Patent application number | Description | Published |
20080298207 | Reproduction Device and Reproduction Method - Reproduction reference light is irradiated on a hologram recording medium on which imaged digital data are recorded as a plurality of element holograms in the form of interference fringes obtained by interference between object light of the digital data and recording reference light. Then, a reproduction image obtained from the hologram recording medium by the irradiation of the reproduction reference light is detected. Then, readout data are produced based on the detected reproduction image. Thereafter, it is discriminated whether or not the readout data should be stored into a memory, and the readout data are stored into the memory in response to a result of the discrimination. Where a predetermined amount or more of the data is accumulated in the memory, reproduction data are produced from the readout data accumulated in the memory and then reproduced. | 12-04-2008 |
20090290466 | OPTICAL DISC APPARATUS, METHOD OF CONTROLLING THE SAME, AND INFORMATION STORAGE MEDIUM - An optical disc apparatus includes an optical pickup for outputting an output signal according to reflected light from an optical disc medium, measures a level of a reflected signal corresponding to reflected light from a medium surface prior to reading of information recorded on the medium, predicts, based on the measured level of the reflected signal, whether or not the reflected signal from the medium surface will satisfy a predetermined detection condition when a focus state is to be detected, and uses a result of the predicting to detect a state where the output signal satisfies the predetermined detection condition as a state where a focus of an objective lens included in the optical pickup is on a signal surface of the medium while relatively moving the objective lens with respect to the medium surface when the information recorded on the medium is to be read therefrom. | 11-26-2009 |
20150134341 | DISPLAY CONTROL APPARATUS, DISPLAY CONTROL METHOD, PROGRAM, AND INFORMATION STORAGE MEDIUM - A display control apparatus includes: a voice message acceptance block configured to accept a voice message; an option identification block configured to identify, from among a plurality of options related with information indicative of voice messages, in accordance with acceptance of a voice message by the voice message acceptance block, an option of attention that is an option related with information indicative of the accepted voice message and an alternative option other than this option of attention identified on the basis of the information indicative of this voice message or this option of attention; and a display control block configured to display information indicative that the option of attention is in a selected state and information indicative of a voice message by which the option identification block identifies the alternative option as the option of attention in accordance with the acceptance by the voice message acceptance block. | 05-14-2015 |
20150193017 | OPERATING DEVICE - An operating device includes: right and left hold sections to be held by a user, the right and left hold sections provided with first operating members; and a central section interconnecting the right and left hold sections. The operating device has a second operating member forming an upper surface of the central section. The second operating member includes a touch sensor located between the first operating members of the right and left hold sections, and is so supported as to be capable of vertical movement in response to a user s pressing-down operation. The second operating member is plate-like in shape, so that user s fingers can easily reach the second operating member in a condition where the user is holding the hold sections. As a result, operability of the operating device can be enhanced. | 07-09-2015 |
Patent application number | Description | Published |
20080298850 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A developing device and an image forming apparatus capable of restraining density irregularity and restraining a decline in image quality caused by adherence of carrier to a photoreceptor, are provided. An angle α is in a range of no less than 45 degrees nor more than 57 degrees, which is formed between a plane comprising a central line of magnetic pole formed by a regulating pole in a magnet roller and a rotating central axis of a developing sleeve and a plane comprising a central line of magnetic pole formed by a pumping pole and a rotating central axis of the developing sleeve. Further, an absolute value of the maximum value of strength of the magnetic pole formed by a main pole is in a range of no less than 120 mT nor more than 140 mT. | 12-04-2008 |
20090175661 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - This invention, by a layer thickness restricting member, restricts a layer thickness of a developer born on a peripheral surface of a developer bearing member which feeds the developer at a developing region in a developer feeding direction which is opposite to an electrostatic latent image feeding direction, at a position upstream of the developing region in the developer feeding direction. | 07-09-2009 |
20090214240 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device capable of improving the image density and the dot reproducibility, and an image forming apparatus including the same are provided. A developing device applies an alternating voltage superimposed on a direct current voltage to a developing roller to thereby develop an electrostatic latent image formed on a photoreceptor with toner. A bias voltage waveform superimposed at this time has an original period (first period) in which each of a development-side electrical potential and an opposite development-side electrical potential is applied one time and a period (second period) in which a Vpp is gradually increased from the initial value to the maximum value. | 08-27-2009 |
Patent application number | Description | Published |
20120080711 | Light emitting device - A light emitting device comprises a case having a space therein, the space defined by an inner bottom surface and an inner side surface of the case, a lead frame housed in the space, and having a bending portion bent along the inner side surface of the case, and a light emitting element electrically connected to the lead frame, wherein a rear surface of the bending portion is embedded in the case and a front surface of the bending portion is exposed from the inner side surface of the case so as to oppose the light emitting element, and wherein a projecting portion projected from the inner bottom surface and inclined to the inner side surface of the case is formed on the inner side surface of the case. | 04-05-2012 |
20130003381 | LIGHT EMITTING DEVICE - A light emitting device comprises two or more light emitting elements, two or more lead frames electrically connected to the light emitting elements, and a case formed as a slender flat box shape and having an accommodating recession for accommodating the light emitting elements and the lead frame, wherein the lead frames are buried in the case and provided side by side in a longitudinal direction of the case, and the surfaces of the lead frames are arranged coplanar, the light emitting elements are mounted on the lead frames, and the plurality of lead frames and the case are arranged in a nearly linear symmetric configuration with respect to a central line that bisects the light emitting device in the longitudinal direction, so that no uneven heat distribution takes place. | 01-03-2013 |
20140087498 | METHOD OF MANUFACTURING LIGHT-EMITTING DEVICE - A method of manufacturing a light-emitting device includes mounting an LED chip on a bottom surface of a recessed portion of a case, and after mounting the LED chip, forming a highly-reflective sidewall so as to be in contact with side surfaces and the bottom surface of the recessed portion and to be spaced from the LED chip. The highly-reflective sidewall includes a higher light reflectance than the side surfaces of the recessed position of the case and an outwardly convex surface as a surface exposed in the recessed portion. | 03-27-2014 |
20140167087 | LIGHT EMITTING DEVICE AND MANUFACTURING METHOD FOR THE SAME - The present invention provides a light emitting device, which includes a light emitting diode (LED) chip, a wavelength conversion plate including a fluorescent substance and disposed on a light output surface side of the LED chip, and a sub heat radiation path formed to radiate heat of the wavelength conversion plate. The sub heat radiation path includes a transparent heat-conductive film provided on a surface of the wavelength conversion plate, a heat radiator provided in the vicinity of the LED chip, and a thermal connection member that thermally connects the transparent heat-conductive film to the heat radiator. | 06-19-2014 |
20140231821 | LIGHT-EMITTING DEVICE - A light-emitting device includes a plurality of LED chips arranged in series and each including a chip substrate and a crystal layer including a light-emitting layer. One of the plurality of LED chips is configured such that the chip substrate thereof includes a side surface facing another adjacent LED chip of the plurality of LED chips. The side surface has a highest cleavability among all side surfaces of the chip substrate of the one of the plurality of LED chips. | 08-21-2014 |
20140295591 | METHOD OF MANUFACTURING LIGHT-EMITTING DEVICE - A method of manufacturing a light-emitting device includes providing a case including an annular sidewall and an LED chip including a chip substrate and a crystal layer and mounted in a region surrounded by the sidewall of the case, and dripping a droplet of an electrically-charged phosphor-containing resin so as to fill a space between the sidewall and the LED chip. The droplet is attracted toward the sidewall by an electrostatic force during the dripping. | 10-02-2014 |
20150054018 | LIGHT-EMITTING DEVICE - A light-emitting device includes a case including a recessed portion, a lead frame that is housed in the case so as to be exposed in a bottom portion of the recessed portion and includes a first region, a second region and a third region arranged sandwiched between the first and second regions, a light-emitting element mounted in the first region and electrically connected to the third region via a first wire, and a hold-down member covering both ends in a width direction of an upper surface of the third region so as to hold down the third region from above. One end in a longitudinal direction of the third region protrudes outside of the case. The hold-down member is formed so as to contact with an inner surface of a sidewall of the recessed portion at an other end in the longitudinal direction of the third region. | 02-26-2015 |
20150097195 | Light Emitting Device - A light emitting device includes a double-sided electrode type semiconductor light emitting element that has a first electrode formed on a front side of the double-sided type semiconductor light emitting element and a second electrode formed on a rear side of the double sided type semiconductor light emitting element and is configured to emit light from a side wall surface of the double-sided electrode type semiconductor light emitting element, a first lead frame that is bonded to a whole area of one face of the first electrode, a second lead frame that is bonded to a whole area of one face of the second electrode, and a case in which a portion of the first lead frame and a portion of the second lead frame is embedded, | 04-09-2015 |
Patent application number | Description | Published |
20110026268 | VEHICLE LAMP - A vehicle lamp includes a lamp body having an opening, a resin cover attached to the opening to form a lamp chamber together with the lamp body; and a light source disposed inside the lamp chamber to irradiate light through the resin cover. The resin cover includes a design surface portion, and a peripheral edge portion surrounding the design surface portion. The peripheral edge portion includes a gate mark, and a thick-walled portion having a greater wall thickness than the other part of the peripheral edge portion and extending from the gate mark toward the design surface portion. | 02-03-2011 |
20130051052 | VEHICULAR LAMP, VEHICULAR COMPONENT PART FOR USE IN THE SAME, AND METHOD OF PRODUCING THE VEHICULAR COMPONENT - A vehicular lamp includes a vehicular component part that is molded by charging molten resin into a cavity defined by a first die that has a mirror surface-molding portion and a semi-gloss surface-molding portion and a second die that is movable relative to the first die and cooling the molten resin. The vehicular component part includes a mirror surface-formed portion having a mirror surface that is formed by the mirror surface-molding portion and a semi-gloss surface-formed portion having a semi-gloss surface that is formed by the semi-gloss surface-molding portion. A step surface is provided between the mirror surface and the semi-gloss surface of the vehicular component part. The semi-gloss surface-formed portion is protruded on a first die side relative to the mirror surface-formed portion. | 02-28-2013 |
20130194817 | VEHICLE LAMP AND METHOD FOR MANUFACTURING THE SAME - A vehicle lamp includes a light source, and a resin component disposed on the periphery of the light source. The resin component has a designed surface that can be observed from the outside of the lamp. The designed surface includes a textured surface having minute irregularities, and a projecting portion provided adjacent to the textured surface. | 08-01-2013 |
Patent application number | Description | Published |
20080198730 | Optical head and apparatus for optically recording and reproducing information - An optical sensor has first light receiving surfaces having respective pentagonal or hexagonal shapes and being independent of each other, and second light receiving surfaces having respective hexagonal shapes and being independent of each other, third light receiving surfaces having respective hexagonal shapes and being independent of each other, fourth light receiving surfaces having respective hexagonal shapes and being independent of each other, and fifth light receiving surfaces having respective hexagonal shapes and being independent of each other. A relationship between a size of each of the light receiving surfaces and a diameter of respective one of light beams received by corresponding one of the light receiving surfaces is set within a predetermined range. A light beam multiple-dividing element diffracts the light beams received by a first grating area to form +primary lights, and diffracts the light beams received by second and third grating areas to form +primary lights and −primary lights. Relationships of U/D and V/D are set within predetermined ranges. | 08-21-2008 |
20090268584 | Optical Pickup Apparatus And Optical Disc Apparatus Using Same - An optical pickup apparatus is provided with a dividing element having a plurality of regions. The dividing element is capable of dividing a light flux reflected by the optical disc into a plurality of light fluxes having different outgoing directions. Each region of the dividing element and light receiving parts of a light detector are structured such that when a target information recording layer of the optical disc is brought into focus, a light flux reflected from the target information recording layer is focused on the light receiving parts of the light detector, and a light flux reflected from other information recording layer than the target information recording layer is not irradiated onto the light receiving parts of the light detector. | 10-29-2009 |
20100214904 | Optical Pickup Having Radially Arranged Lenses in a Low Profile Construction - An optical pickup includes a first source which emits a first beam with a first wavelength; a second source which emits a second beam with a wavelength shorter than the first wavelength; a first collimate lens which collimates the first beam; a second collimate lens which collimates the second beam; a first objective lens which converges the first collimated beam onto an optical disc; and a second objective lens which converges the second collimated beam onto the disc. The first and second objective lenses are arranged in the disc radial direction. The second objective lens is arranged closer to the side of the disc outer circumference than the first objective lens. The first collimate lens is arranged on the right-hand side when the second objective lens is viewed from the first objective lens. The second collimate lens is arranged on the left-hand side when the first objective lens is viewed from the second objective lens. The gap between the first collimate lens and the first objective lens is larger than the gap between the second collimate lens and the second objective lens. | 08-26-2010 |
20110299378 | Optical Pickup Having Radially Arranged Lenses in a Low Profile Construction - An optical pickup includes a first source which emits a first beam with a first wavelength; a second source which emits a second beam with a wavelength shorter than the first wavelength; a first collimate lens which collimates the first beam; a second collimate lens which collimates the second beam; a first objective lens which converges the first collimated beam onto an optical disc; and a second objective lens which converges the second collimated beam onto the disc. The first and second objective lenses are arranged in the disc radial direction. The second objective lens is arranged closer to the side of the disc outer circumference than the first objective lens. The first collimate lens is arranged on the right-hand side when the second objective lens is viewed from the first objective lens. The second collimate lens is arranged on the left-hand side when the first objective lens is viewed from the second objective lens. The gap between the first collimate lens and the first objective lens is larger than the gap between the second collimate lens and the second objective lens. | 12-08-2011 |
Patent application number | Description | Published |
20080305314 | OPTICAL THIN-FILM-FORMING METHODS AND APPARATUS, AND OPTICAL ELEMENTS FORMED USING SAME - Optical thin-film-forming methods are disclosed that form optical thin film on a base plate arranged in a vacuum chamber. An exemplary method includes the steps of retaining the base plates on a plurality of retaining frames of a base-plate retainer, heating the base plate, and emitting a deposition material from a deposition source. The retaining frames are configured to make the entire base plate uniformly heated. | 12-11-2008 |
20090153971 | OPTICAL MULTILAYER THIN-FILM FILTERS AND METHODS FOR MANUFACTURING SAME - Optical multilayer thin-film filters (OMTFFs) are disclosed. An exemplary filter includes a transparent substrate, a multilayer film (MF) on a surface of the substrate, and a top layer. The MF is of alternatingly laminated layers of a high-refractive-index (HRI) material and a low-refractive-index (LRI) material. The top layer is on an uppermost layer of the MF and is of a material having atoms of lower atomic weight than atoms of either the HRI or LRI materials. The OMTFFs are made in a vacuum environment by alternatingly laminating respective thin films of the HRI and LRI materials on the substrate. The top layer is formed on the MF. Between forming the MF and top layer is a suppression step in which the newly formed MF is exposed to moisture by briefly venting the vacuum to atmosphere. The moisture inhibits migration of the low-molecular-weight atoms into the HRI and LRI materials. | 06-18-2009 |
20120064315 | OPTICAL THIN-FILMS AND OPTICAL ELEMENTS COMPRISING SAME - Optical thin-films are disclosed that are formed from optical thin films formed on a base plate arranged in a vacuum chamber. The base plates are held on a plurality of retaining frames of a base-plate retainer. The thin films are formed by heating the base plate and emitting a deposition material from a deposition source. The retaining frames are configured to make the entire base plate uniformly heated. | 03-15-2012 |
20120263872 | OPTICAL MULTILAYER THIN-FILM FILTERS AND METHODS FOR MANUFACTURING SAME - Optical multilayer thin-film filters (OMTFFs) are disclosed. An exemplary filter includes a transparent substrate, a multilayer film (MF) on a surface of the substrate, and a top layer. The MF is of alternatingly laminated layers of a high-refractive-index (HRI) material and a low-refractive-index (LRI) material. The top layer is on an uppermost layer of the MF and is of a material having atoms of lower atomic weight than atoms of either the HRI or LRI materials. The OMTFFs are made in a vacuum environment by alternatingly laminating respective thin films of the HRI and LRI materials on the substrate. The top layer is formed on the MF. Between forming the MF and top layer is a suppression step in which the newly formed MF is exposed to moisture by briefly venting the vacuum to atmosphere. The moisture inhibits migration of the low-molecular-weight atoms into the HRI and LRI materials. | 10-18-2012 |
20130107369 | HEARTH LINER FOR OPTICAL THIN FILM FORMATION | 05-02-2013 |
Patent application number | Description | Published |
20090104066 | Production method for metal matrix composite material - A method of producing an aluminum matrix composite material is described that comprises the steps of: mixing an aluminum powder and a ceramic powder to prepare a mixed powder; providing a lower casing made of aluminum and formed in a hollow rectangular parallelepiped shape having an open top, and a closing member made of aluminum and formed in a shape adapted to hermetically close the open top of the lower casing; packing the mixed powder into the lower casing; closing the open top of the lower casing filled with the mixed powder, by the closing member, to prepare a pre-rolling assembly having the mixed powder hermetically sealed therein; preheating the pre-rolling assembly; and rolling the preheated assembly to obtain the aluminum matrix composite material, where the aluminum matrix composite material includes a pair of metal plates having the mixed powder therebetween. | 04-23-2009 |
20090104067 | Production method for metal matrix composite material - A method of producing an aluminum matrix composite material is described that comprises the steps of: mixing an aluminum powder and a ceramic powder to prepare a mixed powder; providing a lower casing made of aluminum and formed in a hollow rectangular parallelepiped shape having an open top, and a closing member made of aluminum and formed in a shape adapted to hermetically close the open top of the lower casing; packing the mixed powder into the lower casing; closing the open top of the lower casing filled with the mixed powder, by the closing member, to prepare a pre-rolling assembly having the mixed powder hermetically sealed therein; preheating the pre-rolling assembly; and rolling the preheated assembly to obtain the aluminum matrix composite material, where the aluminum matrix composite material includes a pair of metal plates having the mixed powder therebetween. | 04-23-2009 |
20090104470 | Production method for metal matrix composite material - A method of producing an aluminum matrix composite material is described that comprises the steps of: mixing an aluminum powder and a ceramic powder to prepare a mixed powder; providing a lower casing made of aluminum and formed in a hollow rectangular parallelepiped shape having an open top, and a closing member made of aluminum and formed in a shape adapted to hermetically close the open top of the lower casing; packing the mixed powder into the lower casing; closing the open top of the lower casing filled with the mixed powder, by the closing member, to prepare a pre-rolling assembly having the mixed powder hermetically sealed therein; preheating the pre-rolling assembly; and rolling the preheated assembly to obtain the aluminum matrix composite material, where the aluminum matrix composite material includes a pair of metal plates having the mixed powder therebetween. | 04-23-2009 |
Patent application number | Description | Published |
20130095387 | CERAMIC MATERIAL AS WELL AS BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY CONTAINING THE SAME - A ceramic material offering both high capacity and high rate characteristics includes, as a main constituent, titanium oxide, and 0.004 to 0.249 percent by mass of potassium, 0.013 to 0.240 percent by mass of phosphorous and 0.021 to 1.049 percent by mass of niobium, has a spinel structure, and preferably has a peak intensity measured on the Li | 04-18-2013 |
20130105730 | LITHIUM-TITANIUM COMPLEX OXIDE, AND BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING SAME | 05-02-2013 |
20130108928 | LITHIUM-TITANIUM COMPLEX OXIDE AND MANUFACTURING METHOD THEREOF, AS WELL AS BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING SAME | 05-02-2013 |
20130108929 | LITHIUM-TITANIUM COMPLEX OXIDE AND MANUFACTURING METHOD THEREOF, AS WELL AS BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING THE SAME | 05-02-2013 |
20130161558 | LITHIUM-TITANIUM COMPLEX OXIDE, AND BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY CONTAINING SAME - A lithium-titanium complex oxide in a particulate form whose main ingredient is Li | 06-27-2013 |
20130260251 | LITHIUM-TITANIUM COMPLEX OXIDE, AND BATTERY ELECTRODE AND LITHIUM ION SECONDARY BATTERY USING SAME - A lithium-titanium complex oxide containing Li | 10-03-2013 |
20130343983 | LITHIUM-TITANIUM COMPLEX OXIDE AND MANUFACTURING METHOD THEREOF, AND BATTERY ELECTRODE USING SAME - A lithium-titanium complex oxide whose total water generation amount and total carbon dioxide generation amount measured by thermal decomposition GC-MS are preferably 1500 wt ppm or less and 2000 wt ppm or less, respectively, is obtained by subjecting a mixture of titanium compound and lithium compound to a heat treatment at 600° C. or above, cooling the obtained reaction product to 50° C. or below, and then subjecting the cooled reaction product to a reheat treatment involving heating to the maximum temperature of 300 to 700° C. and then cooling, wherein the dew point of the ambience of the reheat treatment is controlled at −30° C. or below at a temperature of 200° C. or above. | 12-26-2013 |
Patent application number | Description | Published |
20080217847 | SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - The sheet conveying apparatus includes a first member configured to convey a sheet along a predetermined conveying path while holding the sheet, a second member configured to convey a sheet along the predetermined conveying path while holding the sheet, and a changing unit configured to change a first state in which the first member and the second member convey the same sheet along the predetermined conveying path and a second state in which the first member and the second member convey different sheets in the predetermined conveying path according to a length of a sheet along the predetermined conveying path. | 09-11-2008 |
20090008856 | SHEET PROCESSOR AND IMAGE-FORMING APPARATUS - A sheet processor includes a holding unit for holding a folded batch of sheets, a pressing member for pressing against a folded portion of the batch of sheets, a nipping member for nipping portions of the batch adjacent to the folded portion so as to nip the batch of sheets from opposite directions, and a casing for supporting the pressing member and the nipping member. | 01-08-2009 |
20090256301 | SHEET PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - Provided is a sheet folding apparatus for folding a sheet stack, including a sheet stack support member for supporting a sheet stack by being abutted against a lower edge of the sheet stack, an abutting member for folding the sheet stack by making the sheet stack supported by the sheet stack support member abutted against a leading edge of the abutting member, and paired folding rollers for sandwiching the sheet stack folded by the abutting member to fold the sheet stack at a fold position, in which a position where the sheet stack is abutted against the leading edge of the abutting member with respect to the fold position is varied based on sheet stack information. | 10-15-2009 |
Patent application number | Description | Published |
20140232536 | INTRUSION DETECTION DEVICE - In an intrusion detection device of the embodiment, a determining unit allows a transmission unit to stop transmitting ultrasonic waves until a level of a Doppler signal exceeds a predetermined threshold (threshold for detecting destruction of a window glass), and allows the transmission unit to transmit the ultrasonic waves when the level of the Doppler signal exceeds said threshold. Therefore, if the destruction of the window glass is not detected, it is possible to reduce power consumption through allowing the transmission unit to stop the transmission. Further, because processing for detecting intrusion is performed after the destruction of the window glass has been detected, it is possible to reduce erroneous detection of an intruder resulting from a movement of an object (e.g., falling of papers, a sunshade, or the like that is leaned against the interior wall) other than a human. | 08-21-2014 |
20140241125 | MOVING BODY DETECTOR - In a malfunction detection mode, a controller is configured to compare an output of a phase-detector obtained when controlling to input an oscillation signal to only the phase-detector, with an output of the phase-detector obtained when controlling to input the oscillation signal to both of a transmitter and the phase-detector. If a change (difference) of signal levels of the outputs is equal to or more than a prescribed threshold, the controller determines that there is no malfunction in the transmitter and a receiver. If the change of the signal levels is less than the prescribed threshold, the controller determines that there is a malfunction in the transmitter or the receiver. | 08-28-2014 |
Patent application number | Description | Published |
20090114969 | Silicon carbide semiconductor device and related manufacturing method - An SiC semiconductor device and a related manufacturing method are disclosed having a structure provided with a p | 05-07-2009 |
20130105889 | SWITCHING DEVICE AND METHOD FOR MANUFACTURING THE SAME | 05-02-2013 |
20130146969 | SWITCHING ELEMENT AND MANUFACTURING METHOD THEREOF - A switching element is provided having a semiconductor substrate. A trench gate electrode is formed in the upper surface of the semiconductor substrate. An n-type first semiconductor region, a p-type second semiconductor region, and an n-type third semiconductor region are formed in a region in contact with a gate insulating film in the semiconductor substrate. At a position below the second semiconductor region, there is formed a p-type fourth semiconductor region connected to the second semiconductor region and opposing the gate insulating film via the third semiconductor region and containing boron. A high-concentration-carbon containing region having a carbon concentration higher than that of a semiconductor region exposed on the lower surface of the semiconductor substrate is formed in at least a part of the portion of the third semiconductor region, positioned between the fourth semiconductor region and the gate insulating film, that is in contact with the fourth semiconductor region. | 06-13-2013 |
20140346592 | SEMICONDUCTOR DEVICE - A vertical MOSFET includes: a semiconductor substrate comprising a drain layer, a drift layer, a body layer, and a source layer; and a trench gate penetrating through the source layer and the body layer from an upper surface of the semiconductor substrate and reaching the drift layer. The trench gate includes a gate electrode; a first insulating film disposed on a bottom surface of a trench formed in the semiconductor substrate; a second insulating film disposed at least on a side surface of the trench, and in contact with the body layer; and a third insulating film disposed between the gate electrode and the second insulating film, and formed of a material of which dielectric constant is higher than a dielectric constant of the second insulating film. | 11-27-2014 |
20150041887 | SEMICONDUCTOR DEVICE - A semiconductor device includes a first semiconductor layer surrounding a bottom of the trench gate, a second semiconductor layer disposed along one of end portions of the trench gate in a longitudinal direction of the trench gate, one of end portions of the second semiconductor layer contacting the body layer and the other of the end portions of the second semiconductor layer contacting the first semiconductor layer, and a connecting layer, one of end portions of the connecting layer being connected to the body layer and the other of the end portions of the connecting layer being connected to the first semiconductor layer, the connecting layer contacting the second semiconductor layer, and the connecting layer being separated from the one of the end portions of the trench gate in the longitudinal direction of the trench gate by the second semiconductor layer. | 02-12-2015 |
20150084124 | SEMICONDUCTOR DEVICE - A semiconductor device includes a semiconductor substrate having an element region and a termination region. The element region includes a first body region having a first conductivity type, a first drift region having a second conductivity type, and first floating regions having the first conductivity type. The termination region includes FLR regions, a second drift region and second floating regions. The FLR regions have the first conductivity type and surrounds the element region. The second drift region has the second conductivity type, makes contact with and surrounds the FLR regions. The second floating regions have the first conductivity type and is surrounded by the second drift region. The second floating regions surround the element region. At least one of the second floating regions is placed at an element region side relative to the closest one of the FLR regions to the element region. | 03-26-2015 |
Patent application number | Description | Published |
20120061682 | SIC SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - A SiC semiconductor device includes: a substrate, a drift layer, and a base region stacked in this order; first and second source regions and a contact layer in the base region; a trench penetrating the source and base regions; a gate electrode in the trench; an interlayer insulation film with a contact hole covering the gate electrode; a source electrode coupling with the source region and the contact layer via the contact hole; a drain electrode on the substrate; and a metal silicide film. The high concentration second source region is shallower than the low concentration first source region, and has a part covered with the interlayer insulation film, which includes a low concentration first portion near a surface and a high concentration second portion deeper than the first portion. The metal silicide film on the second part has a thickness larger than the first portion. | 03-15-2012 |
20130330896 | MANUFACTURING METHOD OF SILICON CARBIDE SEMICONDUCTOR DEVICE - A manufacturing method of a silicon carbide semiconductor device includes: forming a drift layer on a silicon carbide substrate; forming a base layer on or in a surface portion of the drift layer; forming a source region in a surface portion of the base layer; forming a trench to penetrate the base layer and to reach the drift layer; forming a gate electrode on a gate insulation film in the trench; forming a source electrode electrically connected to the source region and the base layer; and forming a drain electrode on a back surface of the substrate. The forming of the trench includes: flattening a substrate surface; and etching to form the trench after flattening. | 12-12-2013 |
20150236127 | SILICON CARBIDE SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - In a method of manufacturing a silicon carbide semiconductor device including a vertical switching element having a trench gate structure, with the use of a substrate having an off angle with respect to a (0001) plane or a (000-1) plane, a trench is formed from a surface of a source region to a depth reaching a drift layer through a base region so that a side wall surface of the trench faces a (11-20) plane or a (1-100) plane, and a gate oxide film is formed without performing sacrificial oxidation after formation of the trench. | 08-20-2015 |
Patent application number | Description | Published |
20120018198 | ELECTRONIC COMPONENT AND PRINTED WIRING BOARD - An electronic component including a substrate having a surface and one or more trench portions opening on the surface, a capacitor portion having a lower electrode formed on the surface of the substrate and on the wall surface of the trench portion, a dielectric layer formed on the lower electrode, and an upper electrode formed on the dielectric layer, a resin filler filling the space inside the trench portion lined by the upper electrode, an insulation layer formed on the surface of the substrate, a conductive portion formed on the insulation layer and positioned to cover the trench portion, and a via conductor connecting the conductive portion and one of the lower electrode and the upper electrode. | 01-26-2012 |
20120175754 | WIRING BOARD - A wiring board including a core substrate made of an insulative material and having a penetrating portion, a first interlayer insulation layer formed on the surface of the core substrate, a first conductive circuit formed on the surface of the first interlayer insulation layer, a first via conductor formed in the first interlayer insulation layer, and an electronic component accommodated in the penetrating portion of the core substrate and including a semiconductor element, a bump body mounted on the semiconductor element, a conductive circuit connected to the bump body, an interlayer resin insulation layer formed on the conductive circuit, and a via conductor formed in the interlayer resin insulation layer. The first via conductor has a tapering direction which is opposite of a tapering direction of the via conductor in the electronic component. | 07-12-2012 |
20140159851 | INDUCTOR DEVICE, METHOD FOR MANUFACTURING THE SAME, AND PRINTED WIRING BOARD - An inductor device has a core base, and an inductor structure including a first conductive pattern formed on a first surface side of the core base, a second conductive pattern formed on a second surface side of the core base on the opposite side with respect to the first surface side of the core base, and a through-hole conductor formed through the core base such that the through-hole conductor is connecting the first conductive pattern and the second conductive pattern. The core base includes a magnetic material layer including a magnetic material, and the magnetic material layer of the core base is positioned adjacent to at least a portion of the periphery of the inductor structure. | 06-12-2014 |