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8136372 |
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 e...
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8071494 |
Glass substrate for flat panel display, process for producing the same, and display panel employing the same
The present invention provides a glass substrate for flat panel display in which yellowing occurring in a case of forming silver electrodes on glass substrate surface is inhibited. A glass...
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7927879 |
Zirconium crucible for melting analytical sample, method of preparing analytical sample and method of analysis
Proposed is a zirconium crucible used for melting an analytical sample in the pretreatment of the analytical sample, wherein the purity of the zirconium crucible is 99.99 wt % or higher. In light...
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7682537 |
Mold-press forming apparatus and method of manufacturing a formed product
A mold-press forming apparatus for applying a molding pressure to a mold containing a forming material to perform press forming includes a loading chamber (that is, an airtight chamber) P1 kept...
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7635658 |
Deuteroxyl-doped silica glass, optical member and lithographic system comprising same and method of making same
What is disclosed includes OD-doped synthetic silica glass capable of being used in optical elements for use in lithography below about 300 nm. OD-doped synthetic silica glass was found to have...
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7536875 |
Method for suppressing metal contamination in high temperature treatment of materials
Disclosed is a method for treating glass and crystalline inorganic materials whereby metal contamination during such process is inhibited. Such process includes treating the material in the...
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7487649 |
Method for manufacturing glass substrate for image display
The present invention provides a manufacturing method of a glass substrate for an image display device having high picture quality. The reducing force in a float furnace is controlled to be...
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7363776 |
Method for forming fused quartz using deuterium
A silica deposition tube is fused in a deuterium (D2) gas atmosphere and optionally baked in a deuterium (D2) gas atmosphere to substantially reduce the hydrogen content in the tube for decreased...
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7240518 |
Process for producing spherical glass
The apparatus for producing glass beads of the present invention comprises a melting pot 2 for heating and melting glass, a nozzle 2A for dripping molten glass 4 in the melting pot 2, which is...
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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...
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7155934 |
Method for the production of borosilicate glass with a surface suitable for modification glass obtained according to said method and the use thereof
The method of making borosilicate glass with a surface having reactive SiOH groups on it includes preparing a borosilicate glass melt and dissolving at least 30 mMol per liter of water in the...
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7104090 |
Method of making polarizing glasses
Polarizing glass articles and methods of manufacturing polarizing glass articles are disclosed. The method involves forming a polarizing layer on the surface of the glass article by ion-exchanging...
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7000432 |
Process for producing a glass for cathode ray tubes
A process for producing a glass for cathode ray tubes, having a Sb2O3 content of from 0 to 0.19% as represented by mass percentage and containing H2O, which process comprises a step of melting a...
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6912087 |
Ultra-thin glass polarizers and method of making same
A method for making a polarizing glass article is provided. The method includes first providing a precursor glass containing metal-halide particles. The precursor glass may be encased in a...
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6799440 |
Optical fiber deposition tube fused in deuterium atmosphere for attenuation improvement
A silica deposition tube is fused in a deuterium (D2) gas atmosphere and optionally baked in a deuterium (D2) gas atmosphere to substantially reduce the hydrogen content in the tube for decreased...
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6724967 |
Method of making a functional device with deposited layers subject to high temperature anneal
A method is disclosed for making a device having one or more deposited layers and subject to a post deposition high temperature anneal. Opposing films having similar mechanical properties are...
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6606885 |
Infrared, glass polarizer and method
A glass polarizer and a method of making the polarizer, the polarizer being produced from an R2O—Al2O3—B2O3—SiO2 glass containing limited amounts of ZrO2 and TiO2, and having a silver halide liqui...
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6536238 |
Vacuum degassing method for molten glass flow
When molten glass which is under an atmosphere of pressure P, is fed into a vacuum chamber capable of rendering a pressure to the molten glass to be in a range of 38 [mmHg]-(P-50) [mmHg] to perform...
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6167727 |
Process for the production of polarizing glass
A process for producing a polarizing glass containing shape-anisotropic metallic particles dispersed in an oriented state therein, which comprises drawing a glass preform containing metallic halide...
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6143676 |
Synthetic silica glass used with uv-rays and method producing the same
An object of the present invention is to provide a synthetic silica glass optical material which exhibits excellent transmittance as well as durability for high output power vacuum ultraviolet...
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6092392 |
Process for producing thin glass on roll
This invention relates to a continuous process for producing a web of thin, chemically hardened glass that can be wound on a roll. The process comprises the steps of (i) drawing glass, containing...
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5928397 |
Method to produce fused quartz particulates
A method to produce fused quartz particulates from quartz sand is disclosed employing continuous withdrawal of the molten material from a furnace apparatus. The molten material is rapidly cooled as...
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5888265 |
Air separation float glass system
A cryogenic air separation plant or a combined pressure swing adsorption plant and membrane separation plant is integrated with a float glass manufacturing system wherein oxygen from the plant is...
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5886820 |
Polarizing glass and production process thereof
Disclosed are a polarizing glass comprising a glass layer(s) which contains shape-anisotropic metallic particles dispersed therein in an oriented state and a base glass which causes substantially...
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RE36082 |
Vacuum degassing method and its apparatus
A vacuum degassing method wherein a molten substance at an elevated temperature in a storage tank is sucked to a vacuum degassing vessel through an uprising pipe connecting the storage tank and the...
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5851258 |
Backup structure for a pipe for feeding a molten substance of high temperature
A backup structure for a pipe for feeding a molten substance of high temperature has a pipe and a thermal insulation material surrounding the pipe wherein the pipe is provided with a plurality of...
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5849058 |
Refining method for molten glass and an apparatus for refining molten glass
A refining method for molten glass comprising a stirring step for stirring molten glass in a stirring vessel, a feeding step for feeding the molten glass into a vacuum vessel via an uprising pipe,...
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5840095 |
Method and apparatus for producing flat metal powder directly from melt
The yield of flat powder (6) of Al, Mg or their alloy is enhanced by forming, on a rotary cooling body (4), a film (8) which can prevent the flat metal powder (8) from sticking to the cooling...
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5837628 |
Low cost and environmentally improved infrared transmitting germanate glasses
This patent discloses the composition of germanate glass and a new method for its fabrication. The composition comprises germanate, the oxide of an alkali earth group, Al2 O3, ZnO, a halides...
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5776222 |
Method of eliminating light scattering bubbles in optical fiber preforms
A method of fabricating optical preforms that yield optical fibers having minimal scattering centers by substantially eliminating bubbles and crystallites that form during preform fabrication. The...
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5746801 |
Process of producing fluoride glass
A process for producing fluoride glass, including the steps of: introducing a raw material for fluoride glass into a heating vessel; and heating the raw material in the heating vessel, while...
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5626641 |
Method of manufacturing a glass blank used for optical glass elements
In manufacturing a glass material used for a re-heat press method of manufacturing high-precision optical glass components including a lens, prism or the like, a glass material can be manufactured...
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5569630 |
Composites for glass
A lithium-free glass composition containing 64 to 75% SiO2, 11 to 16% total of a matrix compound selected from a first group which is B2 O3, and BaO, or from a second group which contains Al2 O3,...
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5401289 |
Method of making halide fibers including casting under a reduced pressure
Halide glass articles, e.g. rods, tubes and preforms for making fluoride glass fibres, are prepared by melting and/or casting the articles under a low pressure, e.g. 0.01 to 500 mbars and, during...
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5364435 |
Method of introducing protective atmosphere gases into a glass forming chamber
A method of introducing a reducing gas and an inert gas into a glass forming chamber at a plurality of locations along the length of the chamber by means of a system which permits delivery of a...
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5364432 |
Method for producing a composite glass body with drawing of concentric melts
A method for producing an elongated composite glass body by melting at least two starting materials of different material compositions, feeding the starting materials to a drawing die disposed at...
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5356449 |
Vad process improvements
In a method for making optical fiber preforms, the time taken for sintering and annealing the clad or jacket layer is significantly reduced by only partially sintering the jacket soot boule in an...
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5334232 |
Method for the preparation of halide glass articles
Halide glass articles, e.g. rods, tubes and preforms for making fluoride glass fibres, are prepared by melting and/or casting the articles under a low pressure, e.g. 0.01 to 500 mbars and, during...
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5320658 |
Process of drawing optical fiber
There is provided a process of melt drawing an optical fiber from a preform therefor in which a heating furnace comprising a muffle tube inside thereof through which the optical fiber is passed is...
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5292375 |
Removal of lead based coating by vitrification
Lead in coatings on structures can be removed, without creating hazardous waste, by a flame spray process which utilizes a glass composition having high lead solubility, resistance to...
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5284501 |
Method of manufacturing glass optical element
The invention provides a method of manufacturing extremely precise glass optical element by thermally deforming optical glass on the optical surf ace of a thermal processing jig coated with...
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5226940 |
Process for producing optical fibers of high tensile strength
A process for producing optical fibers of high tensile strength, wherein the fiber is pulled from a glass mass of halide glass and includes surrounding the fiber and mass with a dry gas atmosphere...
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5225283 |
Coating for protecting a carbon-carbon composite from oxidative degradation
A process for forming a high temperature oxidation resistant coating on a carbon-carbon composite is disclosed and claimed. The process comprises applying a cyclosiloxane monomer blend containing a...
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5207814 |
Process for preparing monoliths of aerogels of metal oxides
A process for the preparation of monoliths of aerogels of metal oxides, which aerogel is either constituted by one single oxide, or is constituted by a mixture of oxides, is disclosed, which...
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5141547 |
Process for production of molded glass article
A process for the production of a molded glass article is disclosed, said process comprises the steps of: applying wet treatment to a surface of a lead oxide-containing glass material, thereby...
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5078771 |
Method of making high energy beam sensitive glasses
The invention relates to high energy beam-sensitive glass articles exhibiting insensitivity and/or inertness to actinic radiation, glass articles which are darkened and/or colored within a thin...
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5067978 |
Method for the removal of lead from waste products
A process for the removal of lead from a waste product comprising the steps of delivering silica to a combustion chamber, heating the silica within the combustion chamber to a temperature of...
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5059229 |
Method for producing optical fiber in a hydrogen atmosphere to prevent attenuation
An optical fiber is drawn from a draw blank that is situated in a furnace muffle. An end of the blank is heated to a temperature sufficient to permit a fiber to be drawn therefrom. During the fiber...
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5045507 |
In-situ quenched fluoride glasses
A process for producing high quality optical glass from fluoride glasses comprising preparing a melt of the glass and then cooling the melt in-situ inside the melt crucible. The in-situ quenching...
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5032159 |
Method of manufacturing optical device
In a method of molding an optical device by press-molding a glass preform by using molding dies, the press-molding process is executed under a mixed gas atmosphere of a nonoxidizer gas and a...
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