Patent application number | Description | Published |
20100247812 | TRANSPARENT POLYCRYSTALLINE SPINEL SUBSTRATE AND METHOD OF PRODUCING SAME, AND OPTICAL ARTICLE USING SAID SUBSTRATE - There is provided a transparent polycrystalline spinel substrate characterized in having a transmittance of 0.005% or less in a crossed Nicol system at a thickness of 1 mm and a wavelength of 450 nm, which does not generate image blurring or light-dark change when used in optical products. There is also provided a method for producing the transparent polycrystalline spinel substrate comprising a step for preparing a spinel powder, a step for molding the spinel powder and producing a spinel formed body, a step for sintering the spinel formed body and producing a spinel sintered body, and a step for subjecting the spinel sintered body to hot isostatic pressing (HIP) and producing a spinel polycrystalline body. There is further provided a liquid crystal projector and a receiver for rear-projection television having the aforementioned transparent polycrystalline spinel substrate. | 09-30-2010 |
20100252950 | METHOD OF PRODUCING POLYCRYSTALLINE TRANSPARENT CERAMIC SUBSTRATE AND METHOD OF PRODUCING SPINEL SUBSTRATE - There is provided a method of producing a polycrystalline transparent ceramic substrate used in a transparent substrate or the like for a liquid crystal projector. The method of producing a polycrystalline transparent ceramic substrate is characterized in comprising a step for sintering a ceramic body molded into a predetermined shape and producing a polycrystalline transparent ceramic sintered body, a step for cutting the polycrystalline transparent ceramic sintered body and producing a plurality of polycrystalline transparent ceramic cut bodies, a step for polishing the cut surfaces of the polycrystalline transparent ceramic cut bodies and producing polycrystalline transparent ceramic polished bodies, and a step for applying an antireflection coating to the polycrystalline transparent ceramic polished bodies and producing coated polycrystalline transparent ceramic bodies. | 10-07-2010 |
20110272734 | Light-Emitting Device Substrate - The present invention is a minimal-defect light-emitting device substrate that enables emitted light to issue from a device's substrate side, and is a light-emitting device | 11-10-2011 |
20120093713 | SPINEL LIGHT-TRANSMITTING WINDOW MATERIAL AND METHOD FOR PRODUCING THE SAME - To provide a light-transmitting window material made of a spinel sintered body, wherein the largest diameter of pores contained in the light-transmitting window material is not more than 100 μm, and the number of pores having a largest diameter of not less than 10 μm is not more than 2.0 per 1 cm | 04-19-2012 |
20130040442 | METHOD OF MANUFACTURING GaN-BASED FILM - The present method of manufacturing a GaN-based film includes the steps of preparing a composite substrate, the composite substrate including a support substrate in which a coefficient of thermal expansion in a main surface is more than 0.8 time and less than 1.2 times as high as a coefficient of thermal expansion of GaN crystal in a direction of a axis and a single crystal film arranged on a side of the main surface of the support substrate, the single crystal film having threefold symmetry with respect to an axis perpendicular to a main surface of the single crystal film, and forming a GaN-based film on the main surface of the single crystal film in the composite substrate. Thus, a method of manufacturing a GaN-based film capable of manufacturing a GaN-based film having a large main surface area and less warpage is provided. | 02-14-2013 |
20130149847 | METHOD OF MANUFACTURING GaN-BASED FILM AND COMPOSITE SUBSTRATE USED THEREFOR - The present method of manufacturing a GaN-based film includes the steps of preparing a composite substrate including a support substrate dissoluble in hydrofluoric acid and a single crystal film arranged on a side of a main surface of the support substrate, a coefficient of thermal expansion in the main surface of the support substrate being more than 0.8 time and less than 1.2 times as high as a coefficient of thermal expansion of GaN crystal, forming a GaN-based film on a main surface of the single crystal film arranged on the side of the main surface of the support substrate, and removing the support substrate by dissolving the support substrate in hydrofluoric acid. Thus, the method of manufacturing a GaN-based film capable of efficiently obtaining a GaN-based film having a large main surface area, less warpage, and good crystallinity, as well as a composite substrate used therefor are provided. | 06-13-2013 |
20150118830 | Method of Manufacturing GaN-Based Film and Composite Substrate Used Therefor - The present method of manufacturing a GaN-based film includes the steps of preparing a composite substrate ( | 04-30-2015 |
Patent application number | Description | Published |
20080212198 | Molded lens and molding tool - A lens is manufactured by hardening soft material filled inside a molding tool by cooling. The lens includes a convex lens portion having an optical axis, and a marking portion located outside of an effective diameter of the lens portion. The shape or the position of the marking portion is set to prevent deformation of the marking portion by contact with the molding tool due to shrinkage of the material during cooling. | 09-04-2008 |
20100025869 | METHOD OF MANUFACTURING MOLDED ARTICLE FORMED WITH THERMOSETTING RESIN AND INJECTION MOLDING APPARATUS - There is provided a method of manufacturing a molded article formed with a thermosetting resin and an injection molding apparatus so that occurrence of blurs and containing of bubbles at the time of molding can be prevented. Provided is a method of manufacturing a molded article formed with a thermosetting resin by using a mold including: a cavity for molding a product part; a gate which commutes with the cavity to guide a liquid thermosetting resin into the cavity, thereby forming a gate part; a runner which commutes with the gate part to guide the liquid resin into the gate part, thereby forming a runner part; and an overflow catcher which commutes with the cavity to receive the liquid resin overflown from the cavity, thereby forming an overflow part, wherein the method includes: an injecting process of injecting the liquid resin from the runner through the gate to the cavity, until the overflow catcher is filled from the cavity; a hardening process of heating the liquid resin in the mold, thereby hardening the liquid resin; a demolding process of demolding a resin molded article having the runner part, the gate part, the product part, and the overflow part from the mold; and a cutting process of detaching the gate part and the overflow part from the product part of the demolded resin molded article. | 02-04-2010 |
20150186518 | MANAGEMENT SYSTEM FOR SKIN CONDITION MEASUREMENT ANALYSIS INFORMATION AND MANAGEMENT METHOD FOR SKIN CONDITION MEASUREMENT ANALYSIS INFORMATION - Service can be offered free of charge and the cost of a skin condition measuring device can be reduced by effectively using data on the occasion of obtaining an analysis result by transmitting measurement data by the skin condition measuring device to a server of a company providing a service of analyzing the measurement data. When a request is made from a contractor client to acquire data registered in a measurement data database, authentication is executed based on a contractor ID input from the contractor client. Additionally, when the measurement data database is searched from a contractor database based on the contractor ID, a search level and an access level are obtained. The contractor client is permitted to search the measurement data database within a range of the search level and the access level. | 07-02-2015 |