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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 H D for lenses and at least one lens made of a material having...
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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...
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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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6886364 |
Method for producing quartz glass crucible
Problems the invention is to solve: An object of the present invention is to provide a method for producing a quartz glass crucible capable of pulling up a silicon single crystal at a highly...
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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 SiO 2 soot is synthesized by hydrolyzing SiCl 4 . The soot is heated in a chlorine-compound-free atmosphere containing a fluorine compound gas...
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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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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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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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6627468 |
Method for manufacturing optical element, optical element, optical system using optical element, optical apparatus and exposure apparatus using optical system, and method for manufacturing device
The present invention provides a method for manufacturing an optical element to be used for an optical system and an optical instrument using the optical system, and a method for manufacturing a...
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6619073 |
Method of increasing the initial transmittance of optical glass
The invention relates to optical glass having improved initial transmittance, formed by subjecting the glass to a hydrogen and/or deuterium treatment at a temperature, and for a duration of time...
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6612133 |
Method for shifting absorption peak wavelength of infrared radiation absorbing glass
A method for shifting the absorption peak wavelength in the wavelength range 900-1600 nm of an infrared radiation absorbing glass from less than 1100 nm to 1100 nm or longer without substantially...
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6598429 |
Method for fabricating gradient-index rods and rod arrays
A method for fabricating gradient-index rods and rod arrays. A central rod of optical glass having predetermined properties and predetermined outside dimensions is placed inside a tube of optical...
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6595028 |
Chemical reinforced glass substrate having desirable edge profile and method of manufacturing the same
In a method of manufacturing a chemical reinforced glass substrate, consideration is previously made about a relationship between conditions of chemical reinforcement for a glass substrate and...
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6578382 |
Synthetic quartz glass for optical use, heat treatment method and heat treatment apparatus for the same
A method for heat treating a synthetic quartz glass for optical use in a heating furnace, that comprises covering the surroundings of a synthetic quartz glass body with a SiO 2 powder having a...
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6564585 |
Method for producing a second-order nonlinear glass material
There is disclosed second-order nonlinear glass material wherein a part having second-order nonlinearity contains Ge, H and OH and has second-order nonlinear optical constant d of 1 pm/V or more,...
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6547980 |
Glass substrate for information recording medium, manufacturing method thereof, and information recording medium
A glass substrate for an information recording medium has an acid resistance represented by an etching rate of at most 45 nm/min. upon contact with a hydrofluoric acid having a temperature of 50°...
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6536236 |
Method of making a polarizing glass
A method of producing a polarizing glass article that exhibits a broad band of high contrast polarizing properties in the infrared region of the radiation spectrum. The polarizing glass is...
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6523367 |
Method of manufacturing glass substrate for use in information recording medium, 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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6502424 |
Process and plant for processing interleaved glass
A method and plant for treating laminated glass having at least two glass sheets between which is arranged at least on intermediate sheet of non-glass material. The glass is attacked in a basic...
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6480518 |
Synthetic quartz glass member for use in ArF excimer laser lithography
A synthetic glass member for use in excimer laser lithography, having superior homogeneity, high transmittance for ArF excimer laser beams and an excellent resistance against lasers is made from...
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6432200 |
Silver film incorporating protective insoluble metallic salt precipitate
An apparatus is provided for making mirrors having enhanced reflective layer resistance to corrosion. The reflective layer of the mirror, typically silver, is contacted, preferably simultaneously,...
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6428864 |
Glass bottle for high-frequency heat sealing
Glass bottles having undergone high-frequency heat sealing, to depress the dispersion of sealing strength as low as possible and to improve the ease of both sealing and unsealing. A rough surface...
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6408650 |
Nitrate/nitrite-free manufacturing of glass with selenium
The invention is a method of retaining selenium in a lass containing selenium by including a manganese compound and not including nitrates or nitrites routinely used in the industry to retain...
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6381986 |
Sintered quartz glass products and methods for making same
A number of unique processes are disclosed for manufacture of sintered high-purity quartz glass products in which a shaped silica body or preform is made from an aqueous slurry of micronized silica...
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6374640 |
Method for compaction of flat glass panes
A simple and economical method is described for compacting or shrinking flat glass panes. The method ensures high temperature homogeneity in the glass. First, the glass panes are cleaned and then a...
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6363748 |
Method of making protective filter lens
An ophthalmic, protective, filter lens, and a method of producing such lens, the lens having a ratio of Z and Y tristimulus values between 0.25-0.40, a dominant wavelength between 570-580 nm. on a...
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6360563 |
Process for the manufacture of quartz glass granulate
In a process for manufacture of dense, amorphous quartz glass granulate by production of a porous granulate from amorphous SiO 2 powder and vitrification of the granulate, a porous SiO 2 ...
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6355587 |
Quartz glass products and methods for making same
The application discloses a number of unique sintered quartz glass products together with new silica compositions and processes for making and using such products. Nitrided clear and opaque...
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6349569 |
Stain-resistant glass making method
The present invention provides a method for making a stain-resistant float glass and an apparatus for carrying out such a method. In keeping with this method, SO 3 is applied to the upper surface...
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6339033 |
Silica glass having superior durability against excimer laser beams and method for manufacturing the same
A silica glass is provided for use in an optical system processing an excimer laser beam. The silica glass has a molecular hydrogen concentration of about 5×10 18 molecules/cm 3 or less and is...
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6309991 |
Silica with low compaction under high energy irradiation
Fused silica stepper lens for photolithographic application are disclosed which are resistant to laser-induced damage, specifically, compaction or densification which can lead to an increase in the...
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