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7611579 |
Systems and methods for synthesis of extended length nanostructures
A system for synthesizing nanostructures using chemical vapor deposition (CVD) is provided. The system includes a housing, a porous substrate within the housing, and on a downstream surface of the...
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7566672 |
Glass composition exclusively consisting of oxides which already at low temperatures form volatile fluorides by reaction with fluorine and its use
The glass is advantageous for microstructuring, especially reactive ion etching with fluorine and fluorine compounds, and has a glass composition based on oxide content and expressed in mol % of:...
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7488237 |
Optical filter, production method for this optical filter and optical device using this optical filter and housing structure for this optical filter
An optical low pass filter is constituted by a quartz birefringent plate a quarter wavelength plate and a quartz birefringent plate layered in that order. Curved chamfered portions are formed at a...
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7354526 |
Processing method for glass substrate, processed glass product and stress applying apparatus
A processing method for glass substrate of the present invention includes: applying heat and external force to a glass substrate and then cooling it down to thereby form a compression stressed part...
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7276181 |
Method for preparing decorative glass using glass etching composition
A method for preparing a decorative glass using a glass etching composition, wherein a frosting of elaborate patterns and designs is applied on the surface of the glass having an arbitrary shape,...
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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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7168266 |
Process for making crystalline structures having interconnected pores and high refractive index contrasts
Techniques for producing a glass structure having interconnected macroscopic pores, employing steps of filling polymerizable glass precursors into pores in a polymeric structure having...
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7140203 |
Method for manufacturing glass substrate of information recording medium
Provided is a method for manufacturing a glass substrate for an information recording medium, which is advantageous in that oozing of an alkali and deformation of a texture are suppressed. The...
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7132054 |
Method to fabricate hollow microneedle arrays
An inexpensive and rapid method for fabricating arrays of hollow microneedles uses a photoetchable glass. Furthermore, the glass hollow microneedle array can be used to form a negative mold for...
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7082789 |
Silica glass member for semiconductor and production method thereof
A silica glass member for semiconductor in which each concentration of Fe, Cu, Cr and Ni is 5 ppb or less and the concentration of an OH group is 30 ppm or less and which has a viscosity of 10 13.0...
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7062941 |
Manufacturing method of optical fiber preform
A method for manufacturing an optical fiber preform that can produce an optical fiber having desired characteristics over the longer length thereof. A crude preform provided with a core region and...
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7044839 |
Glass substrate for information recording medium and process for manufacturing the same
A glass substrate for use in an information recording medium is manufactured by polishing a surface of a disc-shaped glass substrate and then performing texture processing on the surface. The...
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7010939 |
Glass substrate for data recording medium and manufacturing method thereof
In a first polishing step, or in a first half of a super precision polishing, a surface of a glass substrate is polished with a first suspension. The first suspension contains particles and 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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6990285 |
Method of making at least one hole in a transparent body and devices made by this method
A method of making an at least one hole in an optically transparent body comprises the following steps: (i) providing an ultrashort pulse laser for producing a laser output with a wavelength λ,...
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6929861 |
Anti-reflective glass surface with improved cleanability
A low reflectance glass surface with improved cleanability is disclosed which includes a particular combination of surface structures which produce a low reflectance yet high clarity glass. The...
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6928837 |
Silica glass substrates and their selection
A silica glass substrate is obtained by polishing, cleaning, drying and etching a silica glass substrate slice. When the substrate on one surface is treated with a reactive reagent, defects having...
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6920765 |
Combined advanced finishing and UV laser conditioning process for producing damage resistant optics
A method for reducing the density of sites on the surface of fused silica optics that are prone to the initiation of laser-induced damage, resulting in optics which have far fewer catastrophic...
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6868209 |
Method for fabricating chirped fiber Bragg gratings
A chirped Bragg grating is fabricated in an optical fiber by exposing the fiber to a coherent beam of light through a parallel phase mask having a series of progressively chirped segments produced...
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6837072 |
Rewritable optical recording medium and manufacturing method and apparatus therefor
A rewritable optical recording medium includes a segmented groove area in which the groove track is segmented along a rotating direction of the recording medium by groove non-forming portions to...
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6831791 |
Optical system for optical communications and method of manufacturing the same
An optical system for optical communications is composed of a transparent material having a refractive index distribution formed by changing the molar ratio of metal oxide with valence of 2 or...
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6807824 |
Glass etching composition and method for frosting using the same
A glass etching composition free from health hazard and environmental pollution, and a frosting method using the composition for a glass surface are provided.
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6795614 |
Method of making phase mask for machining optical fiber and optical fiber having bragg diffraction grating produced using the phase mask for machining optical fiber
The present invention relates to a method of producing an optical fiber-processing phase mask having minimized connection errors that may degrade the spectral line shape and group delay...
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6771428 |
Gradient index rod lens, method for manufacturing gradient index rod lens, and lens array
A compact gradient index rod lens that can be manufactured without decreasing the amount of incident light. The gradient index rod lens includes a lens body radially distributing refractive...
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6754429 |
Method of making optical fiber devices and devices thereof
The invention provides a method of making optical fiber devices. The method includes providing an ultrashort subpicosecond laser pulse duration pulse laser for producing a laser output with a...
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6751387 |
Microporous glass waveguides doped with selected materials
The present invention concerns waveguides made from porous glass which have been doped with certain selected materials which exhibit optical properties. In the context of the invention, the...
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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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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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6668587 |
Method for the production of glass substrates for magnetic recording mediums
A method for the production of a glass substrate for magnetic recording mediums is herein provided and this method is characterized in that the final cleaning step is performed in two stages, in...
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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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6550278 |
Method of manufacturing glass substrate for use as information recording medium
A glass substrate for use as an information recording medium has an average surface roughness (Ra) in the range of 0.3 nm≦Ra<3.0 nm and includes surface irregularities shaped and distributed...
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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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6524773 |
Polarizing glasses having integral non-polarizing regions
Polarizing glass having localized regions or patterns of non-polarizing glass is disclosed. The glass is formed by use of reducing gas-blocking material, by local thermal heating of the glass, or...
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6510707 |
Methods for making silica crucibles
Silica crucibles containing an inner layer which is substantially pure and substantially bubble-free and methods for making such crucibles. The inner layer is also substantially stable against...
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6475599 |
Substrate for information recording media
A substrate for information recording media is disclosed which has optimized shapes of surface recesses and protrusions and thereby contributes to a reduction in flying height and causes neither...
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6471868 |
Method of preparing glass fiber filter
A method for preparing a plasma or serum sample from a whole blood sample, by contacting a glass fiber filter which contains calcium, sodium or potassium components with an aqueous solution of an...
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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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6383404 |
Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same
In a glass substrate for use in a magnetic recording medium, a surface roughness of at least a principal surface of the glass substrate is measured by the use of the interatomic force microscope...
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6378338 |
Method for producing magnetic disk substrates
Magnetic disk substrates are produced by subjecting glass substrates to at least steps of degreasing, etching, sensitization with tin chloride, activation and sensitivity-enhancing treatment in...
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6359735 |
Antireflective coating and method of manufacturing same
What is described here is an antireflective coating comprising a carrier layer consisting of an optically transparent material, which, at least on one surface side, presents antireflective...
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6284207 |
Process for producing high surface area material by controlled leaching of blast furnace slag
A material with high surface area can be obtained through the partial or total removal of CaO and MgO by acid leaching of blast furnace slag. This is accomplished by an improved process for...
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6269661 |
Method for manufacturing optical components for use in the ultraviolet region
The present invention provides a method for manufacturing an optical component that have increased transmittance in the ultraviolet region of the spectrum. The method includes the steps of cutting...
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6262389 |
Laser-processable glass substrate and laser processing method
A sheet of silicate glass having a thickness of 2 mm and composed mainly of SiO 2 , and containing Al 2 O 3 , B 2 O 3 , Na 2 O, F, etc., is immersed in a molten salt comprising a mixture of 50...
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6241903 |
Diffuser master and method of manufacture
A diffuser master is provided which is manufactured mechanically instead of holographically. The master can be made from a suitable substrate including relatively hard materials such as plastic,...
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6223562 |
Etching a halide glass tube, removing the etchant, and forming an optical fiber
The surface quality of halide, preferably fluoride, articles, e.g., articles used in the preparation of halide fibers is improved by cleaning the surface with an aqueous etchant and thereafter...
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6205820 |
Process for improving adhesive attachment
The invention relates to a process for treating a machined glass surface for improving the adhesive attachment of an optical fiber to this surface, characterized in that machined surface is...
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6134918 |
Method of fabricating glass substrate for magnetic disk and method of fabricating magnetic disk
The surface of a glass substrate withdrawn from a chemically strengthening treatment liquid is processed with a heated acid (for example, a thermal concentrated sulphuric acid at a temperature of...
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6032487 |
Fabrication process of a gradient index type of optical element
The invention provides a process of obtaining a gradient index type of optical element with profiles of first and second metal component concentrations by the sol-gel method. The process of...
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6016668 |
Method for dissolving a hardened glass solder, method for separating components joined by a glass solder, method for disassembling a fuel cell
A method for dissolving a hardened glass solder, a method for separating components joined by a glass solder, a method for disassembling a fuel cell, and an apparatus for disassembling a fuel cell,...
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