rotation movement may be imparted by the wedge against an element, causing the element to move linearly with the disk. | 2008-10-16 |
20080253031 | Magnetically Preloaded Anti-Rotation Guide for a Transducer - A transducer positioning apparatus is provided that supports a read/write head on a data storage machine and biases the head against rotation. The transducer positioning apparatus may comprise a base that includes a linear drive motor and a support frame to which the read/write head is secured. The support frame is reciprocally driven by the linear drive motor relative to the base. A magnetic coupling is provided between the base and the support frame that resists movement of the frame other than the reciprocal movement of the support frame relative to the base. A method is also disclosed for magnetically biasing a movable head of a transducer against rotation. | 2008-10-16 |
20080253032 | Thin film magnetic head, head gimbal assembly, head arm assembly, magnetic disk device and method of forming thin film magnetic head - A thin film magnetic head is provided, in which thermal protrusion can be suppressed. The thin film magnetic head includes a main magnetic pole layer which conducts a magnetic flux into the recording medium so that the recording medium is magnetized in a direction perpendicular to a surface of the recording medium, a first return yoke layer provided in a trailing side of the main magnetic pole layer, and has a recess in a top surface, a second return yoke layer provided so as to fill at least the recess of the first return yoke layer, and a thermal expansion suppression layer provided in a trailing side of the second return yoke layer. Thus, since the thermal expansion suppression layer can be provided on a surface having no recess, a possibility of a crack in the thermal expansion suppression layer can be eliminated. | 2008-10-16 |
20080253033 | Thin-film magnetic head having electric lapping guide and method of making the same - A magnetic head in which the size of MR height is controlled precisely, a head gimbal assembly and a hard disk drive which are mounted with such a magnetic head, and a method of making a magnetic head in which the size of MR height is controlled precisely. | 2008-10-16 |
20080253034 | Perpendicular magnetic write head, method of manufacturing the same, and magnetic write system - The present invention is directed to providing a perpendicular magnetic write head which can suppress unintended erasure of information written on a write medium at a non-writing time by optimizing a magnetic domain structure of main component elements that are engaged in writing operation. In the perpendicular magnetic write head, an auxiliary magnetic pole layer is disposed on a trailing or leading side of a main magnetic pole layer, the auxiliary magnetic pole layer being recessed from the main magnetic pole layer. When the main magnetic pole layer has a tensile stress as its internal stress, a nonmagnetic layer disposed in a layer same as the auxiliary magnetic pole layer and in an area in front of the auxiliary magnetic pole layer, also has a tensile stress as its internal stress. | 2008-10-16 |
20080253035 | Self-aligned full side shield PMR and method to make it - A process for forming the write pole of a PMR head is described. This write pole is symmetrically located relative to its side shields, This is accomplished, not through optical alignment, but by coating the pole with a uniform layer of non-magnetic material of a predetermined and precise thickness, followed by the formation of the shield layer around this. | 2008-10-16 |
20080253036 | Thin-Film Magnetic Head and Manufacturing Method Thereof - A thin-film magnetic head includes a lower magnetic shield layer, an MR multi-layered structure formed on the lower magnetic shield layer so that current flows in a direction perpendicular to surfaces of laminated layers, and an upper magnetic shield layer formed on the MR multi-layered structure. The lower magnetic shield layer consists of a first soft magnetic layer and a second soft magnetic layer laminated on and magnetically connected with the first soft magnetic layer. A part of an upper surface of the first soft magnetic layer outside both side ends in a track-width direction of the MR multi-layered structure is located lower in height than an upper surface within a region where the MR multi-layered structure is formed, of the lower magnetic shield layer. The second soft magnetic layer is formed outside both side ends in a track-width direction of the MR multi-layered structure. | 2008-10-16 |
20080253037 | Thin-Film Magnetic Head and Manufacturing Method Thereof - A thin-film magnetic head includes a lower magnetic shield layer, an MR multi-layered structure formed on the lower magnetic shield layer so that current flows in a direction perpendicular to surfaces of laminated layers, an insulation layer formed to surround the MR multi-layered structure, an additional metal layer laminated on at least the MR multi-layered structure, an upper electrode layer made of a soft magnetic material laminated on the additional metal layer and the insulation layer, and an upper magnetic shield layer laminated on the upper electrode layer. The additional metal layer has a multi-layered structure including a nonmagnetic metal layer and a soft magnetic layer laminated on the nonmagnetic metal layer, and has a length along a track-width direction of the MR multi-layered structure larger than a width of a magnetization-free layer in the MR effect multi-layered structure. | 2008-10-16 |
20080253038 | Tunneling magnetic sensor including free magnetic layer and magnesium protective layer disposed thereon and method for manufacturing tunneling magnetoresistive sensor - A tunneling magnetic sensor includes a pinned magnetic layer of which the magnetization is pinned in one direction, an insulating barrier layer, and a free magnetic layer of which the magnetization is varied by an external magnetic field, these layers being arranged in that order from the bottom. A first protective layer made of magnesium (Mg) is disposed on the free magnetic layer. The tunneling magnetic sensor has a larger change in reluctance as compared to conventional magnetic sensors including no first protective layers or including first protective layers made of Al, Ti, Cu, or an Ir—Mn alloy. The free magnetic layer has lower magnetostriction as compared to free magnetic layers included in the conventional magnetic sensors. | 2008-10-16 |
20080253039 | MAGNETORESISTIVE EFFECT ELEMENT - A magnetoresistive effect element includes a first ferromagnetic layer formed above a substrate, a second ferromagnetic layer formed above the first ferromagnetic layer, an insulating layer interposed between the first ferromagnetic layer and the second ferromagnetic layer and formed of a metal oxide, and a first nonmagnetic metal layer interposed between the insulating layer and the second ferromagnetic layer and in contact with a surface of the insulating layer on the side of the second ferromagnetic layer, the first nonmagnetic metal layer containing the same metal element as the metal oxide. | 2008-10-16 |
20080253040 | Ablative Plasma Gun - A plasma gun with two gap electrodes on opposite ends of a chamber of ablative material such as an ablative polymer. The gun ejects an ablative plasma at supersonic speed. A divergent nozzle spreads the plasma jet to fill a gap between electrodes of a main arc device, such as an arc crowbar or a high voltage power switch. The plasma triggers the main arc device by lowering the impedance of the main arc gap via the ablative plasma to provide a conductive path between the main electrodes. This provides faster triggering and requires less trigger energy than previous arc triggers. It also provides a more conductive initial main arc than previously possible. The initial properties of the main arc are controllable by the plasma properties, which are in turn controllable by design parameters of the ablative plasma gun. | 2008-10-16 |
20080253041 | Thermal Overload Protection - A thermal overload protection for an electrical device, particularly an electric motor (M), measures a load current supplied to the electrical device (M), and calculates the thermal load on the electrical device on the basis of the measured load current, and shuts off (S | 2008-10-16 |