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8141391 |
Glass preform manufacturing method
A glass preform manufacturing method includes: generating glass fine particles by hydrolyzing a source gas in an oxyhydrogen flame; depositing the generated glass fine particles to form a torous...
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8118971 |
Interlayer film separation method
There are provided an interlayer film separation solution and an interlayer film separation method capable of separating an interlayer film and a glass for a short period of time and collecting the...
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8024943 |
Method of dividing glass into separate pieces with the aid of a cutting liquid and improved cutting liquid for said method
The method of dividing a glass substrate into separate pieces includes producing a crack along a dividing line on the substrate and acting on the crack with an aqueous cutting liquid during or...
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7975508 |
Method 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...
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7964522 |
F-doped silica glass and process of making same
An F-doped silica glass, a process for making the glass, an optical member comprising the glass, and an optical system comprising such optical member. The glass material comprises 0.1-5000 ppm by...
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7937967 |
Method of manufacturing a glass substrate, glass substrate manufactured by the method, and magnetic recording medium using the glass substrate
An object of the present invention is to provide a method of manufacturing a glass substrate containing alkali metals. A glass substrate manufactured by the method exhibits excellent performances...
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7934390 |
Method for manufacturing a lens of synthetic quartz glass with increased H2 content
The invention relates to a method for the manufacture of a lens of synthetic quartz glass with increased H2 content, in particular for a lens for an optical system with an operating wavelength of...
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7934391 |
Synthetic quartz glass body, process for producing the same, optical element, and optical apparatus
The present invention is to provide a synthetic quartz glass body having a high light transmittance. The present invention provides a synthetic quartz glass body having pores in a surface part...
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7841211 |
Production process of synthetic quartz glass
First of all, there is provided a production process of a synthetic quartz glass which has less impurity, has a high-temperature viscosity characteristic equal to or more than that of a natural...
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7841210 |
Method of manufacturing glass substrate and information recording medium
In a method of manufacturing a glass substrate for an information recording medium including a step for chemically strengthening the glass substrate by contacting the glass substrate with chemical...
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7836727 |
Glass cutting method
A method of cutting a glass substrate to form a plurality of flat panel displays. The method includes forming a scribe line or a line of weakness on a surface of a mother material; treating the...
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7810355 |
Full perimeter chemical strengthening of substrates
Methods and apparatus for protecting the thin films during chemical and/or thermal edge strengthening treatment. In one embodiment, a portion of each individual sheet is laminated. Pairs of sheets...
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7767607 |
Glass composition, glass article, glass substrate for magnetic recording media, and method for producing the same
A glass substrate of the present invention for magnetic recording media having high heat resistance and easy chemical strengthening ability at once has not been obtained, which is a glass...
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7755286 |
Glass film, process for production thereof, and optical electronic device
Disclosed is a dense silicon oxide film having a high insulation resistance, which is a glass film having a certain level of thickness. Specifically, disclosed are a silicon oxide film, and a glass...
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7749930 |
Holder made from quartz glass for the processing of semiconductor wafers and method for production of the holder
An ideal quartz glass for a wafer jig for use in an environment having an etching effect is distinguished by both high purity and high resistance to dry etching. To indicate a quartz glass that...
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7712335 |
Quartz glass cylinder for production of an optical component and method for production thereof
The aim of the invention is to improve a known quartz glass cylinder for the production of an optical component, comprising an inner drilling, which is mechanically machined to size and provided...
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7700205 |
Process for manufacturing glass substrate for magnetic recording medium, glass substrate for magnetic recording medium obtained by the process, and magnetic recording medium obtained using the substrate
A process for manufacturing a glass substrate for a magnetic recording medium comprising polishing a crystallized glass substrate using abrasive grains, and then washing the substrate using an...
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7694530 |
Chemical strengthening treatment method of magnetic disk glass substrate
Chemical strengthening treatment is performed by first providing a granular chemical strengthening salt so as to prevent spread in atmosphere at the time of introduction of chemical strengthening...
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7648656 |
Process of making a visible polarizing glass
The invention is directed to a silver-containing polarizing boroaluminosilicate glass composition that has been doped with a noble metal selected from the group consisting of Pt, Pd, Os, Ir, Rh and...
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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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7552601 |
Optical component of quartz glass, method for producing the optical component, and use thereof
Starting from an optical component of quartz glass for transmitting ultraviolet radiation of a wavelength between 190 nm and 250 nm, with a glass structure essentially without oxygen defects, a...
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7485593 |
Titania-silica glass
To provide titania-silica glass which is transparent glass of low thermal expansion, in particular, is of a low thermal expansion coefficient over a wide range of temperatures of 0 to 100° C. (an ...
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7468148 |
Visible polarizing glass and process
The invention is directed to a silver-containing polarizing boroaluminosilicate glass composition that has been doped with a noble metal selected from the group consisting of Pt, Pd, Os, Ir, Rh and...
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7415841 |
Method for producing chemically strengthened glass substrate for information recording medium
Prior to conducting chemical strengthening treatment by contacting a glass with a potassium-containing chemical strengthening treating solution, oxidation treatment is conducted to iron-containing...
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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),...
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7281394 |
Method of manufacturing glass substrate and method of manufacturing information recording medium
In a method of manufacturing a glass substrate for an information recording medium including a step for chemically strengthening the glass substrate by contacting the glass substrate with chemical...
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7226522 |
Method for the production of a mineral fibre product
The present invention is directed to method of bonding mineral fibers in a mineral fiber material, according to which an acid is applied to the mineral fiber material in an amount sufficient to...
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7197897 |
Chemical strengthening process for disks used in disk drive data storage devices
A salt mixture used for chemical strengthening of data recording disks is subjected to sub-micron filtration prior to use to remove certain impurities. Preferably, glass disks are chemically...
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7162894 |
Method for charging quartz glass objects with hydrogen
The invention relates to the loading of quartz glass objects with hydrogen in an annealing process in a furnace for improving the homogeneity of the refractive index and the laser resistance while,...
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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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7093465 |
Method for heat treating synthetic quartz glass for optical use
An object of the present invention is to overcome the problems of the prior art technique, and to provide a heat treatment method as well as a heat treatment apparatus capable of heat treating,...
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7013062 |
Material for thermal compensation and optical communication device using the material
A material for temperature compensation consists of a sinter produced by baking any of crystalline powder, crystallized glass powder, and partially crystalline glass powder. The sinter has a...
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6993934 |
Dental glass powders
Dental glass powders, methods for producing the powders and dental compositions including the glass powders. The powders preferably have a well-controlled particle size, narrow size distribution...
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6992753 |
Projection optical system
Radiation-induced damage to a lens material in a projection exposure system is reduced by selection of maximum design fluence values HD for lenses and at least one lens made of a material having a...
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6946030 |
Method for the production of a silica glass crucible with crystalline regions from a porous silica glass green body
A silica glass crucible is produced by a) providing a porous amorphous silica glass green body, which is infiltrated with at least one substance that promotes crystallization of a silica glass...
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6915665 |
Method of inducing transmission in optical lithography preforms
The invention provides an ultraviolet lithography method/system. The lithography method and system include providing a below 200 nm radiation source, providing a photolytically improved...
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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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6833949 |
Film coated optical lithography elements and method of making
The invention provides coated optical lithography elements and methods of coating optical elements, and particularly optical photolithography elements for use in below 240 nm optical...
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6810688 |
Method for treating glass substrates and glass substrates for the producing of display screens
The subject of the invention is a process for treating a glass sheet which consists of a glass composition having a strain point above 540° C. and is intended for producing a display screen, the ...
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6807823 |
Fluorine-containing glass
A process for producing fluorine-containing glass. An SiO2 soot is synthesized by hydrolyzing SiCl4. The soot is heated in a chlorine-compound-free atmosphere containing a fluorine compound gas to...
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6782716 |
Vacuum ultraviolet transmitting silicon oxyfluoride lithography glass
High purity silicon oxyfluoride glass suitable for use as a photomask substrates for photolithography applications in the VUV wavelength region below 190 nm is disclosed with the silicon...
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6783898 |
Projection lithography photomask blanks, preforms and method of making
The invention includes methods of making lithography photomask blanks. The invention also includes lithography photomask blanks and preforms for producing lithography photomask. The method of...
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6772608 |
Method for producing UV polarizers
The invention relates to a method for producing UV polarizers, according to which spheroid particles situated near the surface of the glass are incorporated into the support material (primarily...
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6760526 |
Chalcogenide doping of oxide glasses
The present invention relates to a glass article for use as an optical waveguide fiber and more particularly to an optical waveguide fiber, the core of which is doped with a chalcogenide element to...
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6743293 |
Cruicible and growth method for polycrystal silicon using same
A crucible used in the growth of polycrystal silicon by a cast method comprises a crucible body for, when solid material silicon is melted, containing the melted material silicon, and a material...
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6715318 |
Glass substrate for information recording media and manufacturing method thereof
There are provided a glass substrate for information recording media in which the undulations on the glass substrate surface are optimized, thus contributing to reduction of the flying height, and...
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6712901 |
Surface modification process of quartz glass crucible
A process for modifying the surface of a quartz glass crucible and a modified quartz glass crucible produced by the process, where the crucible has a transparent coated layer containing a...
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6673474 |
Medium substrate, production method thereof and magnetic disk device
A medium substrate comprising a borosilicate glass containing silica as a main component and having on the surface thereof a continuous texture derived from the porous structure, the medium...
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6656860 |
Synthetic silica glass member, photolithography apparatus and process for producing photolithography apparatus
A photolithography apparatus has an exposure light source for emitting exposure light with a wavelength of 400 nm or less, a reticle with a pattern original image formed therein, an illumination...
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6631628 |
Method of purifying natural or synthetic silica, and application thereof to depositing purified natural or synthetic silica on an optical fiber preform
Natural or synthetic silica is deposited on a preform set into rotation in front of a plasma torch which moves back and forth substantially parallel to a longitudinal direction of the preform, a...
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