Patent application number | Description | Published |
20090171061 | PHENOL RESIN AND RESIN COMPOSITION - The present invention provides a phenol resin having, as a unit in its main-chain skeleton, a structure represented by the following general formula (I), as well as a resin composition using the same. According to the phenol resin of the invention, epoxylation thereof, chemical modification thereof, reaction thereof with an epoxy resin, and the like are facilitated. Phenol resins ranging from low-molecular-weight resins rich in fluidity to high-melting resins can be synthesized, and these phenol resins are industrially useful. When the phenol resin of the present invention is used as a hardening agent for epoxy resin etc., its resin composition can give a cured product of high Tg without deteriorating adhesiveness. | 07-02-2009 |
20150144835 | PHENOLIC RESIN COMPOSITION - Provided is a phenolic resin composition containing: an epoxy resin curing agent that contains a hydroxybenzene derivative represented by the following Formula (I) and a phenol resin having at least one partial structure selected from the group consisting of the following Formulae (IIa), (IIb), (IIc) and (IId); and an epoxy resin. In these Formulae, each of R | 05-28-2015 |
Patent application number | Description | Published |
20100229820 | Internal Combustion Engine Piston - An internal combustion engine piston includes a piston crown, a thrust-side skirt, an anti-thrust-side skirt, a first apron, and a second apron. The first and second aprons are connected to the thrust-side and anti-thrust-side skirts through connecting sections. Each connecting section has a thickness that gradually increases as followed from a proximal longitudinal end to a distal longitudinal end, wherein the proximal longitudinal end is closer to the piston crown, and the distal longitudinal end is closer to a distal longitudinal end of a corresponding one of the thrust-side and anti-thrust-side skirts. | 09-16-2010 |
20120227701 | Internal Combustion Engine Piston - An internal combustion engine piston includes a piston crown, a thrust-side skirt, an anti-thrust-side skirt, a first apron, and a second apron. The first and second aprons are connected to the thrust-side and anti-thrust-side skirts through connecting sections. Each connecting section has a thickness that gradually increases as followed from a proximal longitudinal end to a distal longitudinal end, wherein the proximal longitudinal end is closer to the piston crown, and the distal longitudinal end is closer to a distal longitudinal end of a corresponding one of the thrust-side and anti-thrust-side skirts. | 09-13-2012 |
Patent application number | Description | Published |
20090122419 | LENS DRIVE DEVICE AND COIL WINDING METHOD - A lens drive device may include a movable body, a support body supporting the movable body through a spring member, and a magnetic drive mechanism provided with a coil. The movable body includes a coil winding part, end parts for restricting a range of the coil winding part, and a changing part for changing a drawing direction of the coil. The spring member is disposed near the other end part of the movable body and electrically connected with winding start and winding end of the coil. A coil winding method for the lens drive device may include a drawing step in which a coil is drawn between end parts, a changing step in which a drawing direction of the coil is changed by the changing part, and a winding step in which the coil is wound around the coil winding part. | 05-14-2009 |
20090122420 | LENS DRIVE DEVICE, SPRING MEMBER AND MANUFACTURING METHODS THEREFOR - A lens drive device may include a movable body movable in an optical axis direction, a support body supporting the movable body through a spring member which may include spring pieces electrically separated from each other, formed with a coil connecting part to which one of a winding start part and a winding end part of the coil is electrically connected. The movable body is provided with an accommodating part for accommodating the coil connecting part. The spring member may include a plate spring-shaped arm part connecting a support body side fixing part with a movable body side fixing part and the arm part is provided with a laser cut portion formed by a laser in a part of an edge part of the arm part. An edge part of the arm part except the laser cut portion may be a cut portion formed by press working or etching processing. | 05-14-2009 |
20090251808 | LENS DRIVING APPARATUS - In the lens driving apparatus having a sleeve, a support body (such as a yoke) that supports the sleeve via a spring member), coils attached to the sleeve, and magnets attached to the support body, the support body is provided with a yoke and a cover portion, the yoke being formed with a light-entrance window for collecting light reflected from a subject and the cover portion being attached to the inside of the light-entrance window; the cover portion, the spring member, and the magnets are arranged so that they are layered in this order from the light-entrance window, and the cover portion is formed of a non-magnetic material. | 10-08-2009 |
20090303621 | LENS DRIVING APPARATUS - A lens driving apparatus is disclosed. The lends driving apparatus may include a movable body holding lenses, a fixed body in which the movable body is mounted and movably along the lens optical axis direction, and a drive mechanism that moves the movable body in the lens optical axis direction. The drive mechanism may be equipped with a coil that is held by the movable body or the fixed body, a magnet that is held by the other body of the movable body and the fixed body, and a regulatory means that regulates the movement of the movable body which is induced by an electromagnetic force generated when current is passed through the coil. The coil may be opposed to the magnet in the lens optical direction. | 12-10-2009 |
20100060774 | LENS DRIVE DEVICE - A lens drive device may include a movable lens body provided with a lens and a drive mechanism for moving the movable lens body in an optical axis direction of the lens. The drive mechanism may include a drive coil, a magnet comprised of a plurality of magnet pieces, and a holder body which holds the magnet. The magnet may be disposed so that predetermined gap spaces are formed between opposite end faces of the plurality of magnet pieces, and the respective magnet pieces may be adhesively bonded and fixed to the holder body by using a first adhesive means, and a second adhesive means may be disposed in the gap spaces and between the end faces of the magnet pieces. | 03-11-2010 |
20100271717 | LENS DRIVING DEVICE - A lens driving device for use with a lens to photograph or image an object to be photographed or imaged may include a moving member holding the lens and made movable in the direction of an optical axis, and a supporting member for supporting the moving member through a spring member, wherein the lens is displaced and driven in the optical axis direction thereby to focus the image of the object. The supporting member may include a yoke having a cover portion having an entrance window for introducing the reflected light from the object into the lens, and a case portion for covering the outer circumference of the moving member. The cover portion and the case portion are formed integrally with each other. | 10-28-2010 |
20110205648 | LENS DRIVE DEVICE - A lens drive device formed in a substantially quadrangular shape may include a movable body holding a lens, a fixed body movably holding the movable body, and a drive mechanism for driving the movable body in the optical axis direction. The drive mechanism may include first drive magnets respectively disposed on four side faces of the lens drive device, a second drive magnet for restraining inclination which is disposed on at least one of four corners of the lens drive device, and a drive coil which is wound around in a substantially octagonal shape. Magnetic flux passing through the drive coil at one of the four corners of the lens drive device is different from magnetic fluxes passing through the drive coil at the other three corners, or magnetic fluxes passing through the drive coil at two corners adjacent to each other of the four corners of the lens drive device are different from magnetic fluxes passing through the drive coil at the other two corners. | 08-25-2011 |
20110235198 | LENS DRIVE DEVICE - A lens drive device may include a support body, a movable body which holds a lens, a magnetic drive mechanism which drives the movable body, a spring member provided with an arm part whose both ends are connected with the movable body and the support body. Only one piece of the spring member may be disposed between an end part on one side in a lens optical axis direction of the movable body and the support body. A displacement prevention mechanism may be structured at an end part on the other side in the lens optical axis direction of the movable body. The displacement prevention mechanism may include a protruded part and a recessed part. | 09-29-2011 |
20120120512 | LENS DRIVE DEVICE - A lens drive device may include a front side spring member which is connected between a movable body having a lens and a support body. The front side spring member includes a support body side connecting part, a movable body side connecting part and a arm part connected between the support body side connecting part and the movable body side connecting part. The support body includes a yoke having a yoke front plate part and the yoke front plate part is formed with a yoke opening part which is overlapped with at least a part of the front side spring member. Damper material having viscoelasticity is provided, for example, on a portion extending over the movable body side connecting part and the arm part and overlapped with the yoke opening part in the lens optical axis direction. Therefore, the damper material can be applied to the front side spring member through the yoke opening part in the final stage of assembling steps. | 05-17-2012 |
20120236422 | LENS DRIVE DEVICE AND MANUFACTURING METHOD THEREFOR - A lens drive device may include a movable body holding a lens and movable in an optical axis direction of the lens, a fixed body movably holding the movable body, a drive mechanism for driving the movable body, and a board on which an imaging element is mounted and which is fixed on an opposite-to-object side of the fixed body. An opposite-to-object side end face of the fixed body is formed with a plurality of projections which are abutted with a mounting face of the board on which the imaging element is mounted for correcting inclination of an optical axis of the lens with respect to the imaging element. | 09-20-2012 |
20140375147 | ACTUATOR - An actuator may include a drive coil, a drive magnet part, a coil holding body and a magnet holding body. The coil holding body may include a tube part around which the drive coil is wound, and the drive magnet part may include two drive magnet pieces whose opposed faces are magnetized in the same magnetic pole. The coil holding body may be linearly and relatively movable to the magnet holding body. The magnet holding body may include an opening part formed in one of the two end face parts structuring the magnet holding body. The coil holding body may include a protruded part which is protruded to an outer side through the opening part, the protruded part may formed so as to extend over the tube part, and a flat part in a flat face shape may be formed in the protruded part. | 12-25-2014 |
Patent application number | Description | Published |
20090047501 | EASY-OPEN END - An easy-open end comprising a resin-coated metal plate obtained by coating a metal substrate with a anti-blocking agent-containing biaxially drawn film via a primer, wherein an important feature resides in that the anti-blocking agent in the biaxially drawn film is of a spherical shape having an average particle size of 0.5 to 2.5 μm and an average particle size ratio (long diameter/short diameter) in a range of 1.0 to 1.2, and is contained at a ratio of 0.05 to 0.5% by weight in the biaxially drawn film. Even without forming a top-coat layer, therefore, the film is not scratched or the forming-tool is not damaged by the anti-blocking agent that adheres and deposits on the forming tool. Besides, the resin coating favorably adheres to the metal plate offering excellent advantage in production and in economy. | 02-19-2009 |
20090047524 | EASY OPEN ENDS THAT CAN BE FAVORABLY OPENED AT HIGH TEMPERATURES - An easy open end comprising a resin-coated metal plate obtained by coating a metal substrate with a polyester film via a primer, wherein the primer comprises an epoxy resin or a polyester resin and a resole-type phenol resin, and the resole-type phenol resin has 0.2 to 2.0 methylol groups per a benzene ring. The end can be lightly opened without causing defect at the time of opening the end by pushing in the end of a tab and cutting the score and, particularly, can be excellently opened at high temperatures without arousing the problem even in a state of being heated at high temperatures featuring excellent corrosion resistance, resistance against the content and retort resistance. | 02-19-2009 |
20090220714 | RESIN-COATED SEAMLESS ALUMINUM CAN AND RESIN-COATED ALUMINUM ALLOY LID - The present invention provides a resin coated seamless aluminum can and a resin coated aluminum can lid having adhesiveness and corrosion resistance by applying a non-chromium chemical conversion coated film to an aluminum alloy sheet and by applying an organic resin layer to the non-chromium chemical conversion coated film. For this end, an organic-inorganic composite surface treated layer containing 2 to 20 mg/m | 09-03-2009 |
Patent application number | Description | Published |
20100061013 | Ceramic Sinter, Magnetic Head Substrate Using the Same, Magnetic Head and Recording Medium Drive Unit - Greater emphasis has been placed on smoothness of the floating surface for the applications with floating height of 10 nm or less. To obtain a smooth floating surface, it must be polished with diamond abrasive having a mean particle size of 0.1 μm or less, and conventional ceramic sintered body has poor machinability and it is impossible to use the magnetic heads made of this ceramic sintered body at a floating height of 10 nm or less. | 03-11-2010 |
20110201491 | Dielectric Ceramic, and Resonator Using the Same - Provided is a dielectric ceramic containing yttrium, manganese, and aluminum, and having a composition formula expressed by αBaO.βNd | 08-18-2011 |
20130127568 | DIELECTRIC CERAMIC AND DIELECTRIC FILTER UTILIZING SAME - A dielectric ceramic includes a main crystal phase containing Ba, Nd and Ti; and a remainder, part of Ti contained in the main crystal phase being substituted with Al, a content of the Al contained in the main crystal phase to a total content of Al in the main crystal phase and the remainder being greater than or equal to 10% on Al | 05-23-2013 |
20130225392 | CORDIERITE CERAMIC, AND MEMBER FOR SEMICONDUCTOR MANUFACTURING DEVICES WHICH COMPRISES SAME - A cordierite ceramic contains a main component having a composition including Mg of 12.6% by mass or more and 14.0% by mass or less in terms of an oxide, Al of 33.4% by mass or more and 34.4% by mass or less in terms of an oxide and Si of 52.0% by mass or more and 53.6% by mass or less in terms of an oxide, an accessory component having any one of Y, Yb, Er, and Ce in an amount of 4.5% by mass or more and 15.0% by mass or less in terms of an oxide based on 100% by mass of the main component, wherein cordierite, disilicate and spinel are present as crystal phases, a coefficient of thermal expansion of −120 ppb/° C. to +120 ppb/° C., a four-point bending strength of 170 MPa or more, a low thermal expansion performance and an excellent mechanical strength. | 08-29-2013 |