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| Number | Title | Issue Date |
| 8099980 | I.S. machine An I.S. Machine is provided wherein the blow molds are closed to a slightly cracked location whereby applied cooling air can not leak into and pressurize the blow mold thereby damaging the parison during reheat. When reheat is completed, the blow molds are fully clo... | 01/24/2012 |
| 7854143 | Optical fiber preform with improved air/glass interface structure An optical fiber preform comprising a plurality of longitudinal air holes is subjected to a thermal treatment (i.e., heating), coupled with the application of a compressive force on either end of the heated preform to compress the entire preform structure a predeter... | 12/21/2010 |
| 7490485 | Optical glass, press-molding glass gob and optical element An optical glass whose refractive index is high and whose coloring is decreased comprising, by weight %, 2 to 45% of B2O3, 0 to 30% of SiO2 provided that the content of B2O3>the content of SiO2, 10 to... | 02/17/2009 |
| 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 |
| 7291059 | Process and apparatus for cutting sheet glass A process for cutting a sheet glass includes a first step of forming a groove conformed to a cutting shape in one surface of a sheet glass by a water jet, and a second step of forming a groove in the other surface of the sheet glass by a water jet to reach the groov... | 11/06/2007 |
| 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 |
| 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 |
| 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 |
| 6844279 | Optical glass, press-molding preform and optical part A high-refractivity low-dispersion optical glass that gives press-molding preforms excellent in high-temperature shapability and suitable for precision press-molding, including an optical glass comprising B2O3, La2O3, Gd | 01/18/2005 |
| 6813904 | Differential pressure process for fabricating a flat-panel display faceplate with integral spacer support structures A process for fabricating a faceplate for a flat-panel display such as a field emission cathode type display is disclosed, the faceplate having integral spacer support structures. Also disclosed is a product made by the aforesaid process. ... | 11/09/2004 |
| 6641663 | Silica crucible with inner layer crystallizer and method A silica glass crucible is disclosed comprising a barium-doped inner wall layer. The crucible is made by introducing into a rotating crucible mold bulk silica grain to form a bulky wall. After heating the interior of the mold to fuse the bulk silica grain... | 11/04/2003 |
| 6631627 | Differential pressure process for fabricating a flat-panel display face plate with integral spacer support structures and a face plate produced by such process A process for fabricating a face plate for a flat-panel display such as a field emission cathode type display is disclosed, the face plate having integral spacer support structures. Also disclosed is a product made by the aforesaid process.... | 10/14/2003 |
| 6598426 | Method of making a vehicle window with opaque layer A method of making a vehicle windshield or other window. An opaque layer (e.g., enamel or water-based) is applied to a glass sheet and then "fired" or cured. The opaque layer is preferably black or dark in color. Thereafter, the sheet with the opaque laye... | 07/29/2003 |
| 6564586 | Differential pressure process for fabricating a flat-panel display face plate with integral spacer support structures A process for fabricating a face plate for a flat panel display such as a field emission cathode type display is disclosed, the face plate having integral spacer support structures. Also disclosed is a product made by the aforesaid process.... | 05/20/2003 |
| 6442973 | Synthetic silica glass and its manufacturing method A method is provided for manufacturing a synthetic silica glass. The method includes the steps of maintaining a silica glass member, which is formed using a flame hydrolysis method and having an OH group concentration of about 500 ppm to about 1300 ppm, a... | 09/03/2002 |
| 6393869 | Differential pressure process for fabricating a flat-panel display face plate with integral spacer support structures A process for fabricating a face plate for a flat panel display such as a field emission cathode type display, the face plate having integral spacer support structures is disclosed. Also disclosed is a product made by the aforesaid process. The support st... | 05/28/2002 |
| 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 |
| 6375737 | Method of self-assembly silicon quantum dots A method of self-assembling silicon quantum dots comprises the steps of providing a substrate, forming a thin amorphous Si film, and forming a plurality of Si quantum dots by controlling the energy and the shooting numbers of an excimer laser during an an... | 04/23/2002 |
| 6321571 | Method of making glass structures for flat panel displays An assembly of rib structures sandwiched between a dielectric glass layer and a glass substrate for use in a flat panel display, such as plasma addressed liquid crystal (PALC) displays, is formed by a number of methods. One method includes molding thermop... | 11/27/2001 |
| 6289695 | Vacuum fusion bonding of glass plates An improved apparatus and method for vacuum fusion bonding of large, patterned glass plates. One or both glass plates are patterned with etched features such as microstructure capillaries and a vacuum pumpout moat, with one plate having at least one hole ... | 09/18/2001 |
| 6279348 | Differential pressure process for fabricating a flat-panel display face plate with integral spacer support structures A process for fabricating a face plate for a flat panel display such as a field emission cathode type display, the face plate having integral spacer support structures is disclosed. Also disclosed is a product made by the aforesaid process. The support st... | 08/28/2001 |
| 6230520 | Process for preparation of glass optical elements A method disclosed can mold glass optical elements having a good surface precision with a relatively short cycle time even where glass optical elements are manufactured in largely transforming a glass material. This method is, for example, a molding metho... | 05/15/2001 |
| 6224662 | Use of novel glass compositions in preparing dental glass pillars and support pillars, and method for producing the glass pillars The present invention relates to the use of novel glass compositions in preparing dental glass pillars and support pillars, and method for producing the glass pillars. The glass material comprises a high percent of boron trioxide which makes possible a re... | 05/01/2001 |
| 6205819 | Method for vacuum fusion bonding An improved vacuum fusion bonding structure and process for aligned bonding of large area glass plates, patterned with microchannels and access holes and slots, for elevated glass fusion temperatures. Vacuum pumpout of all components is through the bottom... | 03/27/2001 |
| 6131410 | Vacuum fusion bonding of glass plates An improved apparatus and method for vacuum fusion bonding of large, patterned glass plates. One or both glass plates are patterned with etched features such as microstructure capillaries and a vacuum pumpout moat, with one plate having at least one hole ... | 10/17/2000 |
| 6101846 | Differential pressure process for fabricating a flat-panel display face plate with integral spacer support structures A process for fabricating a face plate for a flat panel display such as a field emission cathode type display, the face plate having integral spacer support structures is disclosed. Also disclosed is a product made by the aforesaid process. The support st... | 08/15/2000 |
| 6082140 | Fusion bonding and alignment fixture An improved vacuum fusion bonding structure and process for aligned bonding of large area glass plates, patterned with microchannels and access holes and slots, for elevated glass fusion temperatures. Vacuum pumpout of all the components is through the bo... | 07/04/2000 |
| 5999315 | Polarizer and a production method thereof and an optical isolator Plural layers of metallic particle layers in which metallic particles having morphological anisotropy are dispersed and dielectric layers are alternately stacked on at least one pricipal surface of a substrate having transparency to form a polarizing laye... | 12/07/1999 |
| 5951732 | Method of glass forming A method of forming glass uses the steps of forming base glass from layered stacks of colored glass; V-Grooving a plurality of base glass layers; stacking the grooved layers; heating and maintaining at an elevated temperature for flow and air entrainment ... | 09/14/1999 |
| 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 |
| 5908482 | Method for producing a silica glass A silica glass has a structure determination temperature of 1200K or lower and a hydrogen molecule concentration of 1×1017 molecules/cm3 or more. The silica glass is used together with light in a wavelength region of 400 nm or short... | 06/01/1999 |
| 5907770 | Method for producing semiconductor device An amorphous silicon film is formed on a flat glass substrate, and then crystallized by heating to obtain a crystalline silicon film. The glass substrate is placed on a stage having a convex U-shaped curved surface. The glass substrate is heated for a des... | 05/25/1999 |
| 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 |
| 5864427 | Polarizer and production method thereof A metal such as Au and a dielectric such as borosilicate glass are simultaneously sputtered to form a film on a glass substrate. Next, this film is heated to grow metal particulates. Next, the substrate is drawn on heating to give an anisotropy to the met... | 01/26/1999 |
| 5853446 | Method for forming glass rib structures A method and apparatus for making formed glass structures. A glass frit containing material is deposited within a recessed pattern, hardened in the recessed pattern, and transferred to a substrate. The method and apparatus of the invention are particularl... | 12/29/1998 |
| 5837108 | Matchable, heat treatable, durable, ir-reflecting sputter-coated glasses and method of making same A sputter-coated layer system including a non-nitrided and non-oxidized nickel or nickel alloy layer located between two layers of Si3 N4 of the requisite thicknesses and used for architectural and automotive glass substrates so as t... | 11/17/1998 |
| 5837026 | Method for producing a glass panel for a cathode ray tube Air is blowed before an annealing step to corner portions in an inner face portion of a glass panel which has been press-formed in a mold to cool that portions to be stronger than the other portion whereby a temperature difference between the corner porti... | 11/17/1998 |
| 5788731 | Process for manufacturing a crystallized glass substrate for magnetic discs A process for producing a crystallized glass substrate for magnetic disks, including the steps of: (a) holding an amorphous glass plate having a uniform thickness and two principal flat surfaces thereof between a pair of pressing setters in a sandwiched f... | 08/04/1998 |
| 5785729 | Method for manufacturing large-sized quartz glass tube A method for fabricating a large-sized primary treated quartz glass tube by perforating a cylindrical quartz glass mother material by a hot carbon drill press-in-process followed by etching and washing. The large-sized primary treated quartz glass tube is... | 07/28/1998 |
| 5766291 | Method for producing heat-resistant synthetic quartz glass A porous silica body with a density of 0.1 g/cm3 to 0.5 g/cm3 and a density variation of less than 30% is subjected to a first heat-treatment in an ammonia-containing atmosphere, a second heat-sintering in non-oxidizing atmosphere, a... | 06/16/1998 |
