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US20150080206 ULTRALOW EXPANSION GLASS  
Silica-titania glasses with small temperature variations in coefficient of thermal expansion over a wide range of zero-crossover temperatures and methods for making the glasses. The method...
US20100317505 TIO2-CONTAINING SILICA GLASS AND OPTICAL MEMBER FOR LITHOGRAPHY USING THE SAME  
The present invention is to provide a TiO2—SiO2 glass whose coefficient of linear thermal expansion at the time of irradiating with high EUV energy light becomes substantially zero when used as an...
US20130095261 FUSED QUARTZ TUBING FOR PHARMACEUTICAL PACKAGING  
A high silica glass composition comprising about 92 to about 99.9999 wt. % SiO2 and from about 0.0001 to about 8 wt. % of at least one dopant selected from Al2O3, CeO2, TiO2, La2O3, Y2O3, Nd2O3,...
US20120148770 FUSED QUARTZ TUBING FOR PHARMACEUTICAL PACKAGING  
A high silica glass composition comprising about 82 to about 99.9999 wt. % SiO2 and from about 0.0001 to about 18 wt. % of at least one dopant selected from Al2O3, CeO2, TiO2, La2O3, Y2O3, Nd2O3,...
US20120149543 TIO2-CONTAINING SILICA GLASS, AND OPTICAL MEMBER FOR EUV LITHOGRAPHY  
The present invention relates to a TiO2-containing silica glass having a TiO2 content of 7.5 to 12% by mass, a fictive temperature of 1,000° C. or higher, and a temperature at which a coefficient...
US20080231972 ON-VEHICLE CAMERA LENS GLASS MATERIAL AND ON-VEHICLE CAMERA LENS  
An on-vehicle camera lens glass material satisfies at least one of conditions in which a measurement result in water resistance based on a powder method prescribed by Japanese Optical Glass...
US20080274869 Quartz Glass Blank and Method for Producing Said Blank  
The present invention relates to a quartz glass blank for an optical component for transmitting radiation of a wavelength of 15 nm and shorter, the blank consisting of highly pure quartz glass,...
US20140066286 NIOBIUM DOPED SILICA TITANIA GLASS AND METHOD OF PREPARATION  
This disclosure is directed to a silica-titania-niobia glass and to a method for making the glass. The composition of the silica-titania-niobia (SiO2—TiO2—Nb2O5) glass, determined as the oxides,...
US20130116108 SILICA GLASS HAVING IMPROVED PROPERTIES  
The invention relates to a silica glass compound having improved physical and chemical properties. In one embodiment, the present invention relates to a silica glass having a desirable brittleness...
US20090203512 HALIDE FREE GLASSES HAVING LOW OH, OD CONCENTRATIONS  
A fused silica glass having a refractive index homogeneity of less or equal to about 5 ppm over an aperture area of at least about 50 cm2. The fused silica glass is also substantially free of...
US20080004169 Ultra low expansion glass and methods for making  
A low expansion silica-titania glass suitable for making extreme ultraviolet lithographic element, with the titania-containing silica glass having a titania content in the range of 5-10 wt. % and...
US20060281623 Free-formed quartz glass ingots and method for making the same  
A method to form quartz glass ingots of ultra low contamination and defect levels by firing a high-purity quartz form as the feedstock, wherein the quartz glass ingot is free-formed on a platen...
US20060218971 Synthetic quartz glass and process for producing a quartz glass body  
The invention relates to a synthetic quartz glass that can be produced by direct precipitation by means of flame hydrolysis of a silicon precursor, especially a chlorine-containing silicon...
US20110207593 Expansivity in Low Expansion Silica-Titania Glasses  
This disclosure is directed to tailoring and improving the expansivity of low thermal expansion silica-titania glass through changes in the [OH] content and fictive temperature of the glasses. The...
US20080068703 Glass Composition Containing Bismuth and Method of Amplifying Signal Light Therewith  
The present invention provides a novel glass composition in which fluorescence derived from bismuth (Bi) is obtained and whose meltability is improved. The glass composition of the present...
US20150218039 LOW EXPANSION SILICA-TITANIA ARTICLES WITH A TZC GRADIENT BY COMPOSITIONAL VARIATION  
A glass article for use in Extreme Ultra-Violet Lithography (EUVL) is provided. The glass article includes a silica-titania glass having a compositional gradient through the glass article, the...
US20060201200 Process for producing high silicate glass and high silicate glass  
The present invention provides: a method for producing high silicate glass which has a low Fe concentration and can achieve a high UV transmittance while retaining advantages of Vycor glass that...
US20050176572 Synthetic quartz glass  
Disclosed is a synthetic silica glass for use with light having a wavelength of 150 to 200 nm, which has an OH group at a concentration of less than 1 ppm, an oxygen-excess type defect at a...
US20070003770 High-purity pyrogenically prepared silicon dioxide  
High-purity pyrogenically prepared silicon dioxide having metal contents of less than 9 ppm is prepared by reacting a silicon tetrachloride having a metal content of less than 30 ppb by means of...
US20070293388 GLASS ARTICLES AND METHOD FOR MAKING THEREOF  
A glass composition is characterized by having little batch-to-batch variations in the properties of the glass products made thereof. The glass composition contains 40 to 99 wt. % SiO2 with a...
US20070123409 Current stabilizing device using quartz ball  
A current stabilizing device is provided herein, which mainly contains a closed enclosure and at least a quartz ball. The enclosure has at least a spherical chamber for accommodating the quartz...
US20080305941 TITANIA-DOPED QUARTZ GLASS FOR NANOIMPRINT MOLDS  
In the nanoimprint lithography, a titania-doped quartz glass having a CTE of −300 to 300 ppb/° C. between 0° C. and 250° C. and a CTE distribution of up to 100 ppb/° C. at 25° C. is suited for use...
US20110159219 SILICATE GLASS ARTICLE WITH A MODIFIED SURFACE  
The present invention relates to a silicate glass article, such as a glass container, with a modified surface region. The modified surface has, among other advantageous properties, an improved...
US20070289331 PROCESS FOR PRODUCING SYNTHETIC QUARTZ GLASS, JIG FOR SYNTHETIC-QUARTZ-GLASS PRODUCTION, AND SYNTHETIC QUARTZ GLASS FOR OPTICAL MEMBER  
An object of the invention is to provide a process for producing a synthetic quartz glass while taking account of a refractive index distribution remaining in the synthetic quartz glass; a jig for...
US20090266110 SiO slurry for the production of quartz glass as well as the application of the slurry  
A known SiO2 slurry for the production of quartz glass contains a dispersion liquid and amorphous SiO2 particles with particle sizes to a maximum of 500 μm, wherein the largest volume fraction is...
US20070066477 Fused silica glass and method for making the same  
Disclosed are methods for hydrogen loading silica glass and silica glass comprising loaded H2. The methods can lead to H2 gradient in the glass material. Alternatively, the method may involve the...
US20120056106 OPTICAL FILTER MATERIAL MADE OF GALLIUM-DOPED QUARTZ GLASS, FILTER COMPONENT AND METHOD FOR IRRADIATION BY MEANS OF A UV RADIATION SOURCE  
The invention relates to an optical filter material made of doped quartz glass, which at a low dopant concentration exhibits spectral transmission as high as possible of at least 80% cm−1 for...
US20050227849 Optical element made of fluoride crystal  
A method for manufacturing fluoride crystal includes the steps of adding scavenger and a material to a crucible, melting the scavenger and material at a temperature higher than a melting point so...
US20140155246 VERY LOW CTE SLOPE DOPED SILICA-TITANIA GLASS  
The present disclosure is directed to a doped silica-titania glass, DST glass, consisting essentially of 0.1 wt. % to 5 wt. % halogen, 50 ppm-wt. to 6 wt. % one or more oxides of Al, Ta and Nb, 3...
US20060258525 Transparent silica glass luminescent material and process for producing the same  
It is an object of the present invention to provide a light emitting device of the next generation optical device having a broad emission property that a width at half maximum of an emission...
US20150259239 BORON-DOPED TITANIA-SILICA GLASS HAVING VERY LOW CTE SLOPE  
A boron-doped titania-silica glass containing 0.1 wt % to 8.0 wt % boron, 9.0 wt % to 16.0 wt % TiO2, and 76.0 wt % to 90.9 wt % SiO2. The glass may further include F, Nb, Ta, Al, Li, Na, K, Ca,...
US20090056381 FUSED SILICA ARTICLE LOADED WITH DEUTERIUM AND METHOD OF MAKING  
A method of making a fused silica article having a combined concentration of protium and deuterium in a range from about 1×1016 molecules/cm3 up to about 6×1019 molecules/cm3. In some embodiments,...
US20120238434 SILICA GLASS CONTAINING TIO2  
The present invention relates to a TiO2-containing silica glass containing TiO2 in an amount of from 5 to 10 mass % and at least one of B2O3, P2O5 and S in an amount of from 50 ppb by mass to 5...
US20110207592 Low Expansivity, High Transmission Titania Doped Silica Glass  
In one embodiment the present disclosure is directed to a silica-titania glass with an internal transmission of >90%/cm at wavelengths from 340 nm to 840 nm. In another embodiment the internal...
US20070263281 Reduced striae low expansion glass and elements, and a method for making same  
The invention is directed to a low expansion glass with reduced striae, the glass have a point-to-point variation in titania content is 0.1 wt % or less through its thickness and a CTE of 0±3...
US20070004579 Synthetic silica material with low fluence-dependent-transmission and method of making the same  
Disclosed in the application are a synthetic silica glass having low fluence-dependent transmission, particularly at about 193 nm, and a process for making the same. The glass may desirably...
US20070051135 Method for manufacturing porous-glass material for optical fiber, and glass base material  
A method for manufacturing a porous-glass material for optical fiber performed in a reaction apparatus having a plurality of burners for producing glass particles toward a initial base material...
US20100179047 OPTICAL MEMBER COMPRISING TIO2-CONTAINING SILICA GLASS  
The present invention relates to an optical member including a TiO2-containing silica glass having: a TiO2 concentration of from 3 to 10% by mass; a Ti3+ concentration of 100 wt ppm or less; a...
US20080006056 PROCESS FOR PRODUCING SYNTHETIC QUARTZ AND SYNTHETIC QUARTZ GLASS FOR OPTICAL MEMBER  
The present invention provides a process for producing a synthetic quartz glass, comprising: (a) depositing fine quartz glass particles synthesized by flame hydrolysis of a glass-forming material...
US20110048075 TUNING Tzc BY THE ANNEALING OF ULTRA LOW EXPANSION GLASS  
The disclosure describes a method by which the Tzc of a silica-titania glass article, for example, a EUVL mirror substrate, can be tuned to within a specification range by means of a selected...
US20080255265 Glass Filler Material and Method of Production  
The present invention relates to a glass filler material with an average particle size of 0.1-20 μm. It further relates to a method for producing a glass filler material. The glass filler material...
US20050272826 Dispersion of sintered materials  
Sintered materials, especially sintered glasses, produced from pyrogenically produced silicon dioxide which has been processed to silicon granulates in a compacting step, and the use of such...
US20100105537 Extruded Glass Structures and Methods for Manufacturing the Same  
Methods for preparing glass structures include extruding a glass precursor, the glass precursor having a composition in the range of 55%-75% SiO2, 5%-10% Na2O, 20%-35% B2O3 and 0%-5% Al2O3, and...
US20130260980 SYSTEMS AND METHODS FOR FORMING GLASS MATERIALS  
Methods for forming glass compositions from cullet include providing the cullet to a submerged combustion melter and melting the cullet with the aid of heat generated upon the combustion of a...
US20160236965 ULTRALOW EXPANSION TITANIA-SILICA GLASS  
Annealing treatments for modified titania-silica glasses and the glasses produced by the annealing treatments. The annealing treatments include an isothermal hold that facilitates equalization of...
US20160200618 METHOD AND APPARATUS FOR ADDING THERMAL ENERGY TO A GLASS MELT  
Disclosed herein are methods and apparatuses for adding thermal energy to a glass melt. Apparatuses for generating a thermal plasma disclosed herein comprise an electrode, a grounded electrode, a...
US20160168020 METHOD OF FINISHING PRE-POLISHED GLASS SUBSTRATE SURFACE  
The present invention relates to a method of finishing a pre-polished TiO2—SiO2 glass substrate, containing a step of measuring a striae-originated MSFR (MSFR0) of a major surface, a step of...
US20160168010 DOPED ULTRA-LOW EXPANSION GLASS AND METHODS FOR MAKING THE SAME  
A doped silica-titania glass article is provided that includes a glass article having a glass composition comprising (i) a silica-titania base glass, (ii) a fluorine dopant, and (iii) a second...
US20160152504 LOW SCATTERING SILICA GLASS AND METHOD FOR HEAT-TREATING SILICA GLASS  
To provide low scattering silica glass suitable as a material of an optical communication fiber. Silica glass, which has a fictive temperature of at least 1,000° C., and which has a void radius of...
US20160145147 DOPED SILICA-TITANIA GLASS HAVING LOW EXPANSIVITY AND METHODS OF MAKING THE SAME  
A method of forming a doped silica-titania glass is provided. The method includes blending batch materials comprising silica, titania, and at least one dopant. The method also includes heating the...

Matches 1 - 50 out of 54 1 2 >