|
Match
|
Document |
Document Title |
|
|
7608145 |
Method and apparatus of growing silicon single crystal and silicon wafer fabricated thereby
Disclosed is a method of fabrication of high quality silicon single crystal at high growth rate. The method grows silicon single crystal from silicon melt by Czochralski method, wherein the silicon...
|
|
|
7588745 |
Silicon-containing products
A method for producing carbon-silica products from silica-containing plant matter such as rice hulls or straw by leaching with sulfuric acid to remove non-silica minerals and metal while adjusting...
|
|
|
7576035 |
Honeycomb structure and method for manufacturing honeycomb structure
A pillar-shaped honeycomb structure has a plurality of cells longitudinally placed in parallel with one another with a wall portion therebetween, wherein the honeycomb structure mainly includes...
|
|
|
7569201 |
Method of manufacturing honeycomb structure and silicon carbide particle for manufacturing the same
A method of manufacturing a honeycomb structure. (1) Water is added to silicon carbide particles and kneaded into a kneaded raw material. The silicon carbide particles have an average particle...
|
|
|
7521034 |
3C-SiC nanowhisker
3C-SiC nanowhisker and a method of synthesizing 3C-SiC nanowhisker wherein its diameter and length can be controlled. The method is safe and low cost, and the whisker can emit visible light of...
|
|
|
7504359 |
Ceramic honeycomb structure
A honeycomb structural body comprises one or plural pillar-shaped porous ceramic members in which many through-holes are arranged side by side in a longitudinal direction through partition walls...
|
|
|
7485278 |
Method for making silicon carbide whiskers
A ceramic composite made by compacting a starting powder blend. The composite includes between about 50 volume percent and about 99 volume percent of a ceramic matrix; and between about 1 volume...
|
|
|
7479265 |
Catalytic filter based on silicon carbide (β-SiC) for combustion of soot derived from exhaust gases from an internal combustion engine
This invention relates to β-SiC foam parts with a specific surface area preferably equal to at least 5 m 2 /g and with at least two zones A and B with a different cellular porosity distribution,...
|
|
|
7452591 |
Silicon carbide based porous material and method for production thereof
A silicon carbide-based porous material characterized by comprising silicon carbide particles as an aggregate, metallic silicon and an oxide phase containing Si, Al and an alkaline earth metal; it...
|
|
|
7438884 |
Silicon carbide with high thermal conductivity
A chemical vapor deposited, β phase polycrystalline silicon carbide having a high thermal conductivity and reduced stacking faults. The silicon carbide is synthesized under specific conditions...
|
|
|
7438880 |
Production of high purity ultrafine metal carbide particles
The production of ultrafine metal carbide powders from solid metal carbide and nitrogen-containing material is disclosed. The starting materials are fed together or separately to a plasma system...
|
|
|
7393514 |
Carbide nanofibrils and method of making same
A plurality of carbide, such as silicon carbide, tungsten carbide, etc., nanofibrils predominantly having diameters substantially less than about 100 nm and a method for making such carbide...
|
|
|
7364714 |
3C-SIC nanowhisker and synthesizing method and 3C-SIC nanowhisker
3C—SiC nanowhisker and a method of synthesizing 3C—SiC nanowhisker wherein its diameter and length can be controlled. The method is safe and low cost, and the whisker can emit visible light of...
|
|
|
7294324 |
Low basal plane dislocation bulk grown SiC wafers
A high quality single crystal wafer of SiC is disclosed. The wafer has a diameter of at least about 3 inches (75 mm) and at least one continuous square inch (6.25 cm 2 ) of surface area that has a...
|
|
|
7109138 |
Composition for preparation of silicon carbide powder
The synergistic composition consists of a mixture of a source of pure silica such as silicon dioxide, a source of carbon such as activated charcoal, β-silicon carbide and a source of iron such as...
|
|
|
7083771 |
Process for producing silicon carbide fibers essentially devoid of whiskers
Method for producing silicon carbide fibers by mixing discontinuous isotropic carbon fibers with a silica source and exposing the mixture to a temperature of from about 1450° C. to about 1800° C....
|
|
|
7041266 |
Silicon carbide fibers essentially devoid of whiskers and products made therefrom
Silicon carbide fibers are produced by mixing discontinuous isotropic carbon fibers with a silica source and exposing the mixture to a temperature of from about 1450° C. to about 1800° C. The...
|
|
|
7037477 |
Silicon carbide-based porous material and process for production thereof
A silicon carbide-based porous material containing silicon carbide particles ( 1 ) as an aggregate and metallic silicon ( 2 ), wherein the average particle diameter of the silicon carbide-based...
|
|
|
7029643 |
Silicon carbide powder and method for producing the same
A method of producing a silicon carbide powder comprising sintering a mixture containing at least a silicon source and a carbon source wherein the carbon source is a xylene-based resin. Preferable...
|
|
|
7029511 |
Si-containing honeycomb structure and process for production thereof
A honeycomb structure 1 has a large number of through-holes 3 divided by partition walls 2 and extending in the axial direction, characterized in that the honeycomb structure contains a Si...
|
|
|
7018597 |
High resistivity silicon carbide single crystal
The purpose of the invention is to provide a high resistivity silicon carbide substrate with electrical properties and structural quality suitable for subsequent device manufacturing, such as for...
|
|
|
7018467 |
Three-dimensional complete bandgap photonic crystal formed by crystal modification
A method of forming a three-dimensional (3D) complete photonic bandgap crystal by crystal modification is disclosed. The 3D crystal includes a first periodic array of unit cells formed from first...
|
|
|
7011803 |
Honeycomb structure and method for its manufacture
A honeycomb structure having a large number of channels through along the axial direction and being defined by partition walls. A honeycomb structure containing a refractory particle to be an...
|
|
|
6964932 |
Silicon carbonitride with spinel structure
A compound having a space spinel structure and the formula Si3-x Cx N4 wherein 0<x≦1. An example of the compound is spinel silicon carbonitride. The compound of the invention may be made by...
|
|
|
6953539 |
Composite material
A composite material includes an SiC porous ceramic sintered body, which is formed by preliminarily sintering a porous body, having a coefficient of thermal expansion lower than the coefficient of...
|
|
|
6863759 |
Methods for making composite bonded structures
Techniques to bond two or more smaller bodies or subunits to produce a unitary SiC composite structure extend the capabilities of reaction-bonded silicon carbide, for example, by making possible...
|
|
|
6861038 |
Ceramics and method of producing ceramics
A method of continuously producing a non-oxide ceramic formed of a metal constituent and a non-metal constituent. A salt of the metal constituent and a compound of the non-metal constituent and a...
|
|
|
6843974 |
Method for extracting silica from herbaceous plants
A method for extracting silica from herbaceous plant capable of extracting high purity amorphous silica from seed shell of various herbaceous plants is provided. The method includes carbonizing a...
|
|
|
6818189 |
Tubular reactor with gas injector for gas phase catalytic reactions
A continuous flow chemical reaction apparatus comprises a tubular reactor having a length and having a first fluid reactant inlet at a first end and a product outlet at a second end, said tubular...
|
|
|
6767523 |
Whisker-free silicon carbide fibers
Method for producing discontinuous silicon carbide fibers, useful as heating elements in a low-energy microwave field, from discontinuous carbonized cotton fibers employing an admixture of...
|
|
|
6746656 |
Methods for production of molybdenum carbide
Methods for producing molybdenum carbide. An embodiment of the method may comprise heating a precursor material in a first heating zone in the presence of a reducing gas and a carbonizing gas, the...
|
|
|
6730283 |
Preparation of fine β-silicon carbide powder
A fine β-silicon carbide powder is prepared by impregnating graphite with an organosilicon compound selected from crosslinkable silanes and siloxanes, causing the organosilicon compound to...
|
|
|
6723421 |
Semiconductor with coordinatively irregular structures
A non-single crystalline semiconductor material includes coordinatively irregular structures characterized by distorted chemical bonding, reduced dimensionality and novel electronic properties. A...
|
|
|
6699450 |
Carbide material by electromagnetic processing
A method for the manufacture of a structure from a carbide of a group IIa, group IIIa, group IVa, group IVb, group Vb, group VIb, group VIIb or group VIIIb carbon reactive element including the...
|
|
|
6699412 |
Compression-molded silicon carbide structures
A process for forming a silicon carbide structure includes molding by compression a mixture of a silicon precursor powder and a cross-linking thermoset resin to form a rigid structure, carbonizing...
|
|
|
6695984 |
Silicon carbide sinter and process for producing the same
The present invention provides: a fabrication method of a silicon carbide sintered body, including a step of fabricating a mixed powder slurry by dissolving or dispersing silicon carbide powder, at...
|
|
|
6627169 |
Silicon carbide powder and production method thereof
A high purity silicon carbide powder, a production method thereof, and a high purity silicon carbide sintered body are provided. The silicon carbide powder contains impurity elements, each of the...
|
|
|
6613251 |
Method of forming a ceramic article including silicon carbide
A method of making a ceramic article includes the providing a member. The member includes a cellulose-based material. The cellulose-based material is carbonized to carbon. At least a portion of the...
|
|
|
6589448 |
Ceramic ball for bearing and ceramic ball bearing using the same
A ceramic bearing ball in which at least a portion of a constituent ceramic is formed of an electrically conductive inorganic compound phase, whereby a proper electrical conductivity is imparted to...
|
|
|
6569397 |
Very high purity fine powders and methods to produce such powders
A method of producing very high purity fine powders of oxides, carbides, nitrides, borides, chalcogenides, metals, and alloys. The purity of powders produced by the method exceeds 99.9%, preferably...
|
|
|
6562130 |
Low defect axially grown single crystal silicon carbide
A method and apparatus for axially growing single crystal silicon carbide is provided. Utilizing the system, silicon carbide can be grown with a dislocation density of less than 10 4 per square...
|
|
|
6548586 |
Composition useful for making in-situ silicon carbide whiskers and fibres
A composition useful for making in-situ silicon carbide whiskers and fibers in an inorganic composite matrix selected from silicon carbide carbon and carbon composite matrix, wherein the said...
|
|
|
6534026 |
Low defect density silicon carbide
A low defect (e.g., dislocation and micropipe) density silicon carbide (SiC) is provided as well as an apparatus and method for growing the same. The SiC crystal, grown using sublimation...
|
|
|
6524385 |
Single crystal SiC composite material for producing a semiconductor device, and a method of producing the same
In a single crystal SiC composite material for producing a semiconductor device, and a method of producing the same according to the invention, a single crystal SiC film which is produced on an Si...
|
|
|
6514395 |
Nanostructure-based high energy capacity material
A nanostructure based material is capable of accepting-and reacting with an alkali metal such as lithium. The material exhibits a reversible capacity ranging from at least approximately 900...
|
|
|
6491888 |
pH control method of reducing nitrogen oxides emission
The invention relates to a process for the selective recovery of olefins from a mixture of gases by: a) bringing a gaseous mixture having olefins and hydrogen into contact with silver nitrate...
|
|
|
6471931 |
Process for recycling spent pot liner
The process includes the steps of combining silica with the spent pot liner in order to convert a majority of the spent pot liner into silicon carbide. Specifically, the silica reacts with carbon...
|
|
|
6436361 |
Silicon carbide and process for its production
Silicon carbide having a resistivity of from 10 3 to 10 6 Ω·cm and a powder X-ray diffraction peak intensity ratio of at least 0.005 as represented by I d1 /I d2 where I d1 is the peak...
|
|
|
6403155 |
High purity, siliconized silicon carbide having high thermal shock resistance
This invention is a high strength, thermal shock resistant, high purity siliconized silicon carbide material made from siliconizing a converted graphite SiC body having at least 71 vol % silicon...
|
|
|
6395245 |
Method for preparing carbon-containing composition
A method for preparing a carbon-containing composition is disclosed which comprises the steps of introducing, into a hot gas, a dispersion obtained by dispersing, in a decomposable carbon compound,...
|