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| Number | Title | Issue Date |
| 7661277 | Quartz glass having excellent resistance against plasma corrosion and method for producing the same As a jig material to use under plasma reaction for producing semiconductors, the present invention provides a quartz glass having resistance against plasma corrosion, particularly corrosion resistance against fluorine-based plasma gases, and which is usable without ... | 02/16/2010 |
| 7434420 | Process for glass molding A process for glass molding includes the steps of: gradually increasing a working temperature to a formation temperature T1 while maintaining a normal pressure and an initial mold position; maintaining the formation temperature T1 for about 60 ... | 10/14/2008 |
| 7312170 | Optical synthetic quartz glass and method for producing the same The present invention provides an optical synthetic quartz glass material which substantially does not cause changes in transmitted wave surface (TWS) by solarization, compaction (TWS delayed), rarefaction (TWS progressed) and photorefractive effect when ArF excimer... | 12/25/2007 |
| 7297646 | Ceramics comprising AlO, REO, ZrOand/or HfO, and NbOand/or TaOand methods of making the same Ceramics comprising (i) at least one of Nb2O5 or Ta2O5 and (ii) at least two of (a) Al2O3, (b) REO, or (c) at least one of ZrO2 or HfO2. Embodiments of ceramics according to the ... | 11/20/2007 |
| 7287401 | System and method for cylindrically forming glass sheets A system (10) and method for cylindrically forming and quenching glass sheets includes a furnace (12), a bending station (16) at the exit end of the furnace for providing cylindrical bending, a roll bending station (18) located externally... | 10/30/2007 |
| 7228717 | Apparatus for glass sheet forming with cross curvature A glass sheet forming system (20) provides continuous roll conveyed forming of heated flat glass sheets to formed shapes having a major axis of curvature and a minor axis of curvature perpendicular to each other. The forming is performed by a roll station ( | 06/12/2007 |
| 7204400 | Method for glass separation for flat panel displays A method and apparatus for separating glass panels that minimizes process failures and improves separation process consistency by utilizing a separation handle which applies the minimal pressure necessary to remove the edge portion from the glass panel. The glass pa... | 04/17/2007 |
| 7175786 | Methods of making AlO-SiOceramics Methods for making glasses and glass-ceramics comprising Al2O3 and SiO2. Glasses made according to the present invention can be made, formed as, or converted into glass beads, articles (e.g., plates), fibers, particles, and thin coat... | 02/13/2007 |
| 7086252 | System and method for continuous forming of glass sheets A glass sheet forming system (20) includes a roll bending station (28) having a lower roll conveyor (30) and an upper roll former (32) between which a heated glass sheet is progressively formed with a curved shape by lower and upper rolls... | 08/08/2006 |
| 7017371 | Method for producing a glass Glass produced on basis of a raw material in form of a mixture of mainly mineral-containing components comprising sludge from e.g. purification plants and waste products from the industry, and having a determined chemical composition adjusted on basis of knowledge o... | 03/28/2006 |
| 6918268 | Plate-shaped member positioning apparatus and glass sheet bending apparatus There is provided a plate-shaped member positioning apparatus comprising a conveyor for conveying a plate-shaped member, a positioner for contact with a front end of a conveyed plate-shaped member, a moving unit for moving the positioner along a conveyance direction... | 07/19/2005 |
| 6902708 | Method and apparatus for making carbon black Methods and apparatus are presented for producing carbon black on a substrate. One preferred method includes providing a head assembly including a nozzle, the nozzle including a first injector for injecting a gas such as acetylene, and a second injector for injectin... | 06/07/2005 |
| 6890873 | Glass prepared from pyrogenically prepared silicon dioxide Pyrogenically prepared silicon dioxide with the following physicochemical properties: 1. Average particle size (D50 value) D50≧150 nm (dynamic light scattering, 30 wt %) 2. Viscosity (5 rpm,... | 05/10/2005 |
| 6818308 | Glass substrate for display and method of selecting it A glass substrate for a display with a thickness of from 0.3 to 6 mm, which has an average WCA (filtered center line waviness: JIS B0651) of from 0.03 to 0.5 μm measured with a contact-type surface roughness measuring instrument using a phase compensatio... | 11/16/2004 |
| 6645893 | Glass suitable for optical functional elements and process for producing same A glass includes (a) a matrix containing a compound of at least one nonmetallic element; and (b) a particle selectively formed in the matrix. This particle is made of the at least one nonmetallic element. A process for producing such glass includes (a) pr... | 11/11/2003 |
| 6502422 | Method for quartz crucible fabrication A method for quartz crucible formation wherein an at least substantially enclosed chamber surrounds a crucible mold. The atmosphere in the chamber is controlled to include a desired gas or combination of gases at a positive pressure. The positive pressure... | 01/07/2003 |
| 6447601 | Crystal puller and method for growing monocrystalline silicon ingots A crystal puller for growing monocrystalline silicon ingots according to the Czochralski method includes a housing and a crucible in the housing for containing molten silicon. The crucible has a side wall having a transmittance of at least about 80% gener... | 09/10/2002 |
| 6438303 | Laser optimized multimode fiber and method for use with laser and LED sources and system employing same A multimode optical fiber having a first laser bandwidth greater than 220 MHz.km in the 850 nm window, a second laser bandwidth greater than 500 MHz.km in the 1300 nm window, a first OFL bandwidth of at least 160 MHz.km in the 850 nm window, and a second ... | 08/20/2002 |
| 6415093 | Optical device and adhesive composition used therefor An optical device having at least two optically transparent optical parts which are bonded together with an optically transparent adhesive layer. The adhesive layer is formed from a matrix containing silicon, titanium, zirconium, aluminum or germianium, a... | 07/02/2002 |
| 6387514 | Solar control coated substrate with high reflectance A solar control coated substrate with high reflectance (RL) and comprises a pyrolytically-formed coating layer containing oxides of tin and antimony in a Sb/Sn molar ratio of from 0.03 to 0.16, characterized in that the coating layer further contains addi... | 05/14/2002 |
| 6374639 | Silica glass and its manufacturing method A method is provided for manufacturing a silica glass that is substantially free of chlorine. The method includes the step of separately expelling a silicon tetrafluoride gas, a combustion gas, and a combustible gas from a burner made of silica glass, the... | 04/23/2002 |
| 6292607 | Method for determining an aging condition for an optical waveguide grating and temperature sensor The present invention provides a method for determining a condition of aging for an optical waveguide grating. In this method, the aged deterioration curve of the optical waveguide grating is set as a form of C.multidot.t-, where t repre... | 09/18/2001 |
| 6217681 | Method for oxygen-enhanced combustion using a vent stream Oxygen-enhanced combustion in a manufacturing plant using a nitrogen plant to obtain a nitrogen product stream for use in the plant is effected by utilizing the oxygen-rich vent, waste, or exhaust stream as the primary source of oxidant for combustion of ... | 04/17/2001 |
| 6136092 | Quart crucible with large diameter for pulling single crystal and method of producing the same A crucible with 22 inches or more in inner diameter, which has a small deformation of the body under exposure to abundant heat radiation during pulling a single crystal, and which has no practical problem, and a method of producing the same are disclosed.... | 10/24/2000 |
| 6137931 | Method for determining a condition of aging for optical fiber grating The present invention provides a method for determining a condition of aging for an optical fiber grating. This method comprises a step of setting the aged deterioration curve of the optical fiber grating as a form proportional to t-n, where t ... | 10/24/2000 |
| 5970745 | Method for stopping a glass panel conveyed from a furnace into a tempering station or a bending and tempering station The invention relates to a method for stopping a glass panel conveyed from a furnace into a tempering station or a bending and tempering station. In the method, a glass panel is carried upon rolls and pressed by means of overhead press rollers, as the con... | 10/26/1999 |
| 5955194 | Silicon carboxide composite reinforced with ceramic fibers having a surface enriched in boron nitride An improved fiber reinforced glass composite includes a boron-containing refractory fiber having its surface enriched with boron nitride in a matrix of a black glass ceramic having the empirical formula SiCxOy where x ranges from about 0.5 to about 2.0, p... | 09/21/1999 |
| 5902366 | Glass sheet forming method A system (20) and method for forming a glass sheet includes a locating assembly (28) for locating at least one glass sheet below a downwardly facing surface (58) of a topside support device (26) that receives the heated glass sheet from a conveyor (24, 24... | 05/11/1999 |
| 5846277 | Method for determining the optimum shape to be conferred on a thin movable plate including giving the plate a substantially threaded shape with a finite pitch The method relates to an optimizing method for determining the optimum shape of plates such as sheets of sheet metal, panes of glass, or other thin objects designed in particular to retract completely in order to leave a clear opening. To simplify the use... | 12/08/1998 |
| 5846278 | Method of determining glass durability A process for determining one or more leachate concentrations of one or more components of a glass composition in an aqueous solution of the glass composition by identifying the components of the glass composition, including associated oxides, determining... | 12/08/1998 |
| 5728188 | Glass gob distributor zeroing fixture and method of orienting a glass gob distributor A method of accurately circumferentially orienting the output shaft of each of a plurality of oscillating gob distribution device units (S) with respect to one another and with respect to a support device (T) used to support a plurality of gob chutes. A f... | 03/17/1998 |
| 5719698 | Silica glass member for UV-lithography, method for silica glass production, and method for silica glass member production Recent UV-lithography is required to provide a fine and sharp pattern with a line width of 0.5 μm or less. The present invention provides a silica glass member adapted for use as an optical element for UV-lithography, by giving consideration to the RMS v... | 02/17/1998 |
| 5709725 | Process for producing a glass melt A process for producing a glass melt by heating stock for glass comprising as the main ingredients oxides from which oxide glasses are to be formed into a melt, characterized in that said ingredients are formed into a homogeneous melt in the presence of a... | 01/20/1998 |
| 5702495 | Silica glass member for UV-lithography, method for silica glass production, and method for silica glass member production Recent UV-lithography is required to provide a fine and sharp pattern with a line width of 0.5 μm or less. A silica glass member adapted for use as an optical element for UV-lithography, by giving consideration to the RMS value of wave front aberration a... | 12/30/1997 |
| 5665132 | Process for the sintering of hollow cylinders of silicon dioxide soot A hollow cylinder is held in a vertical orientation and sent continuously through a heating zone for sintering. In a first phase of the sintering operation, the hollow cylinder stands on a support while the upper end (12) of the cylinder is being sintered... | 09/09/1997 |
| 5462570 | Process for producing an environmentally acceptable abrasive product from hazardous wastes A method and apparatus of reclaiming hazardous inorganic wastes to produce an environmentally benign abrasive for use in loose grain processes, as a coated or bonded abrasive, or as a polishing grain. A tough and useful abrasive, with a MOH hardness of 7 ... | 10/31/1995 |
| 5445661 | Melting end for glass melting furnaces with soldier blocks and operating process therefor In a glass melting furnace, a combination includes a tank having an end chamber for containing a glass melt, the tank having soldier blocks arranged side-by-side which are of a refractory, mineral material and form a wall of the end chamber. The soldier b... | 08/29/1995 |
| 5385593 | Selenium encapsulation for producing colored glass The present invention provides a glass forming composition for encapsulating selenium which includes, by weight percent of raw materials, 20 to 50% silica and 50 to 80% alkali and alkaline earth materials. The composition has a liquidus temperature betwee... | 01/31/1995 |
| 5273566 | Process for producing an environmentally acceptable abrasive product from hazardous wastes A method and apparatus of reclaiming hazardous inorganic wastes to produce an environmentally benign abrasive for use in loose grain processes, as a coated or bonded abrasive, or as a polishing grain. A tough and useful abrasive, with a MOH hardness of 7 ... | 12/28/1993 |
| 5051235 | Novel palladium-based alloys containing indium bismuth, silver and copper The invention relates to a novel palladium-based alloy. This palladium-based alloy comprises at least one additional element selected from indium, bismuth, silver and copper, in an amount sufficient to impart an acceptable resistance to corrosion by molten gla... | 09/24/1991 |
