Class / Patent application number | Description | Number of patent applications / Date published |
252516000 | Carbide containing | 19 |
20090026424 | HYBRID COMPOSITE INCLUDING CARBON NANOTUBE AND CARBIDE-DERIVED CARBON, ELECTRON EMITTER INCLUDING THE HYBRID COMPOSITE, METHOD OF PREPARING THE ELECTRON EMITTER, AND ELECTRON EMISSION DEVICE INCLUDING THE ELECTRON EMITTER - Hybrid composites including carbon nanotubes and a carbide-derived carbon material, electron emitters including the hybrid composites, methods of preparing the electron emitters, and electron emission devices including the electron emitters are provided. Specifically, a hybrid composite includes at least one carbon nanotube and a carbide-derived carbon material. The carbide-derived carbon material is prepared by thermochemically reacting a carbide compound with a halogen-containing gas to extract substantially all of the elements except for the carbon in the carbide compound. Since the carbon nanotubes and the carbide-derived carbon material are hybridized and composited, a screen effect that may occur when large amounts of carbon nanotubes are used can be prevented, and an electron emitter including the hybrid composite has excellent electron emission capabilities, excellent uniformity, and a long lifetime. | 01-29-2009 |
20090078916 | TANTALUM CARBIDE NITRIDE MATERIALS BY VAPOR DEPOSITION PROCESSES - Embodiments of the invention generally provide compositions of tantalum carbide nitride materials. In one embodiment, a composition of a tantalum carbide nitride material is provided which includes the chemical formula of TaC | 03-26-2009 |
20090121197 | Sintered Material, Sinterable Powder Mixture, Method for Producing Said Material and Use Thereof - The invention relates to a sintered material which is based on transition metal diborides and comprises
| 05-14-2009 |
20090200523 | YTTRIUM OXIDE MATERIAL, MEMBER FOR USE IN SEMICONDUCTOR MANUFACTURING APPARATUS, AND METHOD FOR PRODUCING YTTRIUM OXIDE MATERIAL - A substrate of an electrostatic chuck, which is a member for use in a semiconductor manufacturing apparatus, is formed of an yttrium oxide material that contains yttrium oxide (Y | 08-13-2009 |
20090309074 | VARIABLE IMPEDANCE COMPOSITION - A variable impedance composition according to one aspect of the present invention comprises a high electro-magnetic permeability powder in an amount from 10% to 85% of the weight of the variable impedance composition, and an insulation adhesive in an amount from 10% to 30% of the weight of the variable impedance composition. The incorporation of high electro-magnetic permeability powder including carbonyl metal, such as carbonyl iron or carbonyl nickel, in the variable impedance composition can not only suppress the overstress voltage, but also dampen the transient current. In contrast to the conventional electrostatic discharge (ESD) device, the relatively high electro-magnetic permeability carbonyl metal powder can reduce arcing as well as lower the trigger voltage of the device. The high electro-magnetic permeability characteristics can also absorb the undesirable electro-magnetic radiation that causes corruption of signal and loss of data. | 12-17-2009 |
20100032630 | RECOVERY OF SILICON FROM KERF SILICON WASTE - A process for the recovery of silicon includes providing silicon-containing solids recovered from a silicon manufacturing process, said recovered silicon-containing solids being substantially free of semiconductor dopants; converting the recovered silicon-containing solids into gaseous silicon forms; subjecting to purification by minimal distillation; collecting the gaseous silicon forms as a condensed liquid of silicon-containing compounds; and utilizing the silicon-containing compounds for silicon deposition. | 02-11-2010 |
20100219383 | Boron-Doped Single-Walled Nanotubes(SWCNT) - The present invention generally relates to methods and apparatus for the synthesis or preparation of boron-doped single-walled carbon nanotubes (B-SWCNTs). The invention provides a high yield, single step method for producing large quantities of continuous macroscopic carbon fiber from single-wall carbon nanotubes using inexpensive carbon feedstocks wherein the carbon nanotubes are produced by in situ boron substitutional doping. In one embodiment, the nanotubes disclosed are used, singularly or in multiples, in power transmission cables, in solar cells, in batteries, as antennas, as molecular electronics, as probes and manipulators, and in composites. It is another object of this invention to provide macroscopic carbon fiber made by such a method. | 09-02-2010 |
20100230645 | Thermoelectric Material - A thermoelectric material, which has a superior thermoelectric characteristic and is environment-friendly and is suitable for mass productivity due to the lower cost, is provided. The thermoelectric material is an iron alloy that mainly contains Fe, V and Al and that carbides are dispersed into the matrix, wherein [V concentration−C concentration] is 20 or more at % to 32 or less at % and [Al concentration+Si concentration] is 20 or more at % to 30 or less at %. Especially in the thermoelectric material of the present invention, a high Seebeck coefficient can be kept and a lower electrical resistivity can be obtained, thereby improving an output factor and achieving a superior thermoelectric characteristic. | 09-16-2010 |
20110042627 | THERMISTOR MATERIAL FOR USE IN REDUCING ATMOSPHERE - Provided is a low-cost, highly responsive, and highly durable thermistor material for use in a reducing atmosphere, with which temperature can be measured even under a reducing atmosphere such as a hydrogen gas atmosphere or in a vacuum without the thermistor material being sealed with a glass seal or a metal tube. The thermistor material includes a matrix material made of an insulating ceramic and a non-oxide conductive material, and conductive particles are dispersed around the matrix material to thereby form a conductive path. The conductive particles are preferably dispersed in a network structure around the matrix material. Further, the conductive particles are preferably dispersed discontinuously around the matrix material. | 02-24-2011 |
20110180765 | MONOCRYSTALLINE SILICON CARBIDE INGOT, MONOCRYSTALLINE SILICON CARBIDE WAFER AND METHOD OF MANUFACTURING THE SAME - Provided is a monocrystalline silicon carbide ingot containing a dopant element, wherein a maximum concentration of the dopant element is less than 5×10 | 07-28-2011 |
20110215280 | COMPOSITE NEGATIVE ELECTRODE MATERIALS - Composite particles that include an electrochemically active metal phase, an insulating phase, and a conducting phase are provided that are useful active materials in negative electrodes for lithium-ion electrochemical cells. The electrochemically active phase includes silicon. Lithium-ion electrochemical cells are provided that include the provided composite composite particles as active materials in negative electrodes as well as methods of making the provided composite particles. | 09-08-2011 |
20120025153 | SILICON CARBIDE SINGLE CRYSTAL AND MANUFACTURING METHOD OF THE SAME - A silicon carbide single crystal includes nitrogen as a dopant and aluminum as a dopant. A nitrogen concentration is 2×10 | 02-02-2012 |
20130153836 | METHOD OF PRODUCING SILICON CARBIDE SINGLE CRYSTAL, SILICON CARBIDE SINGLE CRYSTAL, AND SILICON CARBIDE SINGLE CRYSTAL SUBSTRATE - In a powder fabrication step (S | 06-20-2013 |
20140231724 | ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY - An active material for a lithium secondary battery includes an amorphous and metastable phase which contains silicon, oxygen, and more than 30 at % and 80 at % or less of carbon. | 08-21-2014 |
20140374673 | HYBRID SILICON AND CARBON CLATHRATES - A composition comprising a Type 1 clathrate of silicon having a Si | 12-25-2014 |
20140374674 | THERMISTOR MATERIAL FOR A SHORT RANGE OF LOW TEMPERATURE USE AND METHOD OF MANUFACTURING THE SAME - A thermistor material for a short range of low temperature use includes a matrix material composed of nitride-based and/or oxide-based insulating ceramics, conductive particles composed of α-SiC and dispersed in the grain boundary of each crystal grain of the matrix material so as to form an electric conduction path. The thermistor material further contains boron and second conductive particles added thereto, which are composed of a metal or an inorganic compound, having a specific electric resistance value at room temperature lower than that of the α-SiC and a melting point of 1700° C. or more. Such a thermistor material is produced by mixing matrix powder, conductive powder, second conductive powder, boron powder, and a sintering agent as necessary such that a temperature coefficient of resistance (B value) and a specific electric resistance value at room temperature are each within a predetermined range, and molding and sintering the resultant mixture. | 12-25-2014 |
20150069307 | MESOPOROUS METAL OXIDE MICROSPHERE ELECTRODE COMPOSITIONS AND THEIR METHODS OF MAKING - Compositions and methods of making are provided for treated mesoporous metal oxide microspheres electrodes. The compositions include microspheres with an average diameter between about 200 nanometers and about 10 micrometers and mesopores on the surface and interior of the microspheres. The methods of making include forming a mesoporous metal oxide microsphere composition and treating the mesoporous metal oxide microspheres by at least annealing in a reducing atmosphere, doping with an aliovalent element, and coating with a coating composition. | 03-12-2015 |
20160019996 | POLYMER COMPOSITES WITH ELECTROMAGNETIC INTERFERENCE MITIGATION PROPERTIES - Polymer composites that are suitable for use as electromagnetic interference mitigaters include a lossy polymeric matrix, ceramic particles dispersed within the polymeric matrix, and conductive particles dispersed within the polymeric matrix. The lossy polymeric matrix may be a fluorocarbon-based polymer matrix, or an epoxy-based polymer matrix. The ceramic particles may be metal oxide particles, especially copper oxide (CuO) particles. The conductive particles may be carbon black. Other electromagnetic interference mitigating polymer matrices include a lossy polymeric matrix and copper oxide (CuO) particles dispersed within the polymeric matrix. | 01-21-2016 |
20160104551 | YTTRIA BASED CONDUCTIVE PLASMA-RESISTANT MEMBER AND METHODS THEREOF - The present invention discloses a conductive plasma-resistant member including an yttrium oxide. The plasma-resistant member of the present invention includes an yttrium compound which includes a matrix phase consisting of yttrium oxides, and a conductive dispersed phase. According to the present invention, the present invention provides a semiconductor-grade yttria composite which may be used as a plasma-resistant member requiring conductivity like a focus ring. | 04-14-2016 |