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| Number | Title | Issue Date |
| 8039412 | Crystalline composition, device, and associated method A composition including a polycrystalline metal nitride having a number of grains is provided. These grains have a columnar structure with one or more properties such as, an average grain size, a tilt angle, an impurity content, a porosity, a density, and an atomic ... | 10/18/2011 |
| 7833922 | Method of forming aluminum oxynitride material and bodies formed by such methods Methods of forming aluminum oxynitride (AlON) materials include sintering green bodies comprising aluminum orthophosphate or another sacrificial material therein. Such green bodies may comprise aluminum, oxygen, and nitrogen in addition to the aluminum orthophosphat... | 11/16/2010 |
| 7482298 | Superconductor compositions operable at high temperatures The composition of compounds containing a multiplicity of different elements are optimized in general by full or partial substitutions of one or more of the atoms in such compounds so as to effect an Ne/χ value which represents a peak or near peak value in λ (the ... | 01/27/2009 |
| 7427428 | Interphase for ceramic matrix composites reinforced by non-oxide ceramic fibers A ceramic matrix composite material is disclosed having non-oxide ceramic fibers, which are formed in a complex fiber architecture by conventional textile processes; a thin mechanically weak interphase material, which is coated on the fibers; and a non-oxide or oxid... | 09/23/2008 |
| 7414002 | Aluminum oxide-titanium nitride sintered body, manufacturing method thereof, and magnetic head substrate, ultrasonic motor and dynamic pressure bearing using the same The present invention provides an aluminum oxide-titanium nitride sintered body having good resistance to electrostatic damage and small variation in volume resistivity. The aluminum oxide-titanium nitride sintered body is mainly composed of 65 to 85% by weight of a... | 08/19/2008 |
| 7407903 | Material for high temperatures The present invention relates to a material for use at temperatures exceeding 1200° C. and in oxidizing atmospheres consisting generally of an alloy between a metal, aluminium (Al) and carbon (C) or nitrogen (N). The invention is characterized in that the alloy has... | 08/05/2008 |
| 7381681 | Method for increasing the strength of porous ceramic bodies and bodies made therefrom A porous ceramic body having increased strength is formed by exposing a porous ceramic body to a source of boron and heating the porous body to a sufficient temperature in an oxygen containing atmosphere to form the porous ceramic body. The porous ceramic body has a... | 06/03/2008 |
| 7381680 | Method for increasing the strength of porous ceramic bodies and bodies made therefrom A porous ceramic body having increased strength is formed by exposing a porous ceramic body to a source of boron and heating the porous body to a sufficient temperature in an oxygen containing atmosphere to form the porous ceramic body. The porous ceramic body has a... | 06/03/2008 |
| 7368406 | Whisker-reinforced ceramic containing aluminum oxynitride and method of making the same A ceramic body, as well as a method for making the same, wherein the ceramic body contains aluminum oxynitride and whiskers, (and optionally) one or more of titanium carbonitride, and/or alumina, and/or zirconia, and/or other component(s). ... | 05/06/2008 |
| 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 |
| 7326273 | Multi-element ceramic powder and method for preparation thereof, and sintered compact and method for preparation thereof After an alloy powder including W, Cr, at least one of Ti, Zr, and Hf, and at least one of V, Nb, and Ta is produced, the alloy powder, a powdery carbon material, and a catalyst are heat-treated in the presence of a nitrogen gas. The alloy powder is carbonitrided in... | 02/05/2008 |
| 7319079 | Container for evaporation of metal and method to manufacture thereof A refractory container for evaporating metals, having significantly improved useful life and corrosion resistance properties, said container consists essentially of a refractory boride, boron nitride, and about 0.10 to 10 wt. % of a rare earth metal compound selecte... | 01/15/2008 |
| 7300327 | Method for constructing a scotopic after-glow lamp A method for constructing a scotopic after-glow lamp for use in an electric lamp with the scotopic lamp having a lamp wall is provided. The method comprises combining scotopic enhanced phosphors with after-glow phosphors, and layering the combined phosphors on the l... | 11/27/2007 |
| 7285188 | Oxynitride compounds, methods of preparation, and uses thereof Embodiments of the present disclosure provide for methods of transforming from one crystal structure to another crystal structure in TiO2 nanocolloids and TiO2-xNx nanocolloids. ... | 10/23/2007 |
| 7262145 | Whisker-reinforced ceramic containing aluminum oxynitride and method of making the same A ceramic body, as well as a method for making the same, wherein the ceramic body contains aluminum oxynitride and whiskers, (and optionally) one or more of titanium carbonitride, and/or alumina, and/or zirconia, and/or other component(s). ... | 08/28/2007 |
| 7261776 | Deposition of buffer layers on textured metal surfaces A method of making a multilayer article includes depositing a first material on the surface of a metal substrate to form a seed layer of the first material, the first material being deposited under reducing conditions relative to the metal substrate, and then epitax... | 08/28/2007 |
| 7247589 | Transparent polycrystalline sintered ceramic of cubic crystal structure Transparent polycrystalline sintered ceramic of cubic crystal structure. The invention relates to the field of technical ceramic and relates to transparent polycrystalline sintered ceramics of cubic crystal structure for applications with increased mechanical stress... | 07/24/2007 |
| 7247591 | Translucent PCA ceramic, ceramic discharge vessel, and method of making A translucent polycrystalline material suitable for use in ceramic discharge vessels for metal halide lamps is produced by sintering an alumina powder doped with a MgO sintering aid in a nitrogen atmosphere containing a partial pressure of a vapor phase carbon-conta... | 07/24/2007 |
| 7241436 | Methods to partially reduce certain metal oxides and oxygen reduced metal oxides Methods to at least partially reduce valve metal oxides are described wherein the process includes heat treating the valve metal oxide in the presence of a getter material, in an atmosphere which permits the transfer of oxygen atoms from the starting valve metal oxi... | 07/10/2007 |
| 7220397 | Modified oxygen reduced valve metal oxides Pressed material such as anodes are described and formed from oxygen reduced oxide powders using additives, such as binders and/or lubricants. Methods to form the pressed material are also described, such as with the use of atomizing, spray drying, fluid bed process... | 05/22/2007 |
| 7217403 | Method for synthesizing aluminum nitride A method for synthesizing aluminum nitride is disclosed, wherein an ignition agent is formed by mixing an azide powder (such as sodium azide; NaN3) and aluminum powder, and is paved on an ignition portion of a reactant-containing body having a plurality o... | 05/15/2007 |
| 7186392 | Oxynitride compounds, methods of preparation, and uses thereof Oxynitride nanoparticles, methods of preparation thereof, and methods of use thereof are disclosed. One representative oxynitride nanoparticle includes a MxOyNz nanoparticle, where x is in the range of about 1 to 3, y is in the range... | 03/06/2007 |
| 7183604 | High dielectric constant device Dielectric material compositions comprising HfO2 and a second compound are disclosed. The compositions are characterized by at least a part of the compositions being in a cubic crystallographic phase. Further, semiconductor based devices comprising such d... | 02/27/2007 |
| 7175687 | Advanced erosion-corrosion resistant boride cermets A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, ... | 02/13/2007 |
| 7163656 | Method for making dense polycrystalline aluminum oxynitride A dense polycrystalline aluminum oxynitride body is produced. According the method of production, aluminum oxide (alumina) powder and 26 to 40 mole % aluminum nitride powder is mixed to form a very fine powder mixture. The powder mixture is shaped and hot pressed at... | 01/16/2007 |
| 7160503 | Metal matrix composites of aluminum, magnesium and titanium using silicon hexaboride, calcium hexaboride, silicon tetraboride, and calcium tetraboride A metal matrix composite was fabricated by adding particles of calcium hexaboride to a metal of aluminum, magnesium or titanium and their alloys. The resulting metal matrix composite is light weight has improved strength, increased elastic modulus and reduced therma... | 01/09/2007 |
| 7160844 | Proppants and their manufacture Small spheres, commonly referred to as proppants, are manufactured from sol-gel ceramics, preferably aluminosilicates or phosphates, and include chemical composites termed geopolymers. In the preferred manufacturing process, the required chemical components are blen... | 01/09/2007 |
| 7149074 | Methods of making a niobium metal oxide Methods to at least partially reduce a niobium oxide are described wherein the process includes heat treating the niobium oxide in the presence of a getter material and in an atmosphere which permits the transfer of oxygen atoms from the niobium oxide to the getter ... | 12/12/2006 |
| 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 |
| 7108840 | Method for manufacturing nanophase TiC-based composite powders by metallothermic reduction Disclosed herein is a method for economically manufacturing high quality TiC powder, TiCN powder or ultrafine nanophase TiC+Ni (Co, Al) and TiCN+Ni (Co, Al) composite powders by means of metallothermic reduction. The method comprises the steps of preparing a startin... | 09/19/2006 |
| 7071139 | Oxynitride compounds, methods of preparation, and uses thereof Oxynitride nanoparticles, methods of preparation thereof, and methods of use thereof are disclosed. One representative oxynitride nanoparticle includes a MxOyNz nanoparticle, where x is in the range of about 1 to 3, y is in the range... | 07/04/2006 |
| 7056806 | Microfeature workpiece processing apparatus and methods for controlling deposition of materials on microfeature workpieces The present disclosure provides methods and apparatus useful in depositing materials on batches of microfeature workpieces. One implementation provides a method in which a quantity of a first precursor gas is introduced to an enclosure at a first enclosure pressure.... | 06/06/2006 |
| 7045091 | Transient liquid phase reactive sintering of aluminum oxynitride (AlON) A transparent aluminum oxynitride product is produced by a first heat treating step wherein a combination of Al2O3 and AlN at a temperature within the solid-liquid phase and a second step of sintering the heat treated combination at a temperatu... | 05/16/2006 |
| 7015166 | Carbon-containing aluminum nitride sintered compact and ceramic substrate for use in equipment for manufacturing or inspecting semiconductor An objective of the present invention is to provide an aluminum nitride sintered body making it possible to keep a volume resistivity of 108 Ω·cm or more, and guarantee covering-up capability, a large radiant heat amount and measurement accuracy with a ... | 03/21/2006 |
| 6995081 | Systems and methods for forming tantalum silicide layers A method of forming (and apparatus for forming) tantalum suicide layers (including tantalum silicon nitride layers), which are typically useful as diffusion barrier layers, on a substrate by using a vapor deposition process with a tantalum halide precursor compound,... | 02/07/2006 |
| 6964932 | Silicon carbonitride with spinel structure A compound having a space spinel structure and the formula Si3-x Cx N4 wherein 0 | 11/15/2005 |
| 6964812 | Carbon-containing aluminum nitride sintered compact and ceramic substrate for use in equipment for manufacturing or inspecting semiconductor An objective of the present invention is to provide an aluminum nitride sintered body making it possible to keep a volume resistivity of 108 Ω·cm or more, and guarantee covering-up capability, a large radiant heat amount and measurement accuracy with a ... | 11/15/2005 |
| 6962877 | Methods of preventing oxidation of barrier metal of semiconductor devices A method for preventing oxidation of a barrier metal layer of a semiconductor device is disclosed. The method includes the following steps. Ti/Ti(1-x)AlxN is deposited on the bottom and sidewalls of a via hole in a substrate by a plasma chemica... | 11/08/2005 |
| 6938441 | Method and apparatus for heat treatment of glass material and natural materials specifically of volcanic origin A method of heat treatment of glass materials and natural materials specifically of volcanic origin according to which the treated material is exposed to microwave radiation at a frequency range from 1 MHz to 10 GHz and temperature range from the ambient temperature... | 09/06/2005 |
| 6919286 | Aluminum nitride ceramics, members for use in a system for producing semiconductors, and corrosion resistant members An aluminum nitride ceramic is provided, including 0.5 to 10 weight percent of boron atoms and 0.1 to 2.5 weight percent of carbon atoms. The ceramic has a room temperature volume resistivity not lower than 1×1014Ω·cm, and a volume resistivity at 500°... | 07/19/2005 |
