Patent application number | Description | Published |
20100078744 | SOLID-STATE IMAGING DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A solid-state imaging device includes light-sensing sections serving as pixels, and waveguides each including a core layer and a cladding layer, the waveguides each being disposed at a position corresponding to one of the light-sensing sections. A cross-sectional structure of the waveguide taken in the horizontal direction of an imaging plane is different from a cross-sectional structure of the waveguide taken in the vertical direction of the imaging plane. | 04-01-2010 |
20100078745 | SOLID-STATE IMAGING DEVICE, METHOD FOR MANUFACTURING SOLID-STATE IMAGING DEVICE, AND ELECTRONIC APPARATUS - A solid-state imaging device includes a light-receiving portion, which serves as a pixel, and a waveguide, which is disposed at a location in accordance with the light-receiving portion and which includes a clad layer and a core layer embedded having a refractive index distribution in the wave-guiding direction. | 04-01-2010 |
20100243869 | SOLID-STATE IMAGING DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A solid-state imaging device includes a light sensing portion which is formed on a substrate and generates a signal electric charge according to incident light; a rectangular or gradient-index on-chip micro lens formed on a light incident side above the light sensing portion; and a planarized lens layer which covers the on-chip micro lens and is formed in such a manner that a light incident surface is planarized. | 09-30-2010 |
20120282723 | SOLID-STATE IMAGING DEVICE, METHOD FOR MANUFACTURING SOLID-STATE IMAGING DEVICE, AND ELECTRONIC APPARATUS - A solid-state imaging device including a light-receiving portion, which serves as a pixel, and a waveguide, which is disposed at a location in accordance with the light-receiving portion and which includes a clad layer and a core layer embedded having a refractive index distribution in the wave-guiding direction. | 11-08-2012 |
20130327927 | SOLID-STATE IMAGING DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A solid-state imaging device includes a light sensing portion which is formed on a substrate and generates a signal electric charge according to incident light; a rectangular or gradient-index on-chip micro lens formed on a light incident side above the light sensing portion; and a planarized lens layer which covers the on-chip micro lens and is formed in such a manner that a light incident surface is planarized. | 12-12-2013 |
20140061834 | SOLID-STATE IMAGING DEVICE, MANUFACTURING METHOD AND DESIGNING METHOD THEREOF, AND ELECTRONIC DEVICE - A solid-state imaging device including pixel photododes on a light-receiving surface of a substrate; a first insulating film on the substrate covering a multilayer wiring on and in contact with the substrate. The first insulating film comprises material of a first refractive index lower than a refractive index of the substrate for at least bottom and top surface portions of the first insulating film. A second insulating film with a second refractive index higher than the first refractive index is on the first insulating film. A third insulating film with a third refractive index higher than the second refractive index is on the second insulating film. For each pixel, a color filter is on the third insulating film. | 03-06-2014 |
Patent application number | Description | Published |
20090121377 | Method of Manufacturing Polytetrafluoroethylene Particle Aggregate and Method of Manufacturing Polytetrafluoroethylene Product - The present invention provides a method of manufacturing a polytetrafluoroethylene (PTFE) product offering better productivity and a higher degree of flexibility in form of the product to be obtained than the conventional methods of manufacturing a PTFE product, and a method of manufacturing PTFE particle aggregate obtained as an intermediate while manufacturing a PTFE product. According to the manufacturing methods, aggregate of PTFE particles including water and a surfactant is obtained by applying force to a dispersion of PTFE particles containing PTFE particles, a surfactant and water as a dispersion medium, where the force makes the PTFE particles approach or contact with each other. Such a manufacturing method may be carried out, for example, with a chamber ( | 05-14-2009 |
20090166929 | Process for Production of Polytetrafluoroethylene Sheet, and Process for Production of Polytetrafluoroethylene Seal Tape - Disclosed is a process for production of a polytetrafluoroethylene (PTFE) sheet, which is superior in productivity compared to conventional processes and can reduce the cost of production. Also disclosed is a process for production of a PTFE seal tape. The processes comprise the following steps (i) to (iii): (i) applying a force to a PTFE particle suspension comprising PTFE particles, a surfactant and water (a dispersion medium) so that the particles can come close to each other or contact with each other, thereby forming a PTFE-containing solid material having the water and the surfactant included therein; (ii) shaping the solid material into a sheet-like form; and (iii) reducing the water content in the sheet-like solid material. | 07-02-2009 |
20100203332 | METHOD FOR PRODUCING POLYTETRAFLUOROETHYLENE FIBER AND POLYTETRAFLUOROETHYLENE FIBER - The present invention provides a method for producing a PTFE fiber that makes it possible, unlike the emulsion spinning process, to obtain a polytetrafluoroethylene (PTFE) fiber, particularly a long PTFE fiber, without using a matrix material, is more productive than conventional production methods such as a slit yarn process, and is capable of enhancing mechanical properties and the degree of freedom in diameter of the obtained fiber. The method for producing the PTFE fiber of the present invention includes the step of reducing a diameter of a string-shape PTFE-containing solid material (a first solid material) by drawing the first solid material at a temperature equal to or higher than a melting point of PTFE. The first solid material can be obtained from a PTFE-containing solid material (a second solid material) containing water and a surfactant, by reducing an amount of the water contained in the second solid material. | 08-12-2010 |
20110039091 | POROUS SHEET AND METHOD FOR PRODUCING THE SAME, AND HEAT INSULATING SHEET - The method for producing the porous sheet of the present invention includes the steps of (I) preparing a plurality of sheet materials that contain polytetrafluoroethylene and carbon particles and (II) stacking the plurality of sheet materials over one another and rolling the stacked sheet materials. In the method for producing the porous sheet of the present invention, step (I) and step (II) may be repeated alternately. Further, as the sheet materials to be used in the production method of the present invention, a base sheet obtained by forming a mixture containing polytetrafluoroethylene and carbon particles into sheet form also can be used, or a laminated sheet obtained by stacking a plurality of base sheets over one another and rolling them also can be used, for example. | 02-17-2011 |
20110223427 | METHOD OF PRODUCING ELECTRICALLY INSULATING THERMALLY CONDUCTIVE SHEET, ELECTRICALLY INSULATING THERMALLY CONDUCTIVE SHEET, AND HEAT DISSIPATING MEMBER - The method of producing an electrically insulating thermally conductive sheet of the present invention includes the steps of (I) preparing a plurality of sheet materials consisting essentially of a fluororesin containing polytetrafluoroethylene, thermally conductive inorganic particles, and a forming aid; (II) stacking the plurality of sheet materials on one another and rolling the stacked sheet materials together; and (III) removing the forming aid. In the production method of the present invention, the step (I) and the step (II) may be repeated alternately. The sheet material that can be used in the production method of the present invention is, for example, a base sheet obtained by forming a mixture composed of a fluororesin containing polytetrafluoroethylene, thermally conductive inorganic particles, and a forming aid into a sheet, or a laminated sheet obtained by stacking a plurality of base sheets on one another and rolling them together. | 09-15-2011 |
20110260904 | ELECTROMAGNETIC WAVE ABSORBER - An electromagnetic wave absorber includes a dielectric layer, a divided conductive film layer and an electromagnetic wave reflective layer, wherein a ratio of thickness ‘d’ and wavelength ‘λ’ satisfies a condition of [0.01≦d/λ0.03], weight per unit area of the electromagnetic wave absorber falls within a range of 1000 g/m | 10-27-2011 |
20110290468 | HEAT CONDUCTIVE ADHESIVE COMPOSITION AND HEAT CONDUCTIVE ADHESIVE SHEET - An object is to provide a heat conductive adhesive composition containing boron nitride particles and an acrylic polymer, which is capable of forming a molding having a good heat conductivity, and a heat conductive adhesive sheet with the heat conductive adhesive composition therein, which has a good heat conductivity and bond strength. Provided is the heat conductive adhesive composition which contains boron nitride particles and an acrylic polymer component, and the above boron nitride particles contain boron nitride particles having a particle size of 3 μm or more and 300 μm or less, wherein the boron nitride particles contain 5 to 45% by volume of boron nitride particles having a particle size of 3 μm or more and 20 μm or less, 30 to 70% by volume of boron nitride particles having a particle size of more than 20 μm and 60 μm or less, 1.0 to 40% by volume of boron nitride particles having a particle size of more than 60 μm and 300 μm or less. | 12-01-2011 |
20120101215 | METHOD OF MANUFACTURING POLYTETRAFLUOROETHYLENE PARTICLE AGGREGATE AND METHOD OF MANUFACTURING POLYTETRAFLUOROETHYLENE PRODUCT - The present invention provides a method of manufacturing a polytetrafluoroethylene (PTFE) product offering better productivity and a higher degree of flexibility in form of the product to be obtained than the conventional methods of manufacturing a PTFE product, and a method of manufacturing PTFE particle aggregate obtained as an intermediate while manufacturing a PTFE product. According to the manufacturing methods, aggregate of PTFE particles including water and a surfactant is obtained by applying force to a dispersion of PTFE particles containing PTFE particles, a surfactant and water as a dispersion medium, where the force makes the PTFE particles approach or contact with each other. Such a manufacturing method may be carried out, for example, with a chamber ( | 04-26-2012 |
20120306115 | PROCESS FOR PRODUCTION OF POLYTETRAFLUOROETHYLENE SHEET, AND PROCESS FOR PRODUCTION OF POLYTETRAFLUOROETHYLENE SEAL TAPE - Disclosed is a process for production of a polytetrafluoroethylene (PTFE) sheet, which is superior in productivity compared to conventional processes and can reduce the cost of production. Also disclosed is a process for production of a PTFE seal tape. The processes comprise the following steps (i) to (iii): (i) applying a force to a PTFE particle suspension comprising PTFE particles, a surfactant and water (a dispersion medium) so that the particles can come close to each other or contact with each other, thereby forming a PTFE-containing solid material having the water and the surfactant included therein; (ii) shaping the solid material into a sheet-like form; and (iii) reducing the water content in the sheet-like solid material. | 12-06-2012 |
Patent application number | Description | Published |
20100273083 | FUEL CELL - There is disclosed a fuel cell in which an insulating material is disposed, whereby the thermal diffusion of the inside and outside of a fuel cell can be suppressed to suppress the deterioration of the performance of the fuel cell due to a temperature drop. Moreover, the physical properties of the insulating material are specified, whereby appropriate insulating properties required in the fuel cell can be obtained, and startup properties are improved. A fuel cell has a cell stack in which a plurality of unit cells are stacked, and terminal plates disposed on both sides of the cell stack in a cell stack direction thereof. The fuel cell comprises an insulating portion having an insulating material and holding plates which hold the insulating material from both the sides of the insulating material in the cell stack direction, the insulating material is held between the holding plates, and the insulating material has a thermal conductivity of 0.1 W/mK or less and a porosity of 70% or more. | 10-28-2010 |
20120309879 | METHOD FOR PRODUCING THERMALLY-CONDUCTIVE ADHESIVE SHEET - Provided is a method for producing a thermally-conductive adhesive sheet including a thermally-conductive adhesive agent layer by performing: a composition preparation step of preparing a thermally-conductive adhesive agent composition including a thermally-conductive particle and an acrylic polymer component; and an adhesive agent layer formation step of forming a sheet-shaped thermally-conductive adhesive agent layer with the thermally-conductive adhesive agent composition, wherein in the composition preparation step, a cyclic organic compound of 8 or less carbon atoms, or an organic compound of 3 or less carbon atoms having a hydroxy, ketone, aldehyde, carboxyl or nitrile group is mixed as a constitutional component of the thermally-conductive adhesive agent composition. | 12-06-2012 |
20130120959 | DIELECTRIC MATERIAL SHEET AND PROCESS FOR PRODUCTION THEREOF, AND ELECTROMAGNETIC WAVE ABSORBER - The dielectric sheet of the present invention is made of a sheet having a thickness of 5-30 μm, which is formed by drying a coated film of a coating liquid containing a resin and a natural graphite powder having an average particle diameter of 10 μm or less. Preferably, the sheet is formed from a coating liquid containing a resin, a natural graphite powder having an average particle diameter of 10 μm or less, and a solvent, wherein the content rate of the natural graphite powder to the resin exceeds 5% by volume and is not more than 20% by volume, and the total content of the resin and the natural graphite powder is 10-55 wt %. | 05-16-2013 |
20130306364 | ELECTROMAGNETIC WAVE SHIELDING SHEET FOR USE IN WIRELESS POWER TRANSMISSION - Disclosed is an electromagnetic wave shielding sheet for use in wireless power transmission which suppresses electromagnetic wave leakage in a broad range and which is easily adaptable to various types of wireless power transmitters. The disclosed electromagnetic wave shielding sheet is used in a wireless transmitter and has a multilayer structure including at least one metal layer and at least one magnetic material layer. | 11-21-2013 |