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7090722 Acid-reactive dental fillers, compositions, and methods  
Acid-reactive dental fillers, and methods of making and using such fillers, are disclosed. The acid-reactive dental fillers include a trivalent metal, oxygen, fluorine, an alkaline earth metal,...
7087186 Ferroelectric/paraelectric materials, and phase shifter devices, true time delay devices and the like containing same  
Single-phase, non-cubic and single-phase, cubic ferroelectric/paraelectric perovskite-structured materials having reasonably low and fairly temperature insensitive dielectric constants (stable...
7067446 Material demonstrating negative or low thermal expansion coefficient and method for manufacture thereof  
A material having a negative or low thermal expansion coefficient and composed substantially of a single crystal system is provided. The material is an oxide represented by the chemical formula...
7067447 Strain tolerant aggregate material  
A material ( 100 ) formed of a sintered aggregation of ceria particles ( 106 ), mullite particles ( 108 ) and an alumina matrix material ( 110 ). Differential thermal expansion of the ceria and...
7063908 Complex oxides, oxide-ion conductors, oxide-ion conducting films and electrochemical cells  
A complex oxide and an oxide-ion conductor made of the complex oxide are provided. The complex oxide has a basic composition of (Sm 1-x A x )(Al 1-y B y )O 3 , wherein “A” represents at least...
7041366 Porous silicon nitride ceramics and method for producing the same  
The invention provides porous silicon nitride ceramics that having uniform, fine closed pores and a manufacturing method thereof. Metal Si powder is mixed with a sintering additive, followed by...
7022423 Sealed contact bushings  
According to the invention, the inventive sealed contact bushings for plastic components consist of a glass/plastic compound based on a thermoplastic, which contains a low-melting sulphophosphate...
7022636 Ceramic member for semiconductor manufacturing equipment  
There is provided a ceramic member for semiconductor manufacturing equipment which is formed of an alumina-based sinter containing an yttrium-aluminum-garnet at the amount of 3 to 50 wt %, silicon...
7022262 Yttrium aluminum garnet powders and processing  
Methods of producing doped and undoped yttrium aluminum garnet and yttrium aluminum perovskite containing powders and the powders produced thereby are provided. Additionally, methods of forming...
7012036 ZrO2-Al2O3 composite ceramic material and production method thereof  
A ZrO 2 —Al 2 O 3 composite ceramic material having high mechanical strength and toughness as well as excellent wear resistance and hardness is provided. This ceramic material includes a first...
7001679 Protective overlayer for ceramics  
A xenotime phosphate protective overlayer ( 22 ) for protecting a ceramic material ( 24 ) from a high temperature, moisture-containing environment. Yttrium phosphate may be used as a protective...
6998064 Thermal insulating material and method of producing same  
A thermochemically stable oxidic thermal insulating material presenting phase stability, which can be used advantageously as a thermal insulating layer on parts subjected to high thermal stress,...
6930066 Highly defective oxides as sinter resistant thermal barrier coating  
A thermal barrier coating material formed of a highly defective cubic matrix structure having a concentration of a stabilizer sufficiently high that the oxygen vacancies created by the stabilizer...
6916559 Ceramic material resistant to halogen plasma and member utilizing the same  
A member used within a plasma processing apparatus and exposed to a plasma of a halogen gas such as BCl 3 or Cl 2 is formed from a sintered body of metals of Group IIIa of Periodic Table such as...
6916534 Thermal spray spherical particles, and sprayed components  
Spherical particles of a rare earth (inclusive of yttrium)-containing compound and having a breaking strength of 10-300 MPa and an average particle diameter of 10-80 μm are suitable for plasma...
6911251 Composite scintillator material and method of manufacture  
An optically nonisotropic composite material. The composite material includes two materials, a transparent bulk optical material and radiation absorbing or reflecting fibers embedded within the...
6905993 Zirconia based sintered body excellent in durability and wear resistant parts using the same  
The present invention relates to a zirconia based sintered body excellent in durability, characterized in that in Y 2 O 3 -toughened zirconia based sintered body, (a) ZrO 2 contained...
6899827 Inorganic optical taggant and method of making  
Sintered, translucent ceramic microbeads, preferably alumina, titania, zirconia, yttria, zirconium phosphate, or yttrium aluminum garnet (YAG) are doped with one or more optically active species....
6899819 YIG magnetic ceramic composition for microwave application and preparation method thereof  
The present research provides a high-density magnetic ceramic composition for microwave application and a preparation method thereof. The magnetic ceramic composition of this research includes...
6897174 Dielectric material compositions  
A dielectric material composition including a metal oxide represented by a general formula, Y 1−x M 1 x Mn 1−y M 2 y O m . M 1 is Y, Ho, Er, Yb, Tm, or Lu. M 2 is Ti, Zr, V, Mo, Mg, Cu, or...
6888236 Ceramic substrate for manufacture/inspection of semiconductor  
A ceramic substrate for a semiconductor producing/examining device which has high fracture toughness value, excellent thermal shock resistivity, high thermal conductivity and an excellent...
6879106 Dielectric composition and fabrication method of dielectric layer in plasma display panel  
A dielectric composition and a fabrication method for a dielectric layer in a plasma display panel, by which contrast of the plasma display panel can be improved through simple fabrication...
6858173 Nanocrystalline ceramic materials reinforced with single-wall carbon nanotubes  
Composites of ceramic materials, notably alumina or metal oxides in general, with single-wall carbon nanotubes are consolidated by electric field-assisted sintering to achieve a fully dense...
6844285 Transparent polycrystalline yttrium aluminum garnet  
A transparent polycrystalline yttrium aluminum garnet (YAG) ceramic is described wherein the ceramic is colorless and transparent in both as-sintered and post-sinter, air-fired states which makes...
6838405 Plasma-resistant member for semiconductor manufacturing apparatus and method for manufacturing the same  
A plasma-resistant member for a semiconductor manufacturing apparatus, which can reduce the contamination level on a semiconductor wafer. The contents of Fe, Ni, Cr and Cu are made lower than 1.0...
6838404 Metal alkoxides and methods of making same  
A method of making a superconducting structure includes depositing a metal alkoxide on a surface of a metal and hydrolyzing the metal alkoxide on the surface to form a pinhole-free film. The metal...
6835684 Ceramic material and the production thereof  
A ceramic material with a sintering temperature below 1000° C. and a Perovskite Structure with the general stoichiometric composition A′ 1-x-y A″ x B′ 1-a-b B″ a B′″ b O 3 whereby...
6825144 Translucent rare earth oxide sintered article and method for production thereof  
A high-purity rare earth metal oxide material powder of purity of 99.9% or over, of which Al content is 5-100 wtppm in metal weight and Si content is 10 wtppm or under in metal weight, and a binder...
6811719 High-power piezoelectric ceramics  
The disclosed invention relates to piezoelectric rare earth doped Pb(Zr,Ti)O 3 —Pb(Mn,Sb)O 3 compounds including (zPb(Zr w Ti (1−w) )O 3 —(1−z)Pb(Mn 1/3 Sb 2/3 )O 3 +RE x ) where z is...
6803140 Gallate based complex oxide electrolyte material  
A solid electrolyte material contains an A site-deficient complex oxide represented by a chemical formula A 1-α BO 3-δ , in which a B site contains at least Ga. This solid electrolyte material...
6803134 Paraelectric thin film material and method statement of government interest  
A dielectric thin film material and method of preparation in which precursors are provided to form barium strontium titanate with lanthanum (La) added as a dopant. The precursors and La dopant are...
6800204 Composition and process for removing arsenic and selenium from aqueous solution  
The invention is a new composition and process for lanthanum oxide concentrate that is used to significantly reduce arsenic and/or selenium concentration levels in aqueous solutions. The lanthanum...
6773816 Driving glasses  
The invention relates to driving glasses in which a thermic ray reflection layer 2 made of a metal or an organic substance is provided on the outer surface of a glass matrix 1 , and an...
6771140 High-frequency magnetic ceramic and high-frequency circuit component  
A high-frequency magnetic ceramic comprises garnet ferrite represented by the formula A Z B 8-Z O 12 wherein the site A comprises yttrium and the site B comprises iron, where Z is in the range of...
6756137 Vapor-deposition material for the production of high-refractive-index optical layers, and process for the production of the vapor-deposition material  
A vapor-deposition material for the production of high-refractive-index optical layers of titanium oxide, titanium and lanthanum oxide under reduced pressure comprising a sintered mixture having...
6753284 Sintered alumina ceramic, method for producing the same, and cutting tool  
A sintered alumina ceramic obtained by preparing a raw material powder mixture containing alumina and a Group 3A metal oxide or a Group 3A metal compound which provides a Group 3A metal oxide on...
6740262 Light-transmitting sintered body, light-emitting tube and electric discharge lamp using same  
A light-transmitting (fluorescent) sintered body formed of specific substances different from the prior art materials, solving problems that the performance or efficiency, uses and manufacturing...
6727199 Sodium copper titanate compositions containing a rare earth, yttrium or bismuth  
This invention provides compositions of the formula Na 0.5 M 0.5 Cu 3 Ti 4 O 12 wherein M=La—Lu, Y, Bi or mixtures thereof. These compositions have high dielectric constant and low loss over a...
6723674 Multi-component ceramic compositions and method of manufacture thereof  
A microstructured or nanostructured multi-component ceramic comprises (a) a major ceramic phase comprising a ceramic oxide composite; (b) a ceramic oxide additive; and (c) a rare earth ceramic...
6709628 Process for the production of sintered ceramic oxide  
The invention relates to a process for production of a sintered oxide ceramic of composition Ce x M y D z O 2-a with dense structure without open porosity or with a predetermined porosity. The...
6692660 High luminescence phosphor particles and related particle compositions  
Methods for producing metal/metalloid oxide particles comprise rare earth metals herein include reacting a reactant stream in a gas flow. The reactant stream includes a rare earth metal precursor...
6685849 Perovskite materials for high temperature and high performance actuators and transducers  
The present invention is directed to a new family of high Curie temperature, morphotropic phase boundary systems, based on the perovskite solid solution having the general formula (1−x)BiMeO 3...
6677262 Rare earth oxide, basic rare earth carbonate, making method, phosphor, and ceramic  
A rare earth oxide in the form of substantially spherical particles having a Fisher diameter Df of 0.5 μm<Df<2.0 μm and a photomicrography particle diameter De of 0.5 μm<De<2.0 μm...
6673143 Aqueous slurry of rare earth hydroxide particles  
An aqueous slurry of rare earth hydroxide particles which is particularly suitable for use as a sintering aid of a ceramic powder such as silicon nitride. The aqueous slurry, which is characterized...
6669749 Fused abrasive particles, abrasive articles, and methods of making and using the same  
Fused abrasive particles comprising eutectic colonies. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and...
6663843 Method of producing barium-containing composite metal oxide  
A method for producing a barium-containing composite metal oxide, comprising calcining a mixture of a barium compound and a metal compound comprising at least one metal selected from the group...
6649563 Ceramic carrier and ceramic catalyst body  
A ceramic carrier and ceramic catalyst body used as NO x purification catalysts for lean burn engines, which are inexpensive, exhibit high temperature durability and can maintain their catalytic...
6645585 Container for treating with corrosive-gas and plasma and method for manufacturing the same  
There is provided a treatment container which enables to prolong a period of time taken for reaction products, such as a halide generated through reaction with corrosive halide gas, to exfoliate...
6641941 Film of yttria-alumina complex oxide, a method of producing the same, a sprayed film, a corrosion resistant member, and a member effective for reducing particle generation  
The invention provides a film of an yttria-alumina complex oxide having a high peel strength with respect to a substrate. A mixture of powdery yttria and alumina materials is sprayed on a substrate...
6639362 High pressure discharge lamp  
An arc discharge vessel having electrodes disposed therein, a fill within the discharge vessel wherein the arc discharge vessel is comprised of alumina including the following dopants in parts per...