Compositions: ceramic inventions 10/08

20080261795 - Frits and obscuration enamels for automotive applications: Frits, obscuration enamel compositions including frits and automotive windshields having obscuration enamel compositions applied thereto are described. According to one or more embodiments, the obscuration enamel composition comprises a paste component and a frit component having Bi2O3, SiO2 and B2O3 and being substantially free of Na2O. In other embodiments, a... Agent: Basf Catalysts LLC

20080261796 - Resistance paste for high-power thick film circuits based on a stainless steel substrate and preparation method thereof: The present invention relates to a resistance paste for a high-power thick film circuit based on a stainless steel substrate and a preparation method thereof The resistance paste disclosed in the present invention demonstrates a low resistivity, excellent insulating performance, superior printing and sintering characteristics, and good compatibility with a... Agent: Byip, Ltd.

20080261797 - Optical glass for press molding and optical element: The optical glass for press molding of the present invention contains 35 to 45% by weight of SiO2, 15 to 30% by weight of B2O3, and 18 to 33% by weight of CaO so that the total amount is 75 to 96% by weight. Also, the glass has an index... Agent: Birch Stewart Kolasch & Birch

20080261798 - Amber glass: A colored glass has a formula of R′20—RO—SiO2, wherein R′ is an alkali metal element and R is an alkaline earth metal element. The colored glass comprises between 0.01 and 1% by weight of molybdenum expressed as MoO3 and between 0.01 and 2.5% by weight of sulfur expressed as SO3.... Agent: Philips Intellectual Property & Standards

20080261799 - Refractory shaped body with increased alkali resistance: The invention relates to a refractory batch and to a process for its production. The batch comprises a refractory metal oxide main component containing Al2O3; the refractory metal oxide main component containing 40 to 60% by weight of Al2O3; a phosphate bond, in particular, the phosphate bond being produced by... Agent: Lackenbach Siegel, LLP

20080261800 - Erosion resistance enhanced quartz used in plasma etch chamber: A method of fabricating doped quartz component is provided herein. In one embodiment, the doped quartz component is a yttrium doped quartz ring configured to support a substrate. In another embodiment, the doped quartz component is a yttrium and aluminum doped cover ring. In yet another embodiment, the doped quartz... Agent: Patterson & Sheridan, LLP - - Appm/tx

20080261795 - Frits and obscuration enamels for automotive applications: Frits, obscuration enamel compositions including frits and automotive windshields having obscuration enamel compositions applied thereto are described. According to one or more embodiments, the obscuration enamel composition comprises a paste component and a frit component having Bi2O3, SiO2 and B2O3 and being substantially free of Na2O. In other embodiments, a... Agent: Basf Catalysts LLC

20080261796 - Resistance paste for high-power thick film circuits based on a stainless steel substrate and preparation method thereof: The present invention relates to a resistance paste for a high-power thick film circuit based on a stainless steel substrate and a preparation method thereof The resistance paste disclosed in the present invention demonstrates a low resistivity, excellent insulating performance, superior printing and sintering characteristics, and good compatibility with a... Agent: Byip, Ltd.

20080261797 - Optical glass for press molding and optical element: The optical glass for press molding of the present invention contains 35 to 45% by weight of SiO2, 15 to 30% by weight of B2O3, and 18 to 33% by weight of CaO so that the total amount is 75 to 96% by weight. Also, the glass has an index... Agent: Birch Stewart Kolasch & Birch

20080261798 - Amber glass: A colored glass has a formula of R′20—RO—SiO2, wherein R′ is an alkali metal element and R is an alkaline earth metal element. The colored glass comprises between 0.01 and 1% by weight of molybdenum expressed as MoO3 and between 0.01 and 2.5% by weight of sulfur expressed as SO3.... Agent: Philips Intellectual Property & Standards

20080261799 - Refractory shaped body with increased alkali resistance: The invention relates to a refractory batch and to a process for its production. The batch comprises a refractory metal oxide main component containing Al2O3; the refractory metal oxide main component containing 40 to 60% by weight of Al2O3; a phosphate bond, in particular, the phosphate bond being produced by... Agent: Lackenbach Siegel, LLP

20080261800 - Erosion resistance enhanced quartz used in plasma etch chamber: A method of fabricating doped quartz component is provided herein. In one embodiment, the doped quartz component is a yttrium doped quartz ring configured to support a substrate. In another embodiment, the doped quartz component is a yttrium and aluminum doped cover ring. In yet another embodiment, the doped quartz... Agent: Patterson & Sheridan, LLP - - Appm/tx

20080254964 - Machineable glass ceramic and manufacturing method thereof: Solution: A machineable glass ceramic comprises a glass matrix having substantially only fluorine phlogopite crystals dispersed therein, wherein an average dimension in the directions of major axes of said fluorine phlogopite crystals is less than 5 μm. The machineable glass ceramic constituted as above is produced by forming and degreasing... Agent: Carrier Blackman And Associates

20080254965 - Glass: Glass has optical constants of a refractive index (nd) of 1.79 or over and an Abbe number (νd) of 27 or over and a specific gravity (D) of 3.20 or over and is free from devitrification in the interior of the glass in a reheat test. The glass has chemical... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080254966 - Optical glass: a

20080254967 - Fired refractory ceramic product and a batch for the production thereof: The invention relates to a fired refractory ceramic product and a batch that can be used to produce said product. Both the batch (the mixture) and the prepared fired product contain spinels consisting of MgO and Al2O3.... Agent: Walker & Jocke, L.p.a.

20080254968 - Dielectric ceramic composition, complex electronic device and multilayer ceramic capacitor: The present invention relates to a dielectric ceramic composition comprising a main component including at least one selected from barium titanate, strontium titanate and calcium titanate, and as a subcomponent, a glass component including an oxide of B, wherein a content of said glass component is 2 to 7 wt... Agent: Oliff & Berridge, PLC

20080248941 - Optical glass: A glass composition being suitable for precision mold press forming, having superior resistance to devitrification, having optical constants (a refractive index, an Abbe number, and the like) required for aspherical lenses, and a low glass transition temperature. There is provided an optical glass comprising no less than 5 mol %... Agent: Squire, Sanders & Dempsey L.L.P.

20080248942 - Porous phosphorous glass compositions: A porous phosphorous glass composition, as calculated in weight percent on an oxide basis, including, for example: about 30-60 SiO2; about 2-25 P2O5; about 0-5 B2O3; about 20-50 Al2O3; about 0.01-20 Na2O; and about 0-20 K2O, the composition having porosity and pore size properties as defined herein. The disclosure also... Agent: Corning Incorporated

20080242527 - Glass composition to be used for manufacturing inorganic fiber, method of manufacturing the same and molded product of inorganic fiber: A glass composition improves the bio-solubility (solubility to physiological salt water), and is suitable for manufacturing inorganic fiber and a molded product of such inorganic fiber. The glass composition to be used for manufacturing inorganic fiber is characterized by containing SiO2 by 52 to 72 wt %, Al2O3 by less... Agent: Stevens Davis LLP

20080242528 - Optical glass and method of producing the same: g

20080242529 - Composite: A ceramic and metal composite and method of manufacture, is provided in which a ceramic phase is mixed with a metal phase to form a composite able to be applied to a substrate or formed to any shape/configuration required. For example, the composite can form, or be applied to a... Agent: Greer, Burns & Crain

20080242530 - Low coefficient of thermal expansion materials including nonstoichiometric cordierite fibers and methods of manufacture: A fibrous ceramic material comprises a plurality of fibers having a RxMg2Al4+xSi5−xO18 or RxMg2−xAl4Si5O18 compositional structure. The fibrous ceramic material is form by combining two or more RxMg2Al4+xSi5−xO18 or RxMg2−xAl4Si5O18 precursors in which at least one of the two or more RxMg2Al4+xSi5−xO18 or RxMg2−xAl4Si5O18 precursors is in fiber form. The... Agent: Geo2 Technologies

20080242531 - Aluminum nitride sintered body and semiconductor manufacturing apparatus member: The aluminum nitride sintered body includes at least europium (Eu), aluminum (Al), and oxygen (O). It was found that a grain boundary phase having a peak having a X-ray diffraction profile substantially the same as that of an Sr3Al2O6 phase could be three-dimensionally continued in the aluminum nitride sintered body... Agent: Burr & Brown

20080242532 - Dielectric ceramics and multi-layer ceramic capacitor: e