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| Number | Title | Issue Date |
| 7815882 | Method and apparatus for refining boron-containing silicon using an electron beam In a refining method for boron-containing silicon, boron-containing silicon is irradiated with an electron beam in a vacuum vessel to melt the boron-containing silicon. A boron compound-forming substance is introduced into the vacuum vessel, and boron contained in t... | 10/19/2010 |
| 7397048 | Technique for boron implantation A technique for boron implantation is disclosed. In one particular exemplary embodiment, the technique may be realized by an apparatus for boron implantation. The apparatus may comprise a reaction chamber. The apparatus may also comprise a source of pentaborane coup... | 07/08/2008 |
| 7378376 | Gallium-based superconducting composite The invention provides a superconductor comprising particles made of a superconductive material, and a conductive material. The conductive material is selected to be driven to a superconductive state when in proximity to the superconductive material, and preferably ... | 05/27/2008 |
| 7338921 | MgB2 superconductor and method for preparation thereof An electrode is steeped in a solution of Mg and B and a negative voltage is applied to the electrode so as to precipitate superconductive MgB2 on the electrode. Superconductive MgB2 is easily manufactured in various forms and at low costs witho... | 03/04/2008 |
| 7294606 | Substrate and method for the formation of continuous magnesium diboride and doped magnesium diboride wire A chemically doped boron coating is applied by chemical vapor deposition to a silicon carbide fiber and the coated fiber then is exposed to magnesium vapor to convert the doped boron to doped magnesium diboride and a resultant superconductor. ... | 11/13/2007 |
| 7267808 | Aluminum nitride powder, method for producing the same and use thereof The present invention is to produce an aluminum nitride powder which is turned into a sintered body at a temperature of not more than 1600° C., thereby obtaining a sintered aluminum nitride in which the density and thermal conductivity are high and which can be pro... | 09/11/2007 |
| 7244376 | Hexaboride particles, hexaboride particle dispersion, and article making use of hexaboride particles or hexaboride particle dispersion In hexaboride particles having particles of a hexaboride of at least one element (X) selected from Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sr and Ca, or a dispersion of such particles, the surfaces of the hexaboride particles have physically been ... | 07/17/2007 |
| 7226894 | Superconducting wire, method of manufacture thereof and the articles derived therefrom Disclosed herein is method for making a wire comprising contacting a first end of a first superconducting wire with a second end of a second superconducting wire, wherein the superconducting wire comprises a superconducting filament having a superconducting composit... | 06/05/2007 |
| 7138098 | Preparation of nanocrystallites A method of manufacturing a nanocrystallite from a M-containing salt forms a nanocrystallite. The nanocrystallite can be a member of a population of nanocrystallites having a narrow size distribution and can include one or more semiconductor materials. Semiconductin... | 11/21/2006 |
| 7105033 | Hydrogen gas generation system A system for generating hydrogen gas utilizes a volume exchange housing for the storage of a fuel material that reacts to generate hydrogen gas and a hydrogen separation chamber. The system includes a gas permeable membrane or membranes that allow hydrogen gas to pa... | 09/12/2006 |
| 7063821 | Apparatus for production of molybdenum carbide Apparatus for producing molybdenum carbide from a precursor material includes a supply of process gas and a furnace defining at least a first heating zone and a second heating zone. The furnace heats the first heating zone to a first temperature and the second heati... | 06/20/2006 |
| 6967011 | Method for synthesizing extremely high-temperature melting materials The invention relates to a method of synthesizing high-temperature melting materials. More specifically the invention relates to a containerless method of synthesizing very high temperature melting materials such as borides, carbides and transition-metal, lanthanide... | 11/22/2005 |
| 6953770 | MgB2—based superconductor with high critical current density, and method for manufacturing the same The present invention relates to an MgB2-based superconductor that is easy to manufacture and well suited to mass production, and that exhibits excellent superconducting characteristics (such as a high critical current density) while still retaining the h... | 10/11/2005 |
| 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 compound of the non-metal constituent are introduced into a liquid alk... | 03/01/2005 |
| 6630427 | Superconducting Mg-MgB2 and related metal composites and methods of preparation Superconducting phases comprising magnesium diboride related composites and methods of preparation.... | 10/07/2003 |
| 6627118 | Ni alloy particles and method for producing same, and anisotropic conductive film A crystalline Ni alloy particle for an anisotropic conductive film comprising Ni and a metalloid element such as P, B, etc. and having a structure in which a Ni intermetallic compound phase is precipitated can be produced by preparing substantially amorph... | 09/30/2003 |
| 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 the ceramic. Thus, electrifying of a bearing ball is prev... | 07/08/2003 |
| 6511943 | Synthesis of magnesium diboride by magnesium vapor infiltration process (MVIP) A process of preparing superconducting magnesium diboride powder by heating an admixture of solid magnesium and amorphous boron powder or pellet under an inert atmosphere in a Mg:B ratio of greater than about 0.6:1 at temperatures and for time sufficient ... | 01/28/2003 |
| 6306736 | Process for forming shaped group III-V semiconductor nanocrystals, and product formed using process A process for the formation of shaped Group III-V semiconductor nanocrystals comprises contacting the semiconductor nanocrystal precursors with a liquid media comprising a binary mixture of phosphorus-containing organic surfactants capable of promoting th... | 10/23/2001 |
| 6254940 | Electrically assisted synthesis of particles and film with precisely controlled characteristic The present invention related to methods of manufacturing oxide, nitride, carbide, and boride powders and other ceramic, organic, metallic, carbon and alloy powders and films and their mixtures having well-controlled size and crystallinity characteristics... | 07/03/2001 |
| 6225198 | Process for forming shaped group II-VI semiconductor nanocrystals, and product formed using process A process for the formation of shaped Group II-VI semiconductor nanocrystals comprises contacting the semiconductor nanocrystal precursors with a liquid media comprising a binary mixture of phosphorus-containing organic surfactants capable of promoting th... | 05/01/2001 |
| 6120784 | Anti-bacterial/anti-viral coatings, coating process and parameters thereof The invention relates to a method of imparting anti-pathogenic properties to a substrate material comprising: (a) preparing a coating composition containing an anti-pathogenic agent consisting essentially of PVP-I and N-9 in a ratio of from about 100:0 to... | 09/19/2000 |
| 5861132 | Vapor phase flame process for making ceramic particles using a corona discharge electric field A gas phase process for the production of titanium dioxide powders having well-controlled crystalline and surface area characteristics is disclosed. In this process, which is preferably carried out in a laminar diffusion flame reactor, vapor phase TiCl | 01/19/1999 |
| 5858079 | Strontium borate pigment composition, method of making same, and processes of imparting anti-corrosive, anti-bacterial/anti-fungal and non-flammable properties to materials by using same The present invention provides a strontium borate pigment composition comprising particles of a strontium borate represented by the general formula (1): SrO. O3.γH.sub.2 O (1) (wherein O | 01/12/1999 |
| 5851507 | Integrated thermal process for the continuous synthesis of nanoscale powders A continuous process that produces nanoscale powders from different types of precursor material by evaporating the material and quenching the vaporized phase in a converging-diverging expansion nozzle. The precursor material suspended in a carrier gas is ... | 12/22/1998 |
| 5837165 | Rare earth hexaboride electron-emitting material A rare earth hexaboride electron-emitting material of the formula ReB6+x, wherein Re is La, Ce or (La+Ce) and 0.05ࣘxࣘ0.20.... | 11/17/1998 |
| 5749937 | Fast quench reactor and method A fast quench reaction includes a reactor chamber having a high temperature heating means such as a plasma torch at its inlet and a restrictive convergent-divergent nozzle at its outlet end. Reactants are injected into the reactor chamber. The resulting h... | 05/12/1998 |
| 5505928 | Preparation of III-V semiconductor nanocrystals Nanometer-scale crystals of III-V semiconductors are disclosed, They are prepared by reacting a group III metal source with a group V anion source in a liquid phase at elevated temperature in the presence of a crystallite growth terminator such as pyridin... | 04/09/1996 |
| 5474591 | Method of synthesizing III-V semiconductor nanocrystals The present invention relates, in general, to a method of synthesizing nanocrystals and, in particular, to a method of synthesizing III-V semiconductor nanocrystals in solution at a low temperature and in a high yield. The method comprises the combination... | 12/12/1995 |
| 5472477 | Process for the preparation of finely divided metal and ceramic powders The present invention relates to a process for the preparation of finely divided metal and/or ceramic powders by reacting appropriate metal compounds and appropriate reagents in the gas phase (CVR) chemical vapor reaction, wherein the metal compound(s) an... | 12/05/1995 |
| 5443771 | Ceramic fibre and process therefor A process is described for producing ceramic fibres composed of titanium boride, zirconium boride or hafnium boride. The boride fibres are obtained by reacting a boron oxide precursor fibre with a titanium halide, zirconium halide or hafnium halide gas in... | 08/22/1995 |
| 5338523 | Method of making transition metal carbide and boride powders A process for the production of high purity, high surface area, submicron size transition metal carbides and borides which comprises mixing transition metal oxide with carbon in an amount sufficient to form the corresponding carbide or boride, heating the... | 08/16/1994 |
| 5311103 | Apparatus for the coating of material on a substrate using a microwave or UHF plasma An improved radiofrequency wave apparatus (10) which provides a relatively large diameter (on the order of magnitude 500 millimeters) plasma (56) for the coating of a material on a surface of a substrate (50) is described. The apparatus has a movable stag... | 05/10/1994 |
| 5256394 | Radiological imaging method, and contrast media reagents therefor A method of imaging a corporeal situs by radiological techniques, comprising delivery to the corporeal situs of an imagingly effectively amount of a physiologically acceptable composition comprising a boron reagent. A variety of illustrative boron reagent... | 10/26/1993 |
| 5194128 | Method for manufacturing ultrafine particles A method for the manufacture of ultrafine particles or atom clusters is disclosed. The ultrafine particles of size between about 10 to 1000 Angstroms are formed by the disruption of the crystal lattice or micrograin structure of the metal, alloy or interm... | 03/16/1993 |
| 5183785 | Aluminum borate ceramics and process for producing same The present invention provides an aluminum borate ceramic having a high porosity and a tightly controlled pore size distribution, while maintaining good mechanical strength. The ceramic body can be formed by decomposing boric acid-stabilized aluminum acet... | 02/02/1993 |
| 5176890 | Preparation of rare earth borides The rare earth borides, e.g., the tetraborides and hexaborides of lanthanum, cerium and praseodymium, are directly prepared by heating/reacting a mixture of at least one rare earth chloride and elemental boron at an elevated temperature, e.g., a temperatu... | 01/05/1993 |
| 5174975 | Method of preparing metal carbides, nitrides, borides and the like A process is provided for the preparation of metals, metal carbides, nitrides, borides, silicides, sulfides and phosphides by low temperature pyrolysis of a selected organometallic precursor. The precursor, in addition to containing organic ligands, conta... | 12/29/1992 |
| 5169832 | Synthesis of refractory metal boride powders of predetermined particle size Metal boride powders can be produced with a predetermined particle size by controlling reaction conditions. The metal boride powder is produced by reacting a solid boron source, a metal source and a reductant under conditions sufficient to produce a metal... | 12/08/1992 |
| 5169613 | Method for the preparation of boron nitride using ammonia-monohaloborane The invention relates to the synthesis of ammonia-haloboranes, and in particular, H3 NBH2 Cl, which materials are useful for the produciton of amorphous boron nitride and crystalline turbostratic boron nitride by heating.... | 12/08/1992 |
