Patent application number | Description | Published |
20080216513 | Method for the Regeneration of a Worn Quartz Glass Jig - To provide a technique with which a quartz glass jig and a doped quartz glass jig are regenerated by completely removing the impurities which are attached to the surface and the impurities which have diffused into the interior from quartz glass jigs which have been used in semiconductor production processes and then carrying out working repair and removing the contamination from the working processes as well. After use, the impurities are removed from the aforementioned quartz glass jigs in the said purification treatment process which includes a purification treatment process in which the quartz glass jigs are subjected to a purification treatment in a gaseous atmosphere which includes a halogen element at a temperature within the region above a prescribed temperature. | 09-11-2008 |
20100065316 | COMPOSITE WOVEN FABRIC AND PRINTED WIRING BOARD - Disclosed is a printed wiring board which attains aims of printed wiring boards required for realizing high-speed, high-frequency semiconductor devices, namely a printed wiring board having low dielectric constant, low dielectric loss tangent and low linear expansion coefficient. Also disclosed is a composite woven fabric suitably used as a base material for such a printed wiring board. Specifically disclosed is a composite woven fabric containing quartz glass fibers and polyolefin fibers, in which the ratio of the quartz glass fibers to the composite woven fabric is set at 10 vol % or more and 90 vol % or less. It is preferred that the quartz glass fibers each have a filament diameter of 3 μm or more and 16 μm or less, and the composite woven fabric has a thickness of 200 μm or less. | 03-18-2010 |
20100109509 | COPPER-CONTANING SILICA GLASS, METHOD FOR PRODUCING THE SAME, AND XENON FLASH LAMP USING THE SAME - It is an object of the present invention to provide a copper-containing silica glass which emits fluorescence having a peak in a wavelength range of from 520 nm to 580 nm under irradiation of ultraviolet light with a wavelength of 400 nm or less, and which is excellent in long term stability even in the high output use. | 05-06-2010 |
20120291488 | COPPER-CONTANING SILICA GLASS, METHOD FOR PRODUCING THE SAME, AND XENON FLASH LAMP USING THE SAME - It is an object of the present invention to provide a copper-containing silica glass which emits fluorescence having a peak in a wavelength range of from 520 nm to 580 nm under irradiation of ultraviolet light with a wavelength of 400 nm or less, and which is excellent in long term stability even in the high output use. The copper-containing silica glass is made to have copper of from 5 wtppm to 200 wtppm, which emits fluorescence having a peak in a wavelength range of from 520 nm to 580 nm under irradiation of ultraviolet light with a wavelength ranging from 160 nm to 400 nm, and in which an internal transmittance per 2.5 mm thickness at a wavelength of 530 nm is 95% or more. | 11-22-2012 |
Patent application number | Description | Published |
20150049979 | OPTICAL DEFLECTION ELEMENT AND OPTICAL DEFLECTION DEVICE - An optical deflection element is provided with a substrate; an optical waveguide film made of an electro-optic medium, and constituting an optical waveguide formed on the substrate; a first electrode pair disposed on an incident side of the optical waveguide film at a position facing a film thickness direction of the optical waveguide film, and configured to deflect a light beam transmitting through the optical waveguide film in an in-plane direction of the optical waveguide film in accordance with a first applied voltage; and a second electrode pair disposed on an output side of the optical waveguide film at a position facing the film thickness direction of the optical waveguide film, and configured to deflect the light beam deflected in the in-plane direction of the optical waveguide film by the first electrode pair in the film thickness direction of the optical waveguide film in accordance with a second applied voltage. The second electrode pair includes a first electrode and a second electrode. The first electrode and the second electrode are formed to have lengths different from each other in a direction of travel of the light beam transmitting through the optical waveguide film. | 02-19-2015 |
20150185256 | ELECTRIC FIELD MEASUREMENT DEVICE - The present application discloses electric field measurement device for measuring electric field of a target. Electric field measurement device includes optical waveguide which transmits transmission light, electrode portion, which gives optical characteristics of optical waveguide periodic variation, antenna for setting first state, in which electric field is coupled to optical waveguide, and second state, in which electric field is disconnected from optical waveguide, detector which detects light intensity of emission light emitted from optical waveguide, and applicator which applies voltage to electrode portion to give periodic variation. Applicator includes setting portion, which sets reference voltage in correspondence to light intensity under the second state, and output portion, which outputs voltage in correspondence to difference between reference voltage and induced voltage happening to electrode portion under first state. | 07-02-2015 |
20150270329 | ELECTRICITY STORAGE DEVICE AND METHOD FOR MANUFACTURING ELECTRICITY STORAGE DEVICE - An electricity storage device includes a first electrode, a second electrode, an electricity storage layer, and a p-type semiconductor layer. The electricity storage layer is placed between the first electrode and the second electrode. The electricity storage layer contains a mixture of an insulating material and n-type semiconductor particles. The p-type semiconductor layer is placed between the electricity storage layer and the second electrode. The n-type semiconductor particles contain at least one of a titanium-niobium composite oxide and a titanium-tantalum composite oxide. | 09-24-2015 |
20150270580 | ELECTRICAL STORAGE DEVICE AND METHOD FOR MANUFACTURING ELECTRICAL STORAGE DEVICES - An electrical storage device includes a stack structure including a conductive first electrode layer, a conductive second electrode layer, a charging layer disposed between the first electrode layer and the second electrode layer, the charging layer including a mixture containing an insulating material and at least one metal oxide selected from the group consisting of niobium oxide, tantalum oxide and molybdenum oxide, and an electron barrier layer disposed between the charging layer and the second electrode layer. | 09-24-2015 |
Patent application number | Description | Published |
20080198717 | Aberration Correcting Apparatus, Optical Pickup, and Aberration Correcting Method - A kind of an optical disc is discriminated by a disc discriminating section, an order of aberrations to be corrected is set by an order setting section by the kind of the optical disc, drive of a liquid crystal optical element is controlled by a drive control section through a liquid crystal driver, and an aberration of an optical beam is corrected based on the order of the aberration. The level of importance of the aberration correction differs by the kind of the optical disc, and the order of the aberration is set by the level of importance of the aberration correction. | 08-21-2008 |
20080212432 | Aberration Correcting Apparatus, Optical Pickup, and Aberration Correcting Method - An optical pickup to be used for both DVD and CD is provided with an aberration correcting device using liquid crystal on an input side of an objective lens. A spherical aberration of a CD is corrected by using an electrode for DVD spherical aberration correction and electrodes for DVD astigmatism correction. | 09-04-2008 |
20090115921 | OPTICAL RECORDING AND REPRODUCING APPARATUS - An optical recording and reproducing apparatus which suppresses the generation of a noise component in a servo signal while preventing a deterioration in using efficiency of a light beam is provided. The optical recording and reproducing apparatus has an optical pickup including a liquid crystal correcting element, a liquid crystal element control unit, a memory, and an operation mode control unit. The memory stores a plurality of correction data sets respectively corresponding to a plurality of refractive index distribution to be formed by the liquid crystal correcting element. The liquid crystal element control unit selectively reads out the correction data set corresponding to the operation mode designated by the operation mode control unit from the memory and supplies a driving voltage according to the read-out correction data set to the liquid crystal correcting element. | 05-07-2009 |