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4878914 |
Ceramic prosthesis for living body & method of making the same
A ceramic prosthesis for the living body wherein a plurality of globular or indefinite-shaped ceramic particles are bonded by sintering into one body directly or indirectly with the surface of a...
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4873352 |
Transparent aqueous tin compound solution
By reacting a tin carboxylate with hydrogen peroxide at a particular ratio in an aqueous medium, this invention provides a transparent aqueous tin compound solution which can finally form, in an...
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4871587 |
Process for coating an object with silicon carbide
A process for coating a carbon or graphite object with silicon carbide by contacting it with silicon liquid and vapor over various lengths of contact time. In the process, a stream of...
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4861625 |
Method of manufacturing a thermal printing head having a partially-glazed ceramic substrate
A method of manufacturing a partially-glazed ceramic substrate for use in a thermal printing head. A ceramic substrate having a surface roughness of 0.2 μm or less is provided. Subsequently, a...
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4853204 |
Method for production of oxidation-resistant silicon nitride material
An oxidation-resistant silicon nitride material possessing a surface layer of a phase of closely packed crystals is produced by a procedure which comprises covering the surface of a silicon nitride...
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4853101 |
Porous separator comprising inorganic/polymer composite fiber and method of making same
A dimensionally stable separator comprising inorganic/polymer composite fibers and a method of making same is disclosed. The separator can be employed as a diaphragm for use in electrolytic cells,...
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4842840 |
Method for production of oxidation-resistant sialon and silicon carbide materials
An oxidation-resistant sialon material and an oxidation-resistant silicon carbide material each containing a phase of closely packed crystals in the surface region are produced by coating a sialon...
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4835009 |
Method of producing oxygen sensing element
A method of producing an oxygen sensing element including a main body made of an oxygen-ion conductive solid electrolyte, an undulated layer formed on the main body, a measuring electrode formed on...
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4830879 |
Broadband antireflective coating composition and method
The invention relates to antireflective coatings and to a process for depositing the antireflective coatings on solar collector cover plates, optical elements such as lenses and windows in...
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4822697 |
Platinum and rhodium catalysis of low temperature formation multilayer ceramics
This invention relates to materials produced by diluting in a solvent a platinum or rhodium catalyzed preceramic mixture of a hydrogen silsesquioxane resin. The preceramic mixture solvent solution...
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4822686 |
Iron baseplate having an enamel coating
The iron baseplate (1) has an enamel coating (8) on its surface (7) intended to be applied to the articles for ironing. This enamel coating (8) provides inter alia an improved coefficient of...
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4820545 |
Method of bonding ceramic orthodontic appliances
A method of enhancing the bondability of ceramic orthodontic brackets or other dental attachments for improving the bonding strength between such attachments and the tooth engaging surface...
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4817276 |
Process for producing ceramic substrates for microelectronic circuits
A ceramic substrate for densely integrated semiconductor arrays which is superior in a coefficient of thermal expansion, dielectric constant, strength of metallized bond, and mechanical strength,...
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4805551 |
Process and apparatus for producing glazed ceramic tiles, and tiles so obtained
The process provides for the firing in a furnace of ceramic bodies and their coating in an incandescent state on one face with dry granular or powdered glaze when all firing reactions of the...
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4804562 |
Method for repairing ceramic casting cores
Defects in green, unsintered ceramic casting cores which contain a thermoplastic binder are repaired according to this invention. In a preferred embodiment, a mixture of a volatilizable solvent and...
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4801351 |
Method of manufacturing monocrystalline thin-film
Improvements in a method for performing a monocrystallizing operation through the application of energy beams upon a non-monocrystalline thin-film of non-crystalline or polycrystalline material...
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4792358 |
Inorganic coating compositions
This invention provides an inorganic coating composition comprising (a) about 100 parts by weight (based on solids) of a binder component prepared by thermally dissolving about 10 to about 40 parts...
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4776865 |
Method of forming a fiber-reinforced inorganic composite
A method of forming a fiber-reinforced, glass or glass-ceramic, elongated composite is described wherein several multifiber lengths are impregnated with matrix material, woven or twisted to form a...
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4772488 |
Organic binder removal using CO.sub.2 plasma
An improved method of fabricating thick film dielectrics and copper conductors comprises depositing and drying an appropriate thick-film ink, treating the resulting patterned layer with a carbon...
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4770908 |
Process for preparing porous ceramic membrane
A process for preparing a porous ceramic membrane to be employed for separating condensible gases and so on, which process comprises disposing on a porous ceramic substrate a layer of alumina sol...
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4759950 |
Method for metallizing filaments
A method for metallizing a filament, wherein the filament is initially coated with a sol gel dispersion of polysilicate, titania, or alumina, and after drying at elevated temperature to form a...
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4753856 |
Multilayer ceramic coatings from silicate esters and metal oxides
This invention relates to materials produced by diluting in a solvent a preceramic mixture of a partially hydrolyzed silicate ester and a metal oxide precursor selected from the group consisting of...
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4753855 |
Multilayer ceramic coatings from metal oxides for protection of electronic devices
This invention relates to materials produced by diluting in a solvent a preceramic mixture of a hydrogen silsesquioxane resin and a metal oxide precursor selected from the group consisting of an...
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4752313 |
Pultrusion process for fiber-reinforced composites
There is disclosed a method of producing an elongated, fiber-reinforced composite having a glass or glass-ceramic matrix and an elongated axial form. A continuous length of fibers is impregnated...
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4749594 |
Method for coating surfaces with hard substances
To coat metallic or ceramic surfaces with hard substances by means of brazing, a powder mixture of 60 to 90% silver, 2 to 35% copper, 2 to 30% tin and/or indium and 2 to 20% titanium, zirconium,...
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4746537 |
Method of coating porous ceramic structures with γ-alumina
A method of applying γ-alumina to a porous ceramics structure includes the steps of: causing fine particles of γ-alumina together with a carrier gas to flow through pores in the porous ceramics...
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4737476 |
Composite by infiltration
A composite comprised of a continuous matrix phase having a ceramic filler phase distributed therein is produced by shaping a mixture of ceramic filler and a solid constituent of the matrix into a...
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4735859 |
Magnesia aggregate for refractory article and method for manufacturing same
A magnesia aggregate for a refractory article, which comprises: a core portion comprising magnesia; a covering layer excellent in slag penetration resistance, which comprises a refractory material...
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4735757 |
Process for producing improved ceramic fiber moldings
A process for producing an improved ceramic fiber molding by submersing the molding into a suspension containing colloidal silica and/or colloidal alumina and chromium oxide powder. The chromium...
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4734233 |
Ceramic wiring substrate and process for producing the same
A ceramic wiring substrate and a process for producing the same having a conductive layer, obtained by sintering a conductive paste comprising 85 to 97% by weight of a tungsten powder and 15 to 3%...
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4732780 |
Method of making hermetic feedthrough in ceramic substrate
A process for producing an hermetic feedthrough in a ceramic substrate by providing a sheet of liquid phase sinterable ceramic composition having a feedthrough hole, filling the feedthrough hole...
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4731462 |
Organotin compounds containing fluorine useful for forming fluorine-doped tin oxide coating
This invention relates to organotin compounds containing fluorine which are particularly useful for forming fluorine-doped tin oxide coatings by the chemical vapor deposition method. In the...
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4731293 |
Fabrication of devices using phosphorus glasses
A fabrication technique is described for making various devices in which a type of glass is used as a surface protection layer. The glass layers are put down by particle bombardment (generally...
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4724165 |
Process and apparatus for coating metal strips on both sides with coats of enamel
A process and apparatus for coating metal strips on both sides with an enamel base coat and on at least one side thereof with an enamel top coat by continuously passing such strips in a contactless...
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4722817 |
Method for production of continuous carbon fiber reinforced SiC composite
A continuous carbon fiber reinforced SiC composite is produced by a method which comprises impregnating continuous carbon fibers coated with a SiC or titanium compound with a slurry mixture of...
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4721548 |
Semiconductor planarization process
Planarization process for planarizing glass layer which receives first layer metal. Spin-on-glass is cured in steam and then etched back using hydrofluoric and nitric acids diluted in acetic acids.
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4720438 |
Molded clay article coated with pearl pigment
A process for producing a molded clay article having pearly luster, comprised coating a molded clay article with a mixture of (1) a glaze adjusted to have the sum of the R 2 O groups in the Seger...
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4714645 |
Electronic parts and process for the manufacture of the same
Electronic parts comprising ceramic substrate and electrode layer provided onto the substrate in which a micro-granular ceramic powder is dispersed substantially only inside of the electrode layer....
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4704302 |
Process for producing an insulating layer buried in a semiconductor substrate by ion implantation
Process for producing a buried insulating layer in a semiconductor substrate by ion implantation. This process consists of producing a mask on the substrate regions where the active zones are...
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4700169 |
Zinc oxide varistor and method of making it
A high resistivity layer is disclosed for a medal oxide voltage-nonlinear resistor (varistor) for arrestors and surge absorbers of the type having a sintered body containing zinc oxide as a major...
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4695504 |
Thick film resistor composition
A thick film resistor composition, comprising a silicide powder composed of a molybdenum disilicide, a tantalum disilicide and a magnesium silicide, and an alkaline earth borosilicate glass powder...
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4692345 |
Method for gettering heavy metal from a silicon plate
In the particular embodiments of the invention disclosed in the specification, a single crystal silicon plate having heavy metal impurities is coated with a layer of amorphous silicon several...
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4677009 |
Ceramic bodies having a plurality of stress zones
Ceramic bodies having a balanced overall stress pattern in which are present individual stress zones of compressive and tensile stresses and the techniques for forming said bodies are disclosed....
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4671911 |
Ceramic composite material having a core of ceramic fibers coated with a layer of ceramic, and method of producing same
Ceramic composite material characterized in that it comprises a core of ceramic fibers of which at least one face is coated with a hard and dense ceramic slip covering, of which the coefficient of...
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4664946 |
Silicon carbide substrates and a method of producing the same
This invention relates to a method of producing a silicon carbide substrate having desirable electrical insulation properties. The silicon carbide substrate is produced by applying to a surface of...
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4661369 |
Non-destructive evaluation method for coated carbon-carbon composites
A non-destructive technique for detecting and repairing surface flaws in the silicon carbide oxidation resistant coating of a carbon-carbon composite. The surface of the composite is treated with a...
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4656071 |
Ceramic bodies having a plurality of stress zones
Ceramic bodies having a balanced overall stress pattern in which are present individual stress zones of compressive and tensile stresses and the techniques for forming said bodies are disclosed....
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4650621 |
Method of preparing heat exchange element
The present invention provides a method of preparing a heat exchange element comprising a molded product of a paper-like material made of ceramic fibers as a matrix, the interstices among the...
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4647500 |
High temperature flame and heat resistant foamed plastics
The heat and flame resistance of foamed plastics is increased by coating the foamed plastic with an inorganic binder composition of colloidal silica, monoaluminum phosphate and aluminum...
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4639391 |
Thick film resistive paint and resistors made therefrom
This invention relates to thick film base metal resistive paints for firing on a substrate to form a resistor having a temperature coefficient of resistance within ±100 ppm/°C., while providing a...
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