Patent application number | Description | Published |
20090103421 | Object Lens Actuator, Optical Pickup and Optical Disk Drive - The present invention provides an object lens actuator, an optical pickup, and an optical disk drive, which can increase the size of the object lens actuator driving a lens holder in the tangential tilt direction, and drive and control the lens holder with a small amount of drive current. | 04-23-2009 |
20100149954 | OBJECTIVE LENS ACTUATOR, OPTICAL PICKUP AND OPTICAL DISC DRIVE - An objective lens actuator | 06-17-2010 |
20100322061 | OPTICAL PICKUP DEVICE - There is provided a low-cost and reliable optical pickup device, wherein an objective lens is in contact with an adhesive at least one or more portions and fixed to the adhesive and also the height of the adhesive for fixing the objective lens is higher than the surface of the objective lens or the end of the objective lens, thereby a sufficient adhesive strength is secured between the objective lens and a member to which the objective lens is adhered and further this adhesive serves also as a disc protector. | 12-23-2010 |
20110149713 | OBJECTIVE LENS DRIVE DEVICE AND OPTICAL PICKUP - In an optical pickup equipped with a semiconductor laser, electro-optical components such as a lens, and an objective lens drive device, the objective lens drive device includes objective lenses, a holder holding the objective lenses, a focusing coil, and tracking coils. The focusing coil is wound in parallel to the optical surface of the objective lens, and formed in a parallelogram shape having inclined portions provided near the tracking coils. The two tracking coils are placed on diagonal portions of the lens holder. | 06-23-2011 |
20110182166 | OPTICAL PICKUP - An optical pickup that can be downsized is suggested. | 07-28-2011 |
20110185375 | OBJECTIVE LENS DRIVING APPARATUS, OPTICAL PICKUP - High-performance and reliable objective lens driving apparatus and optical pickup wherein the tilt of an objective lens relative to an optical disc is suppressed are provided. The optical pickup is equipped with a semiconductor laser, an electro-optic component, and the objective lens driving apparatus. In this optical pickup, the objective lens driving apparatus is comprised of: a moving part including an objective lens, a holder that holds the objective lens, a focusing coil, and a tracking coil; a holding member for elastic support members that couples together multiple elastic support members providing elastic support on a fixed part and the moving part and is mounted on the moving part; the elastic support members that elastically support the moving part from the fixed part; and the fixed part. The holding member for elastic support members mounted on the moving part and the holder that holds the objective lens are joined together by fitting together a concavity and a convexity. | 07-28-2011 |
20110216641 | OPTICAL PICK-UP - In an optical pick-up used in common with DVD/CD and BD, when the thickness is intended to be reduced by mounting a total reflection mirror, a cavity for passing through a laser light is necessary and, since this decreases the degree of freedom for arranging tracking coils and magnets and secondary resonance caused by a magnetic thrust in the tracking direction tends to be generated, an improvement therefor is necessary. In a lens coil holder of the optical pick-up having an objective lens and tracking coil mounted thereon each of the coils is arranged such that the thrust relative to the vertical center of the suspension wires that support the lens coil holder is well balanced. For example, most of the portion of the tracking coils is situated at one height relative to the suspension wire and the tilt coil is situated at the other remaining height. | 09-08-2011 |
20110247021 | OPTICAL PICKUP - In an optical pickup for use in an optical disc device, wire rods are wound directly around a lens-coil holder to make tracking coils and focus coils. The lens-coil holder is divided into three holders, one of which holds an optical lens thereon and has on its sides wire-winding protrusions for wiring wire rods therearound to make tracking coils. The remaining holders have focus coils that are wound therearound. Alternatively, the lens-coil holder is divided into two holders, one of which has on its sides wire-winding protrusions for wiring wire rods therearound to make tracking coils. The remaining holder holds an optical lens thereon and has focus coils that are wound therearound. The lens-coil holder has a cavity for letting pass through a laser beam emitted in parallel to an optical disc surface. | 10-06-2011 |
20120127845 | OPTICAL PICKUP - An optical pickup includes an objective lens, a lens holder which holds the objective lens, a focusing coil attached to the lens holder having the winding axis directed at the optical axis of the objective lens, and a magnet provided opposite the side surface of the lens holder. A protruding portion is attached to the side surface of the lens holder at a side apart from the objective lens with respect to the optical axis direction of the objective lens farther than the focusing coil. | 05-24-2012 |
20120260273 | OPTICAL PICKUP - An optical pickup includes a lens moving mechanism constructed of a lens, a lens holder holding the lens, a guide member guiding the lens holder, a lead screw including a thread groove, a motor rotating the lead screw, and a rack gear including a body fixed to the lens holder and claws fitted into the thread groove of the lead screw, in which an arm connecting the body and the claws of the rack gear is formed so that the shape of a cross section perpendicular to the rotational axis direction of the lead screw is a convex shape, a recess shape or a wave-shape. | 10-11-2012 |
20120297403 | OPTICAL PICKUP - An optical pickup whose thickness is small and power consumption is low is provided, in which these advantages are achieved by increasing the driving force generated in the tilt coil in an objective lens driving apparatus and by making the thickness of the objective lens driving apparatus to be small. | 11-22-2012 |
20130322056 | LIGHT SOURCE DEVICE AND IMAGE DISPLAY APPARATUS - A light source device and an image display apparatus include a Blue Laser Diode (B-LD) light source unit, a dichroic mirror to reflect substantially collimated Blue (B) light from the B-LD light source unit, a lens to focus the B light reflected by the dichroic mirror, and a color wheel comprising a Green (G) fluorescent section which is excited by the collimated B light to emit and to reflect G light and a B mirror reflector to mirror-reflect the B light, wherein a center of a light flux of the B light reflected by the dichroic mirror is on other than an optical axis of the lens. | 12-05-2013 |
Patent application number | Description | Published |
20130182547 | OPTICAL DISK DEVICE AND OPTICAL PICKUP THEREFOR - When an optical pickup used for an optical disk device is formed, the optical pickup includes a stepping motor which drives a lens used to correct for spherical aberration, and the stepping motor is mounted in such a manner that the stepping motor is exposed at a surface (upper part) where the stepping motor faces the optical disk. In addition, the stepping motor is mounted in such a manner that the stepping motor is exposed at a surface (lower part) opposite the surface where the stepping motor faces the optical disk. | 07-18-2013 |
20130182551 | OPTICAL DISK DEVICE AND OPTICAL PICKUP THEREFOR - When an optical pickup used an optical disk device is formed, a PWB (Printed Wiring Board) which serves as a top cover is used at at least a part of a surface of a housing which houses the optical pickup, the surface facing an optical disk. The PWB (Printed Wiring Board) is adapted to seal components inside the optical pickup, and to reduce the flexure of FPC (Flexible Printed Circuits). Moreover, the printed wiring board is provided with a connector which allows the connection of FPC for connection to circuits outside the optical pickup. | 07-18-2013 |
20130188467 | OPTICAL PICKUP - An optical pickup which excels in assembly workability and which can increase the drive force generated in a focusing coil is provided. The optical pickup has an objective lens, a lens holder holding the objective lens, and a first and a second focusing coil wound around the lens holder. The first focusing coil includes an upper part wound about a central axis extending in parallel with an optical axis of the objective lens and a lower part connected to the upper part. The second focusing coil includes an upper part wound, in a wiring system separate from the first focusing coil, about a central axis extending in parallel with the optical axis of the objective lens and a lower part connected to the upper part. | 07-25-2013 |
20130194905 | OPTICAL PICKUP AND OPTICAL DISK DEVICE USING OPTICAL PICKUP - In an optical pickup for an optical disk device using BD, DVD and CD as recording media, simplification of constitutional elements is promoted. The optical pickup includes a dual wavelength type laser beam source generating laser beams for DVD and CD, a single wavelength type laser beam source generating a laser beam for BD, and a first wave plate converting the laser beam for BD generated from the laser beam source concerned into circular polarization. It further includes a second wave plate converting the laser beam for DVD generated from the dual wavelength type laser beam source into 45-degree linear polarization. Favorable recording and reproduction are performed by radiating the laser beam to the recording medium concerned as the circular polarization for BD and the 45-degree linear polarization for DVD. | 08-01-2013 |
Patent application number | Description | Published |
20120028141 | PHOTOELECTROCHEMICAL CELL AND ENERGY SYSTEM USING THE SAME - A photoelectrochemical cell ( | 02-02-2012 |
20120156578 | PHOTOELECTROCHEMICAL CELL AND ENERGY SYSTEM USING SAME - A photoelectrochemical cell ( | 06-21-2012 |
20120237842 | OPTICAL SEMICONDUCTOR AND METHOD FOR PRODUCING THE SAME, OPTICAL SEMICONDUCTOR DEVICE, PHOTOCATALYST, HYDROGEN PRODUCING DEVICE, AND ENERGY SYSTEM - The method for producing the optical semiconductor of the present disclosure includes a mixing step of producing a mixture containing a reduction inhibitor and a niobium compound that contains at least oxygen in its composition; a nitriding step of nitriding the mixture by the reaction between the mixture and a nitrogen compound gas; and a washing step of isolating niobium oxynitride from the material obtained through the nitriding step by dissolving chemical species other than niobium oxynitride with a washing liquid. The optical semiconductor of the present disclosure substantially consists of niobium oxynitride having a crystal structure of baddeleyite and having a composition represented by the composition formula, NbON. | 09-20-2012 |
20120276464 | Photoelectrochemical Cell and Energy System Using Same - A photoelectrochemical cell ( | 11-01-2012 |
20120292618 | OPTICAL SEMICONDUCTOR, OPTICAL SEMICONDUCTOR ELECTRODE USING SAME, PHOTOELECTROCHEMICAL CELL, AND ENERGY SYSTEM - The optical semiconductor of the present invention is an optical semiconductor containing In, Ga, Zn, O and N, and has a composition in which a part of oxygen (O) is substituted by nitrogen (N) in a general formula: In | 11-22-2012 |
20130075250 | HYDROGEN PRODUCTION DEVICE - The hydrogen production device of the present invention includes: a first electrode ( | 03-28-2013 |
20130192984 | NbON FILM, METHOD FOR PRODUCING NbON FILM, HYDROGEN GENERATION DEVICE, AND ENERGY SYSTEM PROVIDED WITH SAME - The NbON film of the present invention is a NbON film in which a photocurrent is generated by light irradiation. The NbON film of the present invention is desirably a single-phase film. The hydrogen generation device ( | 08-01-2013 |
20130316254 | ENERGY SYSTEM - An energy system includes an solar hydrogen producing unit ( | 11-28-2013 |
20140004435 | PHOTOELECTRODE AND METHOD FOR PRODUCING SAME, PHOTOELECTROCHEMICAL CELL AND ENERGY SYSTEM USING SAME, AND HYDROGEN GENERATION METHOD | 01-02-2014 |
20140057187 | NIOBIUM NITRIDE AND METHOD FOR PRODUCING SAME, NIOBIUM NITRIDE-CONTAINING FILM AND METHOD FOR PRODUCING SAME, SEMICONDUCTOR, SEMICONDUCTOR DEVICE, PHOTOCATALYST, HYDROGEN GENERATION DEVICE, AND ENERGY SYSTEM - The present invention is a niobium nitride which has a composition represented by the composition formula Nb | 02-27-2014 |
20140072891 | HYDROGEN PRODUCING CELL, HYDROGEN PRODUCING DEVICE, AND ENERGY SYSTEM INCLUDING THE HYDROGEN PRODUCING DEVICE - A hydrogen producing cell of the present invention is provided with an electrolyte supply hole, an electrolyte discharge hole, a first hydrogen circulation hole and a second hydrogen circulation hole respectively penetrating a housing. In disposing the hydrogen producing cell, the electrolyte supply hole is arranged on a vertically upper side than the electrolyte discharge hole, the first hydrogen circulation hole is arranged on a vertically upper side than the electrolyte supply hole, and the second hydrogen circulation hole is arranged on a vertically upper side than the electrolyte discharge hole. By this configuration, it is possible to considerably reduce the length of a pipe and the number of manifolds concerning the electrolyte and hydrogen, and to link the hydrogen producing cells with one another simply and rationally. | 03-13-2014 |
20150021208 | MEASURING METHOD FOR BIOLOGICAL SUBSTANCE AND MEASURING DEVICE THEREFOR - Provided is a measuring method for a biological substance, a measuring chip, and a measuring device which exhibit improved electrical responsiveness and reliability. For example, the device or chip provided for measuring the amount of a biological substance in a liquid being measured comprises immobilized antibodies, a substance that is labeled with an ion-conductive compound and that is bonded to the antibodies, and an electrode containing a working electrode and a counter electrode, and the working electrode has a thin film on the surface thereof that contains a hydrocarbon group. | 01-22-2015 |
20150072254 | HYDROGEN PRODUCING DEVICE AND HYDROGEN PRODUCING UNIT AND ENERGY SYSTEM INCLUDING THE HYDROGEN PRODUCING DEVICE AND THE HYDROGEN PRODUCING UNIT - In a hydrogen producing device, an electrolyte flow path between a plurality of hydrogen producing cells is disposed in a hydrogen production side and in an oxygen production side, separately. Further, an electrolyte flow path is formed through which the electrolyte flows downward from the top between the plurality of hydrogen producing cells, and on the other hand the electrolyte flows upward from the bottom within each hydrogen producing cell. Moreover, a contact point with a produced gas or an atmosphere is provided in a pathway of the electrolyte flow path. | 03-12-2015 |
20150073164 | METHOD FOR ADSORBING CARBON DIOXIDE ONTO POROUS METAL-ORGANIC FRAMEWORK MATERIALS, METHOD FOR COOLING POROUS METAL-ORGANIC FRAMEWORK MATERIALS, METHOD FOR OBTAINING ALDEHYDE USING POROUS METAL-ORGANIC FRAMEWORK MATERIALS, AND METHOD FOR WARMING POROUS METAL-ORGANIC FRAMEWORK MATERIALS - The present invention provides a method for adsorbing carbon dioxide onto porous metal-organic framework materials, a method for cooling porous metal-organic framework materials, a method for obtaining aldehyde using porous metal-organic framework materials and a method for warming porous metal-organic framework materials. In each method, porous metal-organic framework materials are used while an electric field or an electromagnetic field is applied to the porous metal-organic framework materials, or while a magnetic field or an electromagnetic field is applied to the porous metal-organic framework materials. If an electric field is applied, at least one organic compound included in the porous metal-organic framework materials is a polar compound. Instead, if a magnetic field is applied, at least one metal included in the porous metal-organic framework materials has an unpaired electron. | 03-12-2015 |
20150083605 | SEMICONDUCTOR PHOTOELECTRODE AND METHOD FOR SPLITTING WATER PHOTOELECTROCHEMICALLY USING PHOTOELECTROCHEMICAL CELL COMPRISING THE SAME - Provided is a semiconductor photoelectrode comprising a conductive substrate; a first semiconductor photocatalyst layer provided on a surface of the conductive substrate; a second semiconductor photocatalyst layer provided on a surface of the first semiconductor photocatalyst layer. The semiconductor photoelectrode has a plurality of pillar protrusions on the surface thereof. A surface of each of the pillar protrusions is formed of the second semiconductor photocatalyst layer. | 03-26-2015 |
20150111118 | PHOTOELECTROCHEMICAL CELL AND HYDROGEN GENERATION METHOD USING THE SAME - The present invention provides a photoelectrochemical cell. The photoelectrochemical cell comprises a semiconductor photoelectrode which functions as a cathode electrode; a counter electrode which functions as an anode electrode; an electrolyte aqueous solution which is in contact with surfaces of the semiconductor photoelectrode and the counter electrode; and a container containing the semiconductor photoelectrode, the counter electrode, and the electrolyte aqueous solution. The semiconductor photoelectrode includes: a first conductive layer; an n-type semiconductor layer disposed on the first conductive layer; and a second conductive layer which completely covers a surface of the n-type semiconductor layer. The counter electrode is electrically connected to the first conductive layer. The second conductive layer is light-transmissive. The second conductive layer functions as a light incident surface. | 04-23-2015 |
20150111119 | SEMICONDUCTOR PHOTOELECTRODE, PHOTOELECTROCHEMICAL CELL, HYDROGEN GENERATION METHOD, AND ENERGY SYSTEM - Provided is a semiconductor photoelectrode comprising a first conductive layer; a first n-type semiconductor layer disposed on the first conductive layer; and a second conductive layer covering the first n-type semiconductor layer. The first n-type semiconductor layer has a first n-type surface region and a second n-type surface region. The first n-type surface region is in contact with the first conductive layer. The second n-type surface region is in contact with the second conductive layer. The first n-type semiconductor layer is formed of at least one selected from the group consisting of a nitride semiconductor and an oxynitride semiconductor. The second conductive layer is light-transmissive. The second conductive layer is formed of a p-type oxide conductor. | 04-23-2015 |
20150243443 | PHOTOSEMICONDUCTOR ELECTRODE, PHOTOELECTROCHEMICAL CELL, AND ENERGY SYSTEM - A photosemiconductor electrode ( | 08-27-2015 |
20150295263 | SOLID OXIDE FUEL CELL AND ELECTROLYSIS DEVICE - The present invention provides a fuel cell comprising a cathode, an electrolyte membrane, and an anode. The electrolyte membrane is sandwiched between the cathode and the anode. The cathode is formed of a first proton conductor represented by the following chemical formula A | 10-15-2015 |
20150322577 | METHOD FOR GENERATING HYDROGEN BY WATER SPLITTING, AND PHOTOELECTROCHEMICAL CELL AND SEMICONDUCTOR ELECTRODE USED THEREFOR - The present invention provides a method for generating hydrogen by water splitting at a higher hydrogen generation efficiency. In the present method, used is a photoelectrochemical cell comprising a container, a liquid stored in the container, a semiconductor electrode contained in the container, and a counter electrode contained in the container. The semiconductor electrode comprises a first semiconductor layer, a light-transmissive conductor layer; and a second semiconductor layer. | 11-12-2015 |
20150329976 | METHOD FOR GENERATING HYDROGEN AND HYDROGEN GENERATION DEVICE USED THEREFOR - Provided is a method for generating hydrogen. The method comprising (a) preparing a hydrogen generation device comprising a container, a photo-semiconductor electrode comprising a substrate, a light-blocking first conductive layer, and a first semiconductor photocatalyst layer, a counter electrode, a conductive wire for electrically connecting the first conductive layer to the counter electrode, and a liquid stored in the container, and (b) irradiating the first semiconductor photocatalyst layer with light to generate hydrogen on the counter electrode. The first conductive layer is interposed between the substrate and the first semiconductor photocatalyst layer. At least a part of the first semiconductor photocatalyst layer is in contact with the liquid. At least a part of the counter electrode is in contact with the liquid. The liquid is selected from the group consisting of an electrolyte aqueous solution and water. The substrate is formed of a resin. | 11-19-2015 |
Patent application number | Description | Published |
20100310985 | POSITIVE RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN - A positive resist composition including a base component, an acid-generator component and a fluorine-containing polymer component (F) in a specific amount, the fluorine-containing polymer component (F) including a fluorine-containing polymer (F1) consisting of a structural unit (F-1) represented by general formula (F-1) (R | 12-09-2010 |
20110039207 | RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN - A resist composition that includes a base component (A) that exhibits changed solubility in an alkali developing solution under the action of acid, an acid generator component (B) that generates acid upon exposure, and an epoxy resin (G). Also, a method of forming a resist pattern that includes using the above resist composition to form a resist film on the substrate, conducting exposure of the resist film, and alkali-developing the resist film to form a resist pattern. | 02-17-2011 |
20130157197 | RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN AND COMPOUND - A resist composition comprising: a base component (A) that exhibits changed solubility in a developing solution by the action of acid; a photoreactive quencher (C); and an acid-generator component (B) that generates acid upon exposure, wherein the photoreactive quencher (C) contains a compound represented by general formula (c1) shown below. In the formula, R | 06-20-2013 |
20130189619 | RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN - A resist composition containing a base component (A) that exhibits changed solubility in a developing solution under action of acid, a photoreactive quencher (C), and an acid generator component (B) that generates acid upon exposure, and further containing an acid (G) having a pKa of 4 or less. | 07-25-2013 |
20130209941 | METHOD OF FORMING PATTERN - A method of forming a pattern including applying a resist composition to a substrate to form a resist film, and then subjecting the resist film to exposure and development, thereby forming a first pattern containing a resist film; forming a SiO | 08-15-2013 |
20130224658 | RESIST COMPOSITION AND METHOD OF FORMING RESIST PATTERN - A resist composition including: a base component (A) that exhibits changed solubility in a developing solution by the action of acid; a photoreactive quencher (C); and an acid generator component (B) that generates acid upon exposure, wherein the photoreactive quencher (C) contains a compound (C) represented by general formula (c1) shown below. In the formula, X represents a cyclic group of 3 to 30 carbon atoms which may have a substituent; R | 08-29-2013 |
20130344435 | RESIST COMPPOSITION AND METHOD OF FORMING RESIST PATTERN - A resist composition which generates acid upon exposure and exhibits changed solubility in a developing solution by the action of acid, and which includes a base component which exhibits changed solubility in a developing solution by the action of acid, and a nitrogen-containing compound which has a boiling point of 50 to 200° C., a conjugate acid thereof having a pKa of 0 to 7, and a photodecomposable base; and a method of forming a resist pattern using the resist composition. | 12-26-2013 |
20140356787 | RESIST COMPOSITION, COMPOUND, POLYMERIC COMPOUND AND METHOD OF FORMING RESIST PATTERN - A resist composition comprising a compound (m0) (wherein Rb | 12-04-2014 |
20140357896 | SULFONIUM SALT AND PHOTO-ACID GENERATOR - Provided is a novel sulfonium salt that has high solubility in a solvent and has high light sensitivity to, especially, light having a wavelength not longer than deep-UV (254 nm) and a novel photo-acid generator comprising the sulfonium salt. The invention relates to a sulfonium salt represented by the following general formula (1) and a novel photo-acid generator comprising the sulfonium salt. | 12-04-2014 |