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| Number | Title | Issue Date |
| 7930901 | Optical glass, precision press-molding preform, optical element and processes for production of these Provided are optical glasses having a phosphate-containing composition that can materialize highly useful optical properties including high-refractivity and high-dispersion properties; an optical glass comprising P2O5, SiO2 and Li | 04/26/2011 |
| 7827823 | Optical glass, precision press-molding preform, process for producing the preform, optical element and process for producing the element An optical glass having high refractivity and a low sag temperature and having a low-temperature softening property that enables precision press-molding is provided, and the optical glass contains, by mol %, 5 to 50% of B2O3, 3 to 50% of SiO | 11/09/2010 |
| 7735339 | Method of and apparatus for working a glass plate An apparatus for working a glass plate includes: a transporting device for bending a glass plate in a concave shape in a cross-sectional view in a transporting direction and transporting the glass plate from a cutting section to a bend-breaking section; a cutting de... | 06/15/2010 |
| 7603876 | Optical glass, shapable glass material for press-shaping, optical element and process for producing optical element An optical glass that has high-refractivity and high-dispersion properties, that is less colored and that is suitable for a shapable glass material for press-shaping and various optical elements, the optical glass containing, as glass components and by mass %, 10 to... | 10/20/2009 |
| 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 |
| 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 |
| 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 |
| 7333185 | Optical velocimeter, displacement information measurement device and conveying and processing device There is provided an optical velocimeter for achieving miniaturization and lower power consumption thereof and for accurately detecting two-dimensional travel velocity of a measured object. This optical velocimeter includes a light-emitting element, a diffraction gr... | 02/19/2008 |
| 7328594 | Processes for the production of glass article A process for stably and efficiently producing quality glass articles such as preforms at high yields, and a process for producing an optical device from the preform obtained by the above process. In the process for producing a glass article, molten glass gobs havin... | 02/12/2008 |
| 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 |
| 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 |
| 7312168 | Glass beads and uses thereof In one aspect, the invention provides glass beads and optical devices comprising the glass beads. In other aspects, the invention provides methods of making said glass beads and rapid glass screening methods that use glass beads. Glass beads of the invention compris... | 12/25/2007 |
| 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 |
| 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 |
| 7204649 | Optical component with holder and manufacturing method thereof As means of the present invention, first, on the optical element, a plate-like peripheral edge part which is protruding, while surrounding an effective part having an optical function thereof, outside from the effective part is provided. Furthermore, at a part of th... | 04/17/2007 |
| 7191618 | Large-sized substrate and method of producing the same A large-sized substrate having a diagonal length of not less than 500 mm and a ratio of flatness/diagonal length of not more than 6.0×10−6 is disclosed. By use of the large-sized substrate for exposure of the present invention, the exposure accuracy, p... | 03/20/2007 |
| 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 |
| 7163655 | Method and apparatus for extruding polymers employing microwave energy An apparatus and method for molding balloon catheters is disclosed. The balloon may be molded by providing a polymeric tube within a mold having an interior cavity in the shape of the desired balloon. Microwave energy, which may be generated by a gyrotron, may then ... | 01/16/2007 |
| 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 |
| 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 |
| 7140205 | Method of manufacturing glass optical elements Disclosed is a method of manufacturing ultraprecise lenses, including aspherical lenses, not requiring grinding or polishing after press molding. The method comprises heating a glass material to a temperature corresponding to a glass viscosity of from 105 | 11/28/2006 |
| 7134298 | Method of press-forming glass An object of the present invention is to provide a press-forming method for glass capable of uniformly heating press dies and a preform and preventing oxidation of the press dies. According to the press-forming method for glass of the present invention, a preform is... | 11/14/2006 |
| 7121119 | Press molding apparatus for an optical element and method of manufacturing the optical element A transfer arm holds a plurality of preforms arranged in a single line and simultaneously drops and supplies the preforms downward. A positioning arm has a pair of arm split members split in its widthwise direction. The arm split members have positioning surfaces fo... | 10/17/2006 |
| 7122242 | Wedge shaped glass and methods of forming wedged glass A glass sheet includes a first edge, an opposing, second edge, and an intermediate location between the first edge and second edge. The glass sheet has a first portion extending between the first edge and the intermediate location and a second portion extending betw... | 10/17/2006 |
| 7116888 | 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 same; Z is S, Se, Te, or a mixture of two or more of the same; and Y a... | 10/03/2006 |
| 7082790 | Quartz glass blank for an optical component, and manufacturing procedure and use thereof The present invention relates to a quartz glass blank for an optical component for transmission of ultraviolet radiation of a wavelength of 250 nm or shorter, and to a use of the quartz glass blank in microlithography in combination with ultraviolet radiation of a w... | 08/01/2006 |
| 7080527 | Quartz glass blank for an optical component, and manufacturing procedure and use thereof The present invention relates to a quartz glass blank for an optical component for transmission of ultraviolet radiation of a wavelength of 250 nm or shorter, and to a use of the quartz glass blank in microlithography in combination with ultraviolet radiation of a w... | 07/25/2006 |
| 7073352 | Method and a machine for the production of hollow glassware articles A method and a machine for the production of hollow glassware articles, by the blow-and-blow, press-and-blow, press-and-blow paste mold and direct-press processes in a glassware forming machine including single or multiple machine sections each having single or mult... | 07/11/2006 |
| 7065986 | Molding assembly A molding assembly, that includes: a plurality of support pillars fixedly attached to a support structure, wherein each support pillar includes a recessed seat; a mold support member, and; a flexible ring for holding a mold in contact with the mold support member, w... | 06/27/2006 |
| 7062942 | Method of manufacturing glass optical fibre preforms and optical fibres A method of making an optical fibre including providing an increased diameter portion on a rod. The rod is assembled by positioning the rod in a tube such that an annular gap is defined between an outer surface of the rod and an inner surface of the tube, and such t... | 06/20/2006 |
| 7024887 | Method and a machine for the production of hollow glassware articles A method and a machine for the production of hollow glassware articles, by the blow-and-blow, press-and-blow, press-and-blow paste mold and direct-press processes in a glassware forming machine including single or multiple machine sections each having single or mult... | 04/11/2006 |
| 7015164 | Optical glass, glass material for press molding, optical element, and method of manufacturing same Disclosed is an optical glass comprising, expressed as weight percentages, greater than or equal to 18 percent and less than 30 percent of SiO2, greater than or equal to 12 percent and less than 23 percent of BaO, 22 to 37 percent TiO2, greater... | 03/21/2006 |
| 7013676 | Press molding apparatus In a press molding apparatus for press molding a plurality of glass materials into a plurality of glass optical elements by the use of a pressing mold including upper and lower molds each of which has a plurality of molding surfaces, at least one of the upper and th... | 03/21/2006 |
| 7007513 | Method of manufacturing glass parts for connection of optical fibers, method of manufacturing mother glass to produce glass parts, and glass parts for connection of optical fibers A method of manufacturing glass parts for connection of glass fibers is provided, which can improve the accuracy of the cross-sectional size of a through hole in the glass part. A mother glass having a similar cross section to a desired cross section of a glass part... | 03/07/2006 |
| 6997019 | Molding process of disk with shaft shaped portion A press die and a molding process can form a disk member having a shaft shaped portion at a center with satisfactory circularity and flatness in a disk portion, dimensional precision in the shaft shaped portion, and concentricity between the disk portion and the sha... | 02/14/2006 |
| 6979420 | Method of molding balloon catheters employing microwave energy An apparatus for molding balloon catheters is disclosed. The balloon may be molded by providing a polymeric tube within a mold having an interior cavity in the shape of the desired balloon. Microwave energy, which may be generated by a gyrotron, may then be directed... | 12/27/2005 |
| 6951119 | Method for producing micromechanical and micro-optic components consisting of glass-type materials What is proposed here is a method of structuring surfaces of glass-type materials and variants of this method, comprising the following steps of operation: providing a semiconductor substrate, structuring, with the formation of recesses, of at least one surface of t... | 10/04/2005 |
