Patents for C03B 20 - Processes specially adapted for the production of quartz or fused silica articles (2,756)
11/2000
11/07/2000US6143073 White point defects are reduced by decreasing the amount of silica vapor condensing on electrodes used in the manufacturing process
10/2000
10/25/2000EP1046617A2 Synthetic quartz glass manufacturing process
10/24/2000US6136092 Depositing silicon dioxide powder on the inner surface of the substrate, heating to melt and form the transparent inner layer
10/19/2000WO2000061509A1 Method for producing a cylindrical component comprised of silica glass and a device suited therefor
10/19/2000DE19917288A1 Quarzglas-Tiegel und Herstellungsverfahren dafür Quartz glass crucible and the production method thereof
10/18/2000EP1045046A2 Quartz glass crucible and process for its manufacture
10/17/2000US6132649 Fabrication including sol-gel processing
10/10/2000US6130981 Gamma radiation sterilized fiber optic UV delivery systems
10/05/2000WO2000059013A1 Exposure apparatus, semiconductor device, and photomask
10/03/2000US6127295 Silica glass composition and method for manufacturing silica glass using the same
09/2000
09/21/2000WO2000055689A1 Projection lithography photomask blanks, preforms and method of making
09/20/2000EP1036772A2 Method for producing optical quartz glass for excimer lasers and vertical-type heating furnace
09/20/2000EP1007484A4 Methods and apparatus for producing low flow rates of feedstock vapors
09/20/2000EP0871910A4 A method and apparatus for the construction of photosensitive waveguides
09/13/2000EP1035084A2 Synthetic fused silica glass member
09/12/2000US6116055 Method of making synthetic silica glass
09/06/2000EP1033350A1 Synthetic quartz glass member for use in ArF excimer laser lithography
09/06/2000CN1265379A Superthin quartz tube and its production method and equipment
08/2000
08/30/2000CN1265082A Method for forming silica by combustion of liquid reactants using oxygen
08/24/2000WO2000048952A1 Method of making silica glass honeycomb structure from silica soot extrusion
08/24/2000WO2000048828A1 Silice glass honeycomb structure from silica soot extrusion
08/23/2000CN1264352A Method and apparatus for producing low flow rates of feedstock vapors
08/16/2000EP1028093A1 Fabrication including sol-gel processing
08/10/2000WO2000046432A1 Tungsten doped crucible and method for preparing same
08/10/2000DE10003079A1 Composition useful for making silica glass by a sol-gel process, e.g. an optical fiber overcladding, comprises silica, a binder polymer obtained from an aqueous premix of N-methylol(meth)acrylamide and a crosslinker, and a solvent
08/09/2000EP1025054A1 Production of quartz glass articles having high surface purity
08/09/2000CN1262244A Composition for producing quartz glass by sol-gel process
08/03/2000WO2000044678A1 Method and device for forming quartz glass
08/02/2000EP1024118A2 Large diameter quartz glass crucible for pulling up single crystalline silicon
07/2000
07/26/2000CN1261329A Method and apparatus for forming silica by combustion of liquid reactants using a heater
07/25/2000US6093666 Quartz glass, heat treating apparatus using quartz glass, and heat treating method
07/19/2000EP1020546A1 Quartz glass crucible for pulling silicon monocrystal and method of manufacturing the same
07/19/2000EP1020413A1 Silica glass article and manufacturing method therefor
07/12/2000EP1017640A1 Method for forming silica by combustion of liquid reactants using oxygen
07/06/2000WO2000039039A2 Tantala doped optical waveguide and method of manufacture
07/06/2000WO2000039038A1 Method for producing optical quartz glass for excimer lasers
07/06/2000CA2357777A1 Tantala doped optical waveguide and method of manufacture
07/05/2000EP1016635A1 Process for producing silica by decomposition of an organosilane
07/05/2000EP0975690A4 Process for purifying siloxane
07/05/2000CN1258651A Process for producing silica by decomposing organic silane
06/2000
06/27/2000US6080339 Providing a silica dispersion comprising a stabilizing agent in alkaline ph, adding gelling agent for gelation, extruding the gel to form a body, wherein stabilizing agent selected from tetramethyl ammonium hydroxide and ammonium hydroxide
06/27/2000US6079225 Method for the production of a quartz glass blank and apparatus suitable therefor
06/14/2000EP1007484A1 Methods and apparatus for producing low flow rates of feedstock vapors
06/08/2000WO2000032529A1 Quartz glass jig having large irregularities on the surface and method for producing the same
06/08/2000DE19915509C1 Production of a cylindrical component made of quartz glass has a flue with guiding elements arranged behind each other along the pulling axis
06/07/2000CN1053169C Method and appts. for making glass objects from glass feedstock
06/06/2000US6071997 Has high silica content, shows no tendency toward sudden rigidity loss at temperatures above the glass transition temperature and has good high temperature stability
05/2000
05/31/2000CN2380565Y Multi-electrode quartz-melting furnace
05/31/2000CN1255109A High-purity silica glass fabricating method using sol-gel process
05/25/2000WO2000029648A1 Methods and apparatus for minimizing white point defects in quartz glass crucibles
05/24/2000EP1002770A2 Method and apparatus for minimizing white point defects in quartz glass crucibles
05/17/2000EP1001314A2 Durable optical system for projection exposure apparatus and method of manufacturing the same
05/10/2000EP0998428A1 Method and apparatus for forming silica by combustion of liquid reactants using a heater
05/04/2000WO2000024684A1 Quartz glass plates with high refractive index homogeneity
05/03/2000CN1051979C Preparation of glass freform for optical fiber
04/2000
04/26/2000CN1251599A Process for purifying siloxane
04/25/2000US6054073 For a sealing material for semiconductors.
04/19/2000EP0767761B1 Sintered quartz glass products and methods for making same
04/12/2000CN1051292C Apparatus for vitrifying soot preform for optical fiber
04/11/2000US6047568 Method of manufacturing a silica powder and use of such a powder in making an optical fiber preform
04/11/2000US6047564 Method of producing quartz glass bodies
04/05/2000CN1051062C Electric incandescent lamp with quartz glass lamp vessel
03/2000
03/23/2000WO2000015570A1 Optical component made of silica glass and method for the production thereof
03/22/2000EP0914301A4 Fused silica having high resistance to optical damage
03/16/2000DE19841932A1 UV transmitting optical component, e.g. a microlithography component used in chip production, consists of flame hydrolyzed and directly vitrified quartz glass of extremely low hydrogen content
03/15/2000EP0985643A2 Method for producing synthetic quartz glass for the use in ArF excimer laser lithography
03/07/2000US6032487 Fabrication process of a gradient index type of optical element
03/02/2000WO2000010929A1 High efficiency monolithic glass light shaping diffuser and method of making
03/01/2000EP0981501A1 Method and device for producing a homogenous sheet of quartz glass without streaks
02/2000
02/23/2000EP0980849A1 Process for purifying silica and use for depositing the purified silica on an optical fibre preform
02/23/2000EP0980702A1 A method of treating exhaust gas and an apparatus therefor
02/23/2000CN1245563A Hybrid organic-inorganic planar optical waveguide device
02/17/2000WO2000007949A1 Method and apparatus for forming soot for the manufacture of glass
02/17/2000CA2339278A1 Method and apparatus for forming soot for the manufacture of glass
02/02/2000EP0976687A1 Synthetic fused silica member, method for producing the same and optical member for excimer laser
02/02/2000EP0975690A1 Process for purifying siloxane
02/01/2000US6018964 Flame hydrolysis
01/2000
01/27/2000WO2000003955A1 Process and apparatus for manufacturing a glass ingot from synthetic silica
01/27/2000DE19933390A1 Treatment of silica granulate used for production and replenishment of preliminary moldings in optical fiber production involves use of a crucible made of porous graphite
01/26/2000EP0974557A1 Method for forming article using sol-gel processing
01/26/2000EP0973957A1 Method of making titania-doped fused silica
01/21/2000CA2273733A1 Method for forming article using sol-gel processing
01/19/2000EP0971860A1 High-purity silica glass fabricating method using sol-gel process
01/12/2000EP0797548B1 Electric incandescent lamp with a quartz glass lamp vessel
01/05/2000EP0968969A2 Process of producing silica glass products used for photolithography and optical members produced by the process
12/1999
12/28/1999US6007786 Mobile, heated receptacle in which silica soot particles are agitated to effect uniform exposure to dopant gas during doping and densification
12/22/1999EP0965663A1 Composite crucible, and preparation method and regeneration method thereof
12/22/1999EP0964832A1 Synthetic quartz glass preform and device for the production thereof
12/02/1999WO1999061685A1 Quartz glass crucible for pulling silicon monocrystal and method of manufacturing the same
12/01/1999EP0960348A1 Hybrid organic-inorganic planar optical waveguide device
12/01/1999EP0960074A1 Method for determining laser-induced compaction in fused silica
11/1999
11/24/1999EP0958255A1 Silica with low compaction under high energy irradiation
11/23/1999US5991493 Optically transmissive bonding material
11/23/1999US5989021 Quartz crucible with large diameter for pulling single crystal and method of producing the same
11/16/1999US5983673 Silica glass article and manufacturing process therefor
11/09/1999US5980629 Methods for improving zero dislocation yield of single crystals
11/09/1999US5979190 Heating to remove impurities
11/09/1999US5979185 Method and apparatus for forming silica by combustion of liquid reactants using a heater
11/02/1999US5977000 Controlling concentration of sodium, potassium oxide; bubble sizes
10/1999
10/28/1999DE19918001A1 Heat resistant synthetic quartz glass for equipment used in the heat treatment of semiconductor materials or UV optical components
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