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7169725 |
Ceramic products, raw batch formulations, and method
The invention provides a method to transform large quantities of waste glass into useful ceramic products by a low-cost manufacturing process. The method improves green strength compared to...
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7140202 |
Method for manufacturing optical glasses and colored glasses at low temperatures
The invention relates to a method for manufacturing optical glasses and colored glasses with the aid of a fluid phase sintering process from a basic material encompassing at least SiO 2 powder as...
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7069746 |
Method for producing ultra-high purity, optical quality glass articles
A method for producing ultra-high purity, optical quality, glass articles is disclosed which involves:
1. compacting metaloxide or metalloidoxide to granules having a mean particle size of...
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7007509 |
Method of making glass compositions for ceramic electrolyte electrochemical conversion assemblies and assemblies made thereby
A method of making a glass composition consisting essentially by mol percent of about 55<SiO 2 <75 5<BaO<30 and 2<MgO<22 for use as a matrix of composite materials. A method of...
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6988378 |
Light weight porous structure
These glass bodies are light weight porous structures such as a boules of high purity fused silica (HPFS). More specifically, the porous structures are supports for HPFS mirror blanks. Porous glass...
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6755049 |
Method of producing a quartz glass crucible
Known is a method of producing a quartz glass crucible in which a crucible base body is provided at least in part with an inner layer in which the formation of cristobalite is induced by using a...
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6645424 |
Combustion synthesis of glass (Al2O3-CaO-X-Y) ceramic (TiB2) composites
The present invention is directed to the preparation of in-situ formation of a series of glass-ceramic composites by the Self-propagating High temperature Synthesis (SHS) technique with advantages...
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6532767 |
Methods for producing fused silica glass
Methods for producing high purity fused silica (HPFS) glass having desired levels of dissolved hydrogen are provided. The methods involve measuring the level of hydrogen in the cavity of the...
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6478993 |
Method for the manufacture of foamed materials
A method of forming foamed articles suitable for refractory, thermal insulation and construction application in a form such as bricks, blocks, slabs and discs includes the preparation of...
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6405563 |
Opaque silica glass article having transparent portion and process for producing same
An opaque silica glass article comprising a transparent portion and an opaque portion, wherein the opaque portion has an apparent density of 1.70-2.15 g/cm 3 and contains 5×10 4 -5×10 6 bubbles...
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6381987 |
Process for making opaque quartz glass and opaque component made according to the process
Based on a known process for the manufacture of opaque quartz glass, by mixing SiO 2 particles and an additive which is volatile at a melting temperature, forming a body and melting said body with...
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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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6361927 |
Method for fabricating grating pattern
There is a provided a method for fabricating a grating pattern, including the steps of: coating an SOG solution on a glass substrate by spin coating method; heat-treating the SOG thin film coated...
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6268089 |
Photorecording medium and process for forming medium
An improved photorecording medium suitable for use in holographic storage systems contains a glassy hybrid inorganic-organic, three dimensional matrix, in which is distributed a photoimageable...
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6209357 |
Method for forming article using sol-gel processing
A silica body useful for forming an optical fiber preform exhibits an ultimate strength of at least 20 MPa at 10 wt. % water loss. The body attains this strength, it is believed, by precipitation...
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6032488 |
Method of manufacturing a porous inhomogeneous material
The invention is used to manufacture an inhomogeneous medium whose porosity and permeability undergo rapid transitions from one point to another of its volume, by juxtaposing different materials...
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5985779 |
Opaque quartz glass product and method of manufacture
Disclosed is a quartz glass product of enhanced opacity manufactured by fusion of silica particles, the opacity being enhanced by the reaction of an organosilicon additive in the course of the...
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5942376 |
Shelf-stable liquid metal arylketone alcoholate solutions and use thereof in photoinitiated patterning of thin films
Solution films of a photosensitive metal arylketone alcoholate are micro-patterned by exposure to ultraviolet radiation under a mask. The resultant patterns are developed in an apolar solvent and...
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5840465 |
Compositions and method for formation of barrier ribs of plasma display panel
A composition for the formation of barrier ribs of a plasma display panel and a method for the formation of the barrier ribs are disclosed. The formation of barrier ribs is effected by applying...
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5792417 |
Method of manufacturing aluminoborate glass-ceramic composite
In-situ formation of glass-ceramic composites by the Self-propagating High temperature Synthesis (SHS) technique. The reagents used are: TiO 2 , B 2 O, Al, Ti, B and MO where MO represents BaO,...
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5772714 |
Process for producing opaque silica glass
A process for producing opaque silica glass in which a quartz raw material grain having a particle size of 10 to 350 μm is filled into a heat resistant mold, the quartz raw material grain is...
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5696038 |
Boule oscillation patterns in methods of producing fused silica glass
Oscillation/rotation patterns for improving the off-axis homogeneity of fused silica boules are provided. The patterns reduce the optical effects of periodic off-axis striae by decreasing the ratio...
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5683481 |
Method of making core shell structured articles based on alumina ceramics having spinel surfaces
An alumina ceramic article and a method for preparing the article. The method comprises the steps of: (1) Compacting a mixture of a first concentration of particulate aluminum oxide sufficient to...
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5679125 |
Method for producing silica glass for use with light in a vacuum ultraviolet wavelength range
A method for producing a synthetic silica glass for use with vacuum ultraviolet light comprises the steps of: (a) producing a soot preform; (b) heating the soot preform in an atmosphere containing...
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5676720 |
Method of forming a porous glass substrate
A glass material is formed from SiO 2 , CaO, Na 2 O and P 2 O 5 and the porous, non-crystalline structure is most preferably created by melting the constituents, cooling and pulverizing the...
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5668067 |
High purity fused silica having high resistance to optical damage
The invention relates to the production of high purity fused silica glass which is highly resistant to optical damage by ultraviolet radiation in the laser wavelength of about 300 nm or shorter. In...
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5649987 |
Process for producing tabular building and decorative materials similar to natural stone
A process for producing tabular building and decorative materials similar to natural stone and having high strength for the facing of facades, walls and floors in interior and exterior applications...
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5641333 |
Increasing the retention of Ge0.sub.2 during production of glass articles
A method for forming a GeO 2 -doped SiO 2 glass article by depositing glass particles to form a porous preform and then drying and sintering the porous preform. A precursor of SnO 2 is also...
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5547482 |
Method of making fused silica articles
This invention is directed to the production of essentially defect-free high purity fused silica glass articles, the method comprising the following steps: (a) forming a green body from silica...
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5356447 |
Manufacture of high proof-test optical fiber using sol-gel
Incidence of breakage in optical fiber drawn from sol-gel produced preforms is reduced by treatment of the still-porous glass by use of a chlorine-containing, oxygen-free gas mixture. Improved...
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5314518 |
Method for producing glass preform for optical fiber
A glass preform for an optical fiber containing a dopant in a core portion at a high concentration is produced by providing a glass tube, forming a coating film of a sol-gel solution containing a...
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5182052 |
Method of manufacturing tubes and device for carrying out the method
Method of manufacturing tubes in which a mixture of powdered tube material and a liquid binder is introduced into a tubular mold with a geometry corresponding to the geometry of the tube to be...
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5143533 |
Method of producing amorphous thin films
Disclosed is a method of producing thin films by sintering which comprises: a. coating a substrate with a thin film of an inorganic glass forming parulate material possessing the capability of...
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5114881 |
Process for producing a ceramic preform
A process for producing a ceramic preform, which comprises mixing an alkoxysilane and fine silica powder, molding the mixture, followed by heating for de-alcoholysis.
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5108477 |
Method for making a glass article
A method for foming glass articles of substantial thickness from unstable glass compositions which normally devitrify when formed by conventional casting or molding processes, is disclosed. The...
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5069701 |
Preparation of fluoride glass by chemical vapor deposition
A fluoride glass is prepared by depositing a solid including a metal fluoride on a heated substrate, from a gaseous mixture of a nonmetallo-organic compound, carbon dioxide, and a source of...
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5028247 |
Process for the preparation of silica glass powders
Silica glass powders are prepared by mixing a silicic acid ester, water in an amount equal and or larger than 0.5 gram equivalent of an alkoxy group of the silicic acid ester and siliceous...
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4983549 |
Method for recycling plastic composite materials
A method is disclosed for recycling reinforced plastic composite materials. The reinforced plastic composite material is heated to separate said plastic matrix material from said reinforcement...
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4961771 |
Stress-free composite and a method of and arrangement for manufacturing the same
Disclosed is the manufacture of a stress-free composite including reinforcing fibers embedded in and bonded to a matrix material such that differential contraction takes place in the matrix...
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4945074 |
Polymeric alkali metal silicate glass
The present invention relates to producing a polymeric alkali metal silicate glass powder by repeated steps of partial hydration and dehydration until the desired degree of polymerization has taken...
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4938788 |
Method of producing uniform silica glass block
A method of producing a uniform silica glass block comprising using silica powder as a raw material, and treating it at high temperature and pressure by a hot press and/or a hot isostatic press in...
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4927442 |
Method of producing open-pore sintered glass filters and product
Filter bodies are made by mixing borosilicate glass powder, potassium sulphate and 30% aqueous polyethylene glycol solution per kilogram of mixture. The mixture is filtered and dried and glass...
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4917934 |
Telescope mirror blank and method of production
A telescope mirror blank having a supporting network core composed of sintered ceramic struts, and a method of forming such core from a thermally crystallizable, powdered glass and as a separate...
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4908339 |
Flexible glass
Alkali metal silicate glass is mixed with water to form an aqueous alkali metal silicate glass suspension, then dried to form a flexible solid alkali metal silicate glass product which may be...
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4904291 |
Process for the manufacture of open porous sintered bodies being prepronderantly composed of glass ceramics
A process for manufacturing open porous sintered bodies with large open pore volume and defined pore diameters and which at least predominantly consist of glass-ceramics. They are obtained by...
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4898604 |
Method of manufacturing a blank for a light-weight mirror with a supporting structure
A method of manufacturing a blank for a light-weight mirror. Graphite molding bodies are positioned at regular intervals on a base that functions as a mirror plate or backing plate. The base is...
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4888036 |
Method of manufacture of glass bodies
In a method of manufacturing glass bodies, in which a thixotropic suspension of SiO 2 particles having a diameter in the range from 10 to 500 nm in a dispersing liquid is formed into a green body,...
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4849001 |
Method for making sintered glass
A porous water soluble glass body is formed by sintering powdered glass, compacted to a predetermined density, at a temperature near the glass softening temperature (T s ). The porous body may be...
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4846866 |
Providing reinforced alkaline earth aluminosilicate glasses
The present invention is directed to the preparation of hybrid composite bodies composed of an essentially alkali-free, alkaline earth aluminosilicate glass matrix reinforced with SiC whiskers and...
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4824807 |
Flexible alkali metal silicate glass products
Alkali metal silicate glass is mixed with water to form an aqueous alkali metal silicate glass suspension, then dried to form a flexible solid alkali metal silicate glass product which may be...
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