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| Number | Title | Issue Date |
| 7557054 | Boron carbide sintered body and protective member The compressive strength of a boron carbide sintered compact is improved by controlling crystals of the boron carbide to a polycrystalline structure having a grain size distribution in which coarse crystals with a grain size of 20 μm or more and fine crystals with ... | 07/07/2009 |
| 7378362 | Boron carbide based ceramic matrix composites The present invention is a composite material, a process and a product formed by the process. The composite is formed by a process that includes forming a fibrous structure comprising fibers into a preform, coating the fibers of the fibrous structure preform with el... | 05/27/2008 |
| 7368405 | Process of making silicon—silicon carbide ceramic using biopreform, silicon—silicon carbide ceramic obtained thereby The present invention relates to a process of making silicon-silicon carbide ceramic using biopreform derived from monocotyledonous caudex plant stem. The present invention also provides a silicon-silicon carbide ceramic made using a biopreform derived from monocoty... | 05/06/2008 |
| 7359487 | Diamond anode According to one aspect of the invention a robust anode structure and methods of making and using said structure to produce ionizing radiation are disclosed. An ionizing radiation producing layer is bonded to the target side of a highly conductive diamond substrate,... | 04/15/2008 |
| 7348286 | Ceramic composite material and method of its manufacture Ceramic composite material that has excellent mechanical properties within a range from room temperature to high temperature and high die release with respect to glass, resins, ceramics, and similar substances. The ceramic composite material is composed of a ceramic... | 03/25/2008 |
| 7345849 | Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material The magnetic head slider material of the present invention is constituted by a sintered body containing 100 parts by weight of alumina, 20 to 150 parts by weight of titanium carbide and silicon carbide in total, and 0.2 to 9 parts by weight of carbon. ... | 03/18/2008 |
| 7342201 | Silcon carbide element A ceramic heating element arrangement in which a ceramic heating element made of SiC having electrical NTC (negative temperature coefficient) properties is provided for a circuit. At least one segment is provided in the circuit, whose resistance saturates at least q... | 03/11/2008 |
| 7335470 | Compilations of nucleic acids and arrays and methods of using them In one aspect the invention provides compilations of nucleic acids, articles of manufacture, e.g., arrays, and methods for the detection of chromosomal abnormalities, such as a chromosomal aneuploidies, deletions, amplifications, and the like, and the diagnosis or p... | 02/26/2008 |
| 7332221 | Boron carbide composite bodies, and methods for making same A composite body produced by a reactive infiltration process that possesses high mechanical strength, high hardness and high stiffness has applications in such diverse industries as precision equipment and ballistic armor. Specifically, the composite material featur... | 02/19/2008 |
| 7288222 | Method of producing a carbide sintered compact A wet-type compacting method of a ceramic powder using a solvent, wherein the ceramic powder is coated with a high polymer organic substance which is substantially insoluble in the solvent so that homogeneity of a compact is kept, while generating no problem during ... | 10/30/2007 |
| 7276774 | Trench isolation structures for integrated circuits A dielectric film is formed by atomic layer deposition to conformally fill a narrow, deep trench for device isolation. The method of the illustrated embodiments includes alternately pulsing vapor-phase reactants in a string of cycles, where each cycle deposits no mo... | 10/02/2007 |
| 7276117 | Method of forming semi-insulating silicon carbide single crystal Embodiments related to a method of forming semi-insulating silicon carbide (SiC) single crystal are disclosed in which shallow donor levels originating, at least in part, from residual nitrogen impurities are compensated by the addition of one or more trivalent elem... | 10/02/2007 |
| 7235506 | Silicon carbide matrix composite material, process for producing the same and process for producing part of silicon carbide matrix composite material Silicon carbide matrix composite material (1) comprises silicon carbide matrix (2) as a host. The silicon carbide matrix (2) comprises first silicon carbide phase (3) of 0.1 to 10 μm average crystal grain diameter and second silicon carb... | 06/26/2007 |
| 7214342 | Method of making a composite silicon carbide A method for manufacturing a silicon carbide composite body and includes the steps of forming a slurry including silicon carbide and a carbonaceous precursor, adding to the slurry composite granules containing a carbonaceous binder and carbon black, drying the slurr... | 05/08/2007 |
| 7204878 | Refractory mixes containing condensed tannin and furfuryl alcohol, and their uses This invention relates to refractory mixes produced by mixing a refractory material with an organic binder and heating to a temperature of typically from about 50° C. to about 100° C. to form a stable composite granulate. The refractor mixes comprise a major amoun... | 04/17/2007 |
| 7201789 | Nanocomposites with activated interfaces prepared by mechanical grinding of magnesium hydrides and use for storing hydrogen The invention concerns a method for preparing a nanocomposite based on magnesium and another element or compound known to absorb hydrogen and hardly miscible when ground with magnesium or its hydride, such as vanadium, titanium or niobium. The method is characterise... | 04/10/2007 |
| 7197972 | Boron carbide composite bodies, and methods for making same A composite body produced by a reactive infiltration process that possesses high mechanical strength, high hardness and high stiffness has applications in such diverse industries as precision equipment and ballistic armor. Specifically, the composite material featur... | 04/03/2007 |
| 7195722 | Compositions for ceramic igniters Ceramic igniter compositions are provided that contain components of conductive material and insulating material, where the insulating material component includes a relatively high concentration of metal oxide. Ceramic igniters of the invention are particularly effe... | 03/27/2007 |
| 7166550 | Ceramic composite body of silicon carbide/boron nitride/carbon A ceramic composite body comprising sintered silicon carbide as major phase, dispersed boron nitride/carbon granules as minor phase, and the boron nitride/carbon granules comprise hexagonal phase boron nitride powders bonded together by glassy carbon. The composite ... | 01/23/2007 |
| 7166523 | Silicon carbide and method of manufacturing the same In a method of manufacturing a silicon carbide substance, such as a film, a layer, a semiconductor, which is doped with an impurity, a carbonization process is executed after formation of a doped silicon substance which is obtained by carrying out a silicon depositi... | 01/23/2007 |
| 7163650 | Process for producing ceramic bearing components A process for producing ceramic bearing components in which a material mixture is produced from an organometallic compound as a preceramic precursor and from silicon in element form or in the form of an alloy as a chemically reactive filler. The material mixture is ... | 01/16/2007 |
| 7150850 | Process for producing silicon carbide sinter jig The present invention provides a sintered silicon carbide jig production method capable of simply increasing the purity of a sintered silicon carbide jig. A method of producing a sintered silicon carbide jig comprising a process in which a second sintered body is he... | 12/19/2006 |
| 7128528 | Bearings for COrefrigerant compressor use, compressor using the same, and applications of the same The object of the present invention is to provide: high-reliability and long-life CO2 refrigerant compressor-use bearings that uses bearing materials high in wear resistance and in baking resistance, and; such a compressor, air conditioner, refrigerator, ... | 10/31/2006 |
| 7128962 | Metallic material that can be worn away by abrasion; parts, casings, and a process for producing said material A material that can be worn away by abrasion, and a method of making the same, includes a substantially oxide free metal alloy based on nickel or cobalt or a ceramic. The material further includes at least one of particles of solid lubricant, closed pores, or surfac... | 10/31/2006 |
| 7112549 | Low thermal expansion ceramic and member for exposure system A low-thermal-expansion, rigid and wear-resistant ceramic is provided. The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group consisting of cordierite, spodumene and eucryptite and 0.1 vol % to 40 v... | 09/26/2006 |
| 7101794 | Coated semiconductor wafer, and process and device for producing the semiconductor wafer A susceptor for a semiconductor wafer to be placed on during deposition of a layer on a front surface of the semiconductor wafer by chemical vapor deposition (CVD), has a gas-permeable structure with a porosity of at least 15% and a density of from 0.5 to 1.5 g/cm | 09/05/2006 |
| 7097922 | Multi-layered superhard nanocomposite coatings Superhard nanocomposite coatings which are applicable to coating contact surfaces on substrates in a variety of industrial processes are disclosed. In a typical embodiment, the superhard nanocomposite coating includes a refractory metal silicon nitride coating layer... | 08/29/2006 |
| 7060641 | Diamond-silicon carbide composite Fully dense, diamond-silicon carbide composites are prepared from ball-milled microcrystalline diamond/amorphous silicon powder mixture. The ball-milled powder is sintered (P=5–8 GPa, T=1400K–2300K) to form composites having high fracture toughness. A composite ... | 06/13/2006 |
| 7041332 | Modification method of surface layer of molded resin article, and modification apparatus of surface layer of molded resin article An organic compound having an affinity for a resin of a molded resin article and sublimation properties is allowed to penetrate/disperse into the surface of the molded resin article, thereby modifying and/or coloring a resin surface layer. The molded resin article a... | 05/09/2006 |
| 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 are an embodiment in which the above-mentioned silicon source is an a... | 04/18/2006 |
| 7029173 | Thermoelectric component A thermoelectric component includes a first and a second element which, in the vicinity of a contact point, are in contact with each other, e.g., in the form of a thermal contact. Furthermore, in this connection, first element and/or second element have a ceramic ma... | 04/18/2006 |
| 7027304 | Low cost thermal management device or heat sink manufactured from conductive loaded resin-based materials Heat sinks, heat pipes, and other thermal management devices are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and cond... | 04/11/2006 |
| 7022175 | Initial solids mixture for a later organic coating application An initial solids mixture for a later organic coating, such as pigmented coatings, films, priming coats, etc., e.g., for a coil coating method in which an initial solids mixture is applied to a substrate, e.g., broad strip, and this is thereby pre-coated, wherein th... | 04/04/2006 |
| 7022403 | Adhesive composite coating for diamond and diamond-containing materials and method for producing said coating The inventive coating for diamond and diamond-containing materials represents a coupling of an internal layer, made of tungsten carbide, with an external tungsten layer, both layers being fluorine alloyed. The inventive coating makes it possible to ensure a good adh... | 04/04/2006 |
| 7018947 | Low resistivity silicon carbide Free standing articles of chemical vapor deposited silicon carbide with electrical resistivities of less than 0.9 ohm-cm are provided without substantially degrading its thermal conductivity or other properties. ... | 03/28/2006 |
| 7015165 | Graphite loaded silicon carbide and methods for making The invention provides exemplary silicon carbide ceramic bodies and processes for making such ceramic bodies. In one embodiment, a raw batch for producing a ceramic body includes a silicon carbide slurry and agglomerates of particles defining a dry lubricant mixture... | 03/21/2006 |
| 7012035 | Fibre composite ceramic with a high thermal conductivity Material from a fibre composite ceramic, constructed from a) a dense fabric or cluster of three-dimensional oriented fibres with a high thermal conductivity, b) a crystalline matrix of β-silicon carbide, that is produced in a CVI process o... | 03/14/2006 |
| 6953760 | Ceramic component containing inclusions A ceramic component is disclosed, including a sintered ceramic body from a composition comprising a first ceramic material, and a plurality of inclusions in the ceramic body, each inclusion comprising graphite and a second ceramic material. ... | 10/11/2005 |
| 6939821 | Low resistivity silicon carbide An opaque, low resistivity silicon carbide and a method of making the opaque, low resistivity silicon carbide. The opaque, low resistivity silicon carbide is doped with a sufficient amount of nitrogen to provide the desired properties of the silicon carbide. The opa... | 09/06/2005 |
| 6939506 | Diamond-silicon carbide composite and method for preparation thereof Fully dense, diamond-silicon carbide composites are prepared from ball-milled microcrystalline diamond/amorphous silicon powder mixture. The ball-milled powder is sintered (P=5-8 GPa, T=1400K-2300K) to form composites having high fracture toughness. A composite made... | 09/06/2005 |
