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| Number | Title | Issue Date |
| 8122740 | Method for generating raised or recessed structures on hollow bodies, preferably comprised of glass The invention relates to a method for the generation of raised and/or recessed structures on workpieces comprising the steps: applying a pressure difference between one side of a wall of the workpiece and another side substantially opposite thereto; local heating of... | 02/28/2012 |
| 8015843 | Method and device for selectively changing the contour of the surface of an optical lens made of glass or a glass-type material A method and a device are disclosed for follow-up treatment of the contour of the surface of at least one optical lens, in particular a microlens which is made of glass or a glass-type material and which has a convex lens surface delimited by a circumferential line ... | 09/13/2011 |
| 7966844 | Press mold and method of manufacturing optical element A first sleeve 30 regulates the horizontal relative position between an upper mold 10 and a lower mold 20 that are insertable into the first sleeve 30 from its both end sides. A second sleeve 40 provided inside the first sleeve ... | 06/28/2011 |
| 7845192 | Methods for producing substrate blank A method for producing a thin-plate-shaped substrate blank that is an intermediate for a glass substrate, in which the occurrence of undulation is prevented and the substrate blank is produced with high accuracy, the method comprising press-molding a glass in a soft... | 12/07/2010 |
| 7765832 | Method of producing reflectors from glass or glass ceramics The invention provides a method of producing reflectors from glass or glass ceramics comprising the steps of: molding a reflector being open to the outside and having a closed bottom in a mold at a temperature above the transformation temperature; placing the reflec... | 08/03/2010 |
| 7743631 | Method of forming an optical lens by drawing material with curved surface parts An optical lens manufacturing method according to the present invention comprises: an optical lens base material preparation step of preparing an optical lens base material 40, which is formed of light transmitting material, has a columnar shape, and is provi... | 06/29/2010 |
| 7415842 | Optical glass element and manufacturing method thereof The present invention relates to a manufacturing method for an optical glass element, in which molten glass 9 is pressed between a lower mold 1 and an upper mold 8, and the pressing process is carried out while maintaining a space 10 betw... | 08/26/2008 |
| 7415843 | Apparatus and method for producing a glass optical element and glass optical element produced thereby In a method of manufacturing a glass optical element by press-forming a glass material in a chamber by using a forming mold comprising upper and lower dies at least one of which is movable, where a surrounded space is formed between the glass material and at least o... | 08/26/2008 |
| 7383697 | Optical element molding method A method for molding an optical element by pressing a glass material in a mold, the method having the steps of: heating to soften the glass material outside a cavity of the mold; heating the mold; and pressing the glass material with the mold after putting the glass... | 06/10/2008 |
| 7373792 | Method for producing optical components For producing large volume optical components of high optical quality from synthetic quartz glass blanks, the latter are heated in a component mold in a furnace with a protective gas atmosphere to a temperature 50° to 170° K above the softening point, this tempera... | 05/20/2008 |
| 7363777 | Closed cassette and method for heat treating glass sheets A convection compatible closed cassette and method are described herein where the closed cassette is used to heat treat (compact) one or more glass sheets in a uniform manner and in a clean environment. In the preferred embodiment, the closed cassette includes multi... | 04/29/2008 |
| 7353666 | Method for press molding a glass optical element A molding apparatus for molding a press-molded product by heating and softening a material and press-molding the material into a predetermined shape by the use of a mold, includes a pair of dies which form the mold, each of which comprises a molding surface facing w... | 04/08/2008 |
| 7354536 | Method of manufacturing an optical component having a holder A method of manufacturing an optical component having an optical element and a holder attached to the optical element, comprising the steps of: inserting a blank for the optical element into a through hole of the holder wherein the through hole has a narrowed portio... | 04/08/2008 |
| 7341442 | Mold for molding lenses An exemplary mold for molding lenses includes an upper mold core, a lower mold core, and a shell. The upper mold core has a first convex molding surface. The lower mold core has a second convex molding surface opposite to the first convex molding surface. The shell ... | 03/11/2008 |
| 7334769 | Resin molding machine and member for resin molding machine having film in passive state A member for a resin molding machine wherein it has a face contacting with a molten resin, and at least a part of the face is covered with a film of an oxide of a base material of the face or a component contained in the base material. The use of the member in the m... | 02/26/2008 |
| 7330634 | Chalcogenide glass for low viscosity extrusion and injection molding The invention is directed to chalcogenide glasses suitable for use in plastics forming processes. The glasses have the general formula YZ, where Y is Ge, As, Sb or a mixture of two or more of the sane; Z is Se, Te, or a mixture of Se+Te; and Y and Z are present in a... | 02/12/2008 |
| 7325418 | Press forming system for glass The present invention is directed to reduce the total footprint of a press forming system for glass having a plurality of press units, and also to increase an actual availability of each press unit. A plurality of press units are arranged in two parallel rows and a ... | 02/05/2008 |
| 7322215 | Method for blank pressing of optical components Methods for press molding a glass body, especially for optical applications, without additional grinding and polishing steps are described. One method is performed with a press mold having an upper mold part, a lower mold part and, if necessary or desired, a ring. I... | 01/29/2008 |
| 7313930 | Method and apparatus for manufacturing glass substrate for storage medium A method of manufacturing a glass substrate for a storage medium by pressing a glass material between an upper and a lower dies. The method includes a heating step of heating the glass material arranged between the upper and lower dies, a pressing step of pressing t... | 01/01/2008 |
| 7309670 | Optical glass; press-molding preform and method of manufacturing same; and optical element and method of manufacturing same The present invention relates to optical glass having a high refractive index, high dispersion, and a low glass transition temperature; a preform comprised of the optical glass for precision press-molding and a method of manufacturing the same; and an optical elemen... | 12/18/2007 |
| 7305854 | Methods for producing substrate blank A method for producing a thin-plate-shaped substrate blank that is an intermediate for a glass substrate, in which the occurrence of undulation is prevented and the substrate blank is produced with high accuracy, the method comprising press-molding a glass in a soft... | 12/11/2007 |
| 7293430 | Press molding apparatus and press molding method of optical element A press molding apparatus includes upper and lower molding dies each having a molding surface facing each other, and a driving device which moves at least one of the upper and lower molding dies in a vertical direction so that the upper and lower molding dies are op... | 11/13/2007 |
| 7294373 | Liquid crystal display cell, display cell, glass substrate for display device and manufacturing method for liquid crystal display cell A liquid crystal display device includes a liquid crystal display cell including lamination of a lower polarizer, a first glass substrate having a metal oxide glass film formed on the side of the lower polarizer, a liquid crystal layer, a second glass substrate havi... | 11/13/2007 |
| 7275397 | Method of molding a silica article Disclosed are high temperature free-flow mold for the production of near net-shape silica articles and method for the production of near net-shape silica articles. The mold is preferably made of graphite, preferably coated with SiC on the surfaces of the mold cavity... | 10/02/2007 |
| 7255550 | Press-molding mold A press-molding mold includes a first mold (10), a second mold (20), a complementary element (30) arranged between the first mold (10) and the second mold (20), a washer (40) arranged between the second mold (10) and ... | 08/14/2007 |
| 7231787 | Apparatus and method for bending and/or tempering glass An apparatus and method for bending and/or tempering glass substrate(s) are provided. The amount of near-IR radiation which reaches the glass to be bent and/or tempered is limited (e.g., via filtering or any other suitable technique). Thus, the IR radiation (used fo... | 06/19/2007 |
| 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 |
| 7206493 | Method and apparatus for creating circumferential flat surfaces on round cross section polymer optical fiber For creating flat surfaces along the circumference of a polymer optical fiber of a round cross section by machining, the polymer optical fiber is wound onto a mandrel in a plurality of windings, the mandrel having a generally non-circular cross section with at least... | 04/17/2007 |
| 7179536 | Optical element having a low surface roughness, an optical pickup device including the optical element, and a die for making the optical element An optical pickup device for recording and/or reproducing information in an optical information recording medium, comprises a light source to emit light flux having a central wavelength not longer than 500 nm; a converging optical system to converge the light flux e... | 02/20/2007 |
| 7176492 | Method for forming ceramic microstructures on a substrate using a mold and articles formed by the method A microstructured assembly including a barrier portions and land portions is described. The microstructures have alternating barrier portions and land portions that have barrier surfaces and land surfaces, respectively. Each barrier surface and land surface is conne... | 02/13/2007 |
| 7174745 | Apparatus for press-forming molten bodies An apparatus for press-forming a molten gob made of meltable material, especially of glass or glass ceramics, into a body of specific shape with compression moulds which form with each other a form cavity for receiving the gob. The compression moulds consist at leas... | 02/13/2007 |
| 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 |
| 7165893 | Multi-fiber optical connect An optical connector comprises a first block having a channel for accommodating a first set of optical cables and a second block having a channel for accommodating a second set of optical cables. Each block has three protrusions, each adapted to be engaged to a resp... | 01/23/2007 |
| 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 |
| 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 |
| 7155936 | Doped silica glass articles and methods of forming doped silica glass boules and articles The present invention provides doped titania-doped silica glass articles having low thermal expansions and low variations in thermal expansion. According to one embodiment of the invention, a titania-doped silica glass article has a titania content of between about ... | 01/02/2007 |
| 7152434 | Method for producing planar lens and planar lens array A glass substrate is irradiated with a converged laser beam to thereby form a spherical or nearly spherical convex portion on a surface of the glass substrate. More preferably, there may be used a method including the steps of: sticking a glass substrate to a flat m... | 12/26/2006 |
| 7146828 | Glass molding die A molding die for molding glass thousand times is provided in the invention. The molding die includes a substrate, a first intermediate layer of Ni-containing Ir—Re alloy overlying the substrate, a second intermediate layer of metal-containing Ir—Re alloy overly... | 12/12/2006 |
| 7145724 | Optical lens and semiconductor laser device The optical lens 1 in accordance with the present invention comprises an optically effective part 5, formed as a curved surface in at least one of light-entrance and light-exit faces, for acting in an X-axis direction on light emitted from a light-emit... | 12/05/2006 |
| 7143609 | Low-temperature fabrication of glass optical components A method is provided for molding from glass certain complex optical components, such as lenses, microlens, arrays of microlenses, and gratings or surface-relief diffusers having fine or hyperfine microstructures suitable for optical or electro-optical applications. ... | 12/05/2006 |
