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| Number | Title | Issue Date |
| 7386998 | Method of manufacturing holder-mounted optical element A cylindrical holder material having a thin deformed portion is located in a press forming die. An optical element material is installed inside the holder material and the holder material and the optical element material are heated to their respective softening temp... | 06/17/2008 |
| 7216510 | Method for the forming of glass or glass ceramics A process for forming glass or glass ceramics is disclosed, wherein a glass ceramics form (12) is made from a starting glass by molding, which is transformed by a heat treatment into a keatite glass ceramic comprising predominantly keatite mixed crystals. Wit... | 05/15/2007 |
| 7197217 | Method of making a fiberoptic light guide A method of making a fiberoptic light guide utilizes a hollow glass cladding blackened by chemical reduction. The cladding has a predetermined lead content and is heated to an elevated temperature in an atmosphere of substantially 100% hydrogen gas in a furnace. The... | 03/27/2007 |
| 7171827 | System and method for automated casting of infrared glass optical components In accordance with the present invention, a system and method for the automated casting of infrared glass optical components is provided. The system includes a mold for casting infrared glass into lenses, a mold chamber operable to heat the mold to a temperature abo... | 02/06/2007 |
| 7159420 | System and method for forming infrared glass optical components A system and method for forming infrared glass optical components are provided. The system includes first and second mold halves having first and second respective faces. The first and second mold halves are configured to be removably coupled such that the first fac... | 01/09/2007 |
| 7159419 | System and method for vapor pressure controlled growth of infrared chalcogenide glasses A system and method for preparing chalcogenide glass are provided that allow for larger quantities of glass to be produced with lower production costs and less risks of environmental hazards. The system includes a reaction container operable to hold chalcogenide gla... | 01/09/2007 |
| 7062135 | Method for fabricating curved elements The present invention provides methods for forming convex and concave elements on the ends of supporting members. A convex element may be formed by forming a droplet on the end of the supporting member, then curing the droplet. The size of the droplet may be control... | 06/13/2006 |
| 7057766 | Apparatus for and method of outputting image In a digital printing process employing a CTP device 14, hues can easily be changed in a process of generating printing plates without going back to a prior process. A plurality of gradation conversion curves whose gradation characteristics are different step... | 06/06/2006 |
| 7017370 | Method and device for the homogenous heating of glass and/or glass-ceramic articles using infrared radiation A method for the homogeneous heating of semitransparent and/or transparent glass and/or glass-ceramic articles using infrared radiation so that the glass and/or glass-ceramic articles undergo heat treatment at between 20 and 3000° C., notably at between 20 and 1705... | 03/28/2006 |
| 7015641 | Reduced veiling glare cathode window A faceplate (F) for an image intensifier tube (10) for reducing veiling glare begins as a blank (36) of optical material of a desired glass composition having a shape that conforms substantially to a configuration of the faceplate (F) to be produced. A... | 03/21/2006 |
| 7007510 | Method of producing an optical member An object of the present invention is to provide an improved blank such that an optical member of a high homogeneity can be obtained therefrom, and to provide a vessel and a heat treatment method for heat-treating a highly uniform synthetic quartz blank. In a first ... | 03/07/2006 |
| 7003983 | Method of manufacturing optical glass element, and optical glass element manufactured using the method A method of manufacturing an optical glass element for which flatness and smoothness of the surfaces of the optical glass element can be improved while securing the similarity of the cross-sectional shape of the optical glass element to that of the mother glass, and... | 02/28/2006 |
| 7000430 | Method of forming glass-ceramic parts and/or glass parts The invention relates to a method of producing glass-ceramic parts and/or glass parts by deformation of a glass-ceramic blank and/or glass blank. The invention is characterized in that forming is carried out using infrared radiation. ... | 02/21/2006 |
| 6995915 | Manufacturing method of micro-lens, manufacturing method of solid-state image pickup device and solid-state image pickup device The present invention intends to provide a manufacturing method of a heat resistant micro-lens. The manufacturing method includes forming on a substrate an inorganic film having the optical transparency; forming, at positions that are on the inorganic film and corre... | 02/07/2006 |
| 6965478 | Microlens arrays Systems and methods for providing a light controlling structure, generally referred to as a microlens or microlens array. For example, in accordance with an embodiment of the present invention, a light controlling structure may be employed to provide a display scree... | 11/15/2005 |
| 6950239 | Method for making micro-lens array A method for manufacturing a light controlling structure, generally referred to as a microlens or microlens array. The method including providing a bundle of optically transparent members; cutting the bundle of optically transparent members to form at least one shee... | 09/27/2005 |
| 6948341 | Cylindrical microlens with an internally reflecting surface and a method of fabrication A fast (high numerical aperture) cylindrical microlens, which includes an internally reflective surface, that functions to deviate the direction of the light that enters the lens from its original propagation direction is employed in optically conditioning laser dio... | 09/27/2005 |
| 6849114 | Dispersion comprising silicon/titanium mixed oxide powder, and green bodies and shaped glass articles produced therefrom Aqueous dispersion comprising silicon/titanium mixed oxide powder with a BET surface area of 5 to 500 m2/g which has been prepared by flame hydrolysis and has a titanium dioxide content of 0.5 to 20 wt. %, based on the powder, water and at least one pH-re... | 02/01/2005 |
| 6829109 | Holder-mounted optical element Provided is a high-precision holder-mounted optical element that makes it possible to correct a volume error of an optical element material. In a holder-mounted optical element 1 where an optical element 20 is accommodated into a cylindrical holder ... | 12/07/2004 |
| 6760165 | System and method for manufacturing an assembly including a housing and a window member therein Described is an assembly which includes a housing and a window member therein. Also, described is a method and system for manufacturing such assembly. In particular, a first part and a second part are approximated into a molding configuration to create a first mold ... | 07/06/2004 |
| 6668588 | Method for molding chalcogenide glass lenses A method for molding a chalcogenide glass lens includes providing a mold. A preformed lens of chalcogenide glass is placed within the mold. The lens has a top surface and a bottom surface. An amount of chalcogenide glass is deposited within the mold and o... | 12/30/2003 |
| 6626010 | Method for floating glass lump, method for preparing glass lump and method for preparing molded glass, and apparatus used for the methods A method of floating glass gobs by means of a gas flow. A method of manufacturing glass gobs by floating a molten glass gob and simultaneously cooling it. A method of manufacturing glass spheres by floating a softened glass gob and simultaneously renderin... | 09/30/2003 |
| 6598429 | Method for fabricating gradient-index rods and rod arrays A method for fabricating gradient-index rods and rod arrays. A central rod of optical glass having predetermined properties and predetermined outside dimensions is placed inside a tube of optical glass having predetermined properties and predetermined out... | 07/29/2003 |
| 6532767 | Methods for producing fused silica glass Methods for producing high purity fused silica (HPFS) glass having desired levels of dissolved hydrogen are provided. The methods involve measuring the level of hydrogen in the cavity of the furnace used to produce the glass and controlling the pressure w... | 03/18/2003 |
| 6504657 | Optical member An optical member having a toric functional surface has a marking which is made by a configuration of a mold used to form the optical member. The marking is formed in the optical member outside an effective area of the functional surface of the optical me... | 01/07/2003 |
| 6385997 | Method for forming a tool for molding microlens arrays A method for fabricating a mold tool for molding optical elements is taught which comprises heating a mold tool blank made from a vitreous material to a temperature above the glass transition temperature of the vitreous material; generating an axial visco... | 05/14/2002 |
| 6363747 | Glass mold material for precision glass molding A method for making working mold tools for use in a compression molding process for molding optical glass elements from high temperature glasses having Tg 's in the range of from about 400° C. to about 850° C. An yttria aluminosilicate glass ... | 04/02/2002 |
| 6295172 | Molding apparatus, optical element molding method, and optical element and prism as molded products It is an object of this invention to provide a molding apparatus capable of obtaining an optical element of which both an optical functional surface and a lens mounting reference can be molded simultaneously and which has an appropriate lens thickness. In... | 09/25/2001 |
| 6189339 | Method for producing silica glass used for photolithography A method for producing a silica glass for photolithography, which comprises the following steps: jetting a starting material gas, an oxygen gas and a hydrogen gas from a burner and depositing and consolidating silica glass powder on a target to form an in... | 02/20/2001 |
| 6079228 | Forming method of glass element A method of molding a glass element in which a glass material is heated and then press-molded between an upper mold and a lower mold when a temperature of the heated glass material reaches a predetermined temperature. A first cooling of the glass element ... | 06/27/2000 |
| 5994248 | Optical lenses and processes of manufacture The invention relates to lenses such as aspherical lenses and to a process for their manufacture. According to the invention, the lens is composed of a glass matrix including the constituents below in the following weight proportions: __________... | 11/30/1999 |
| 5987924 | Lens mold and method of manufacturing a lens A lens device which can be used as an objective lens in an optical pickup apparatus includes an objective lens provided along a light path facing a disc and having a predetermined effective diameter, and light controlling means provided along the light pa... | 11/23/1999 |
| 5973865 | Ophthalmic filter materials An ophthalmic filter material having a photopic transmittance (YP) higher than the scotopic transmittance (YS), the ratio of YP :YS being in the range of 2.0-4.0, a dominant wavelength within the ranges of 580-6... | 10/26/1999 |
| 5917105 | Method of manufacturing a grin lens A method is provided of manufacturing an optical element having an optical axis, and including a plurality of definable adjacent zones of optical material, each zone having a definable refractive index different from the refractive index of an adjacent zo... | 06/29/1999 |
| 5904746 | Method for producing vitreous optical elements by injection molding with pressure application Method and apparatus for producing vitreous optical elements by injection molding, which essentially includes the stages of: melting down a glass material into a molten state in a viscosity at or lower than a working point of the glass material; injecting... | 05/18/1999 |
| 5851255 | Method for manufacturing lens with lens barrel A method for manufacturing a lens with a lens barrel having a stopper by forming a uniform optical function coating on both lens surfaces. The method includes the steps of forming a first optical function coating on one side of a lens material, then inser... | 12/22/1998 |
| 5817161 | Optical element forming method In forming a piano-convex lens from a column-like lens blank by heating the blank to a temperature higher than the transition temperature thereof and by pressurizing an upper die with a closed space formed between the blank and the upper die, there are al... | 10/06/1998 |
| 5805336 | Optical lens blank with polarizer aligned between plastic birefringent sheets A thermoformed plastic laminar light-polarizing composite lens blank is produced from a laminate comprising a light-polarizing layer between polymeric layers. The absorption axis of the light-polarizing layer of the laminate is aligned to substantial para... | 09/08/1998 |
| 5725626 | Method for manufacturing an optical element by bonding a plurality of elements An optical element manufactured by bonding a plurality of elements by hydrolysis product of alcoholate, metal acid ester or metal hydrate colloid, and a method for manufacturing the same are disclosed.... | 03/10/1998 |
| 5720791 | Method of producing an optical lens element An optical lens element is produced by the following steps of: preparing a glass pre-form; forming a metal thin layer or a powder layer, said metal thin layer including gold, platinum, rhodium, nickel, or palladium; and pressing the glass pre-form with the metal th... | 02/24/1998 |
