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7625546 |
Precursor compounds of alkaline earth metal or rare earth metal aluminates method production and use thereof particularly as precursors for luminophores
The invention relates to alkaline-earth or rare-earth metal aluminate precursor compounds, to their method of preparation and to their use in particular as phosphor precursors. These alkaline-earth...
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7622189 |
Ceramic nanostructures and methods of fabrication
Structures and methods for the fabrication of ceramic nanostructures. Structures include metal particles, preferably comprising copper, disposed on a ceramic substrate. The structures are heated,...
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7618911 |
Heat-insulating material, production method and use thereof
A heat-insulating material has a first phase with the stoichiometric composition of 0.1 to 10 mol-% M1 2 O 3 , 0.1 to 10 mol-% Li 2 O, and as the remainder M2 2 O 3 with possible impurities. M1 is...
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7615577 |
Highly filled dispersion containing transition aluminium oxide
Aqueous dispersion containing transition aluminium oxide as only solid and a dispersant, in which—the transition aluminium oxide is present in the form of aggregates of primary particles, the...
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7615201 |
Spherical particles of silica-containing compound oxide and method of production
By using a halogen-free siloxane and an organometallic compound containing at least one metal other than silicon as feed stocks, and simultaneously atomizing and burning them in a flame, spherical...
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7605110 |
Ceramic body, ceramic catalyst body and related manufacturing methods
A ceramic body, a ceramic catalyst body, a ceramic catalyst body and related manufacturing methods are disclosed wherein a cordierite porous base material has a surface, formed with acicular...
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7604893 |
Electrolyte matrix, particularly for a molten carbonate fuel cell, and method for the production thereof
Disclosed are an electrolyte matrix, particularly for a molten carbonate fuel cell, comprising a matrix material which contains one or several lithium compounds, aluminum oxide, and a carbide, and...
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7597866 |
Translucent lutetium oxide sinter, and method for manufacturing same
The present invention provides a lutetium oxide sinter to which yttrium is added in an amount of 100 mass ppm to 7000 mass ppm, whose average particle size is from 0.7 to 20 μm, and with which...
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7592281 |
Sintered polycrystalline terbium aluminum garnet and use thereof in magneto-optical devices
A composition is provided that includes a plurality of calcined particles of terbium aluminum oxide having a mean particle domain size of between 30 and 600 nanometers. A translucent article having...
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7576022 |
Aluminum-and magnesium-based molten ceramic grains
Molten ceramic grains are intended, for example, for applications involving abrading tools, having the following average chemical weight composition, expressed in weight percent based on oxide...
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7575815 |
Aluminide coatings
Disclosed herein are aluminide coatings. In one embodiment coatings are used as a barrier coating to protect a metal substrate, such as a steel or a superalloy, from various chemical environments,...
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7575792 |
Honeycomb filter for clarifying exhaust gas and method for manufacture thereof
A honeycomb filter, for removing from exhaust gas fine solid particles containing carbon, is an aluminum magnesium titanate sintered product obtained by firing at from 1000 to 1700° C. a product...
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7566408 |
YAG lasing systems and methods
Lasing systems utilizing YAG and methods for producing a YAG suitable for lasing are provided. The lasing system comprises a laser activator and a laser host material is provided. The laser host...
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7563293 |
Al2O3-rare earth oxide-ZrO2/HfO2 materials, and methods of making and using the same
Al 2 O 3 -rare earth oxide-ZrO 2 /HfO 2 ceramics (including glasses, crystalline ceramics, and glass-ceramics) and methods of making the same. Ceramics according to the present invention can be...
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7556745 |
Sintered compact for thermistor element, process for producing the same, thermistor element and temperature sensor
A sintered body for thermistor element of the invention is a sintered body for thermistor element containing Sr, Y, Mn, Al, Fe, and O, wherein not only respective liquid crystal phases of a...
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7553563 |
Composite material consisting of intermetallic phases and ceramics and production method for said material
The invention concerns a composite material consisting of intermetallic phases and ceramic, in particular in the form of a coating on metallic substrates, as well as an arc wire spraying process...
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7538058 |
Sintered body and electric lamp
The sintered body of gastight translucent polycrystalline alumina contains oxidic magnesium, an oxidic second metal selected from erbium, holmium, thulium and dysprosium, and oxidic zirconium. The...
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7510755 |
Honeycomb structure and method for producing same
There is provided a honeycomb structured body having improved durability in a honeycomb structure body obtained by unitarily bonding a plurality of honeycomb segments. There is provided a honeycomb...
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7510607 |
Coating composition and method for producing the same
A coating composition, a method for producing the coating composition, a coating film and magnetic recording medium are described. The coating composition comprises a binder, a solvent, and an...
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7510585 |
Ceramic materials, abrasive particles, abrasive articles, and methods of making and using the same
Amorphous materials, glass-ceramics and methods of making the same. Embodiments of the invention include abrasive particles. The abrasive particles can be incorporated into a variety of abrasive...
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7507268 |
Al2O3-Y2O3-ZrO2/HfO2 materials, and methods of making and using the same
Al 2 O 3 —Y 2 O 3 —ZrO 2 /HfO 2 ceramics (including glasses, crystalline ceramics, and glass-ceramics) and methods of making the same. Ceramics according to the present invention can be made,...
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7501001 |
Abrasive particles, and methods of making and using the same
Abrasive particles and methods of making the same. Embodiments of the invention can be used to make abrasive particles. The abrasive particles can be incorporated into a variety of abrasive...
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7501000 |
Abrasive particles, abrasive articles, and methods of making and using the same
Abrasive particles comprising alpha alumina particles and methods of making the same. The abrasive particles can be incorporated into a variety of abrasive articles, including bonded abrasives,...
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7473662 |
Metal-doped alumina and layers thereof
A method of forming (and an apparatus for forming) a metal-doped aluminum oxide layer on a substrate, particularly a semiconductor substrate or substrate assembly, using a vapor deposition process.
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7456122 |
Polycrystalline alumina articles
Polycrystalline alumina and methods for manufacturing polycrystalline alumina exhibiting improved transmission in the infrared region. In one embodiment, the percent real in-line transmittance is...
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7450365 |
Electrostatic chuck
The object of the present invention is to provide an electrostatic chuck in which the surface can be kept smooth after being exposed to plasma, so as to protect a material to be clamped such as a...
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7427577 |
Sintered polycrystalline terbium aluminum garnet and use thereof in magneto-optical devices
A composition is provided that includes a plurality of calcined particles of terbium aluminum oxide having a mean particle domain size of between 30 and 600 nanometers. A translucent article having...
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7416793 |
Electrostatic chuck and manufacturing method for the same, and alumina sintered member and manufacturing method for the same
An electrostatic chuck comprises a dielectric ceramic layer made of an alumina sintered body having a volume resistivity equal to or greater than about 1×10 17 Ω·cm at room temperature and a...
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7405173 |
Alumina-titanium oxide-zirconia fused grain
An alumina-titanium oxide-zirconia fused grain presenting, for a total of 100%, the following chemical composition:
Al 2 O 3 : more than 10% and less than 50%; TiO 2 : more than 10% and less...
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7396792 |
Transparent polycrystalline aluminium oxide
The present invention relates to highly dense translucent and transparent aluminium oxide components for applications, e.g. in the lighting industry, where a fine crystal size has to be obtained...
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7387977 |
Alumina-sintered body and associated manufacturing method, and electrostatic chuck and associated manufacturing method
A binder is mixed to alumina powder with a purity of 99.5% or more (step S 11 ), the mixture is granulated (step S 12 ), resultant granule powder is formed with a die (step S 13 ), and a formed...
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7384470 |
Production of ceramic, glass ceramic and other mineral materials and composite materials
An inorganic binder for the production of ceramic, glass ceramic and other mineral materials and composite materials comprises at least one inorganic compound having a mean particle size of <100...
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7371704 |
Sintered bodies of yttrium-aluminum garnet, a method of producing the same and sintering aid therefor
An object of the present invention is to lower the sintering temperature required for a sintered body of yttrium-aluminum garnet, to improve the corrosion resistance of the sintered body and to...
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7304010 |
Aluminum oxide sintered body, and members using same for semiconductor and liquid crystal manufacturing apparatuses
An aluminum oxide sintered body contains aluminum oxide in an amount of not less than 99% by weight and at least one selected from magnesium oxide, calcium oxide and silicon oxide, and contains...
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7297650 |
Method for producing low-loss tunable ceramic composites with improved breakdown strengths
The production of low-loss, tunable composite ceramic materials with improved breakdown strengths is disclosed. The composite materials comprise ferroelectric perovskites such as barium strontium...
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7267889 |
Sprayable composition
The present invention provides a sprayable composition comprising a ceramic particulate including albite, illite, and quart, and a metallic composition, including nickel, chromium, iron, and...
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7253129 |
Rare earth garmet sintered compact
A rare earth garnet sintered compact which is produced by subjecting a rare earth garnet powder such as YAG to a pre-sintering, sintering the pre-sintered product by HIP, and annealing the sintered...
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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...
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7244301 |
Heat generating biocompatible ceramic materials
An injectable heat generating biocompatible ceramic compositions based on hydraulic calcium aluminate, which can be used for therapeutic treatment in vivo, such as tumour treatment, pain control,...
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7211233 |
Method of preparing granules
A method of preparing spherical pellets from a slurry comprising a ceramic powder, a solvent, and any desired additives, by means of a drop-generating orifice to which said slurry is fed is...
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7211153 |
Ceramic joined body, substrate holding structure and substrate processing apparatus
A substrate holding structure having excellent corrosion resistance and airtightness, excellent dimensional accuracy and sufficient durability when mechanical or thermal stress is applied thereto...
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7172984 |
Fuse housing of targeted percentage tetragonal phase zirconia and method of manufacture
A ceramic fuse housing is provided for surface mount circuit protectors, wherein a selectively destructible fuse is at least partially retained within the fuse housing. The fuse housing being...
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7169723 |
Ceramic with improved high temperature electrical properties for use as a spark plug insulator
A ceramic includes alumina in an amount between about 90 and about 99% by weight, a zirconium containing compound in an amount between about 0 and about 1% by weight, and an oxide mixture in an...
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7135426 |
Erosion resistant process chamber components
A substrate processing chamber component demonstrates reduced erosion in an energized gas. The component has a ceramic structure composed of aluminum oxide with a surface exposed to the energized...
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7101820 |
Crystalline compositions of doped aluminum phosphate
The disclosed invention relates to novel crystalline compositions which may be obtained by doping the alpha (α) form of AlPO 4 ceramics, which find use as piezoelectric materials, stable supports...
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7091146 |
Enhanced ceramic material for precision alignment mechanism
Ceramics containing 80 wt % or greater of alumina (Al 2 O 3 ), with Mn, Ti, Fe, Si, Ca and Mg, with Mn—Al spinal (MnO.Al 2 O 3 ) crystals and anorthite crystals (CaO.Al 2 O 3 .2SiO 2 ) generated...
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7090894 |
Bondcoat for the application of TBC's and wear coatings to oxide ceramic matrix
A bond coat composition is provided for applying to the surface of a ceramic composite component between the composite substrate and the thermal barrier coat. The composition includes an alumina...
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7087544 |
Nano-ceramics and method thereof
Disclosed herein is a method to produce ceramic materials utilizing the sol-gel process. The methods enable the preparation of intimate homogeneous dispersions of materials while offering the...
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7060239 |
Quasicrystalline alloys and their use as coatings
The present invention relates to an icosahedral, quasicrystalline compound or compound present in the form of an approximant having the nominal composition: Ti v Cr w Al x Si y O z , in which...
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7056853 |
Oxide ceramic material, ceramic substrate employing the same, ceramic laminate device, and power amplifier module
An oxide ceramic material is provided to contain aluminum oxide as a principal component, and at least one selected from A and B shown below as an auxiliary component:
A: niobium oxide and...
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