Compositions: ceramic inventions 03/06

20060068982 - Glass that withstands high-temperatures for lamp bulbs, and its use: The alumino-silicate glass for lamp bulbs with molybdenum components contains alkaline earth metals and has the following composition (in % by weight based on oxide): SiO2>58 to 62, Al2O3 15 to 17.5, MgO 0.1 to <1, CaO 5.5 to 14, SrO 0 to 8, BaO 6 to 17, ZrO2 0...

20060068983 - Dielectric material: A dielectric material containing at least one of Ca and Sr, Ti, Al, at least one of Nb and Ta, and O, wherein these elements fulfill the following four requirements when represented by a compositional formula, aMlO-bTiO2-(½)cAl2O3-(½)dM22O5 wherein M1 represents the at least one of Ca and Sr; M2 represents...

20060058170 - Low temperature sintering ceramic composition for use in high frequency, method of fabricating the same and electronic component: A low temperature sintering ceramic composition that can be sintered at a temperature equal to or less than 1000° C. and has low dielectric constant and dielectric loss in a high frequency region of 17 Ghz or more, an electronic component using the same and a method of fabricating the...

20060058171 - Optical glass and optical device: An optical glass contains glass constituents by wt % as follows; P2O5: 20 to 30%, B2O3: 0.1 to 10%, Nb2O5: 25 to 45%, WO3: 9 to 25%, Bi2O3; 0.1 to 10%, BaO: 3 to 15%, Li2O: 4 to 5.5%, Na2O: 0 to 2%, K2O: 0 to 2%, Na2O+K2O: 0 to...

20060058172 - Method for manufacturing dp-bioglass composition for use in dental fracture repair: A method for manufacturing the DP-bioglass to use in dental fracture repair via the carbon dioxide laser, the method comprises the steps: mixing and co-dissolving silicon and phosphoric acid raw material into ethanol; sequentially adding nitric acid, calcium and sodium raw material and stirring; standing, drying, triturating and heating the...

20060058173 - Mixture for fabrication of fireproof high-strength spherical granules and the method of their manufacture: The inventive method for producing refractory high-strength spherical granules consists in separately presintering kaolin and bauxite in a rotational furnace, jointly sintering said components in order to produce a charging material, granulating, drying and screening said charging material, sintering said granules in the rotational furnace and screening the sintered granules....

20060052229 - Resistor paste, resistor, and electronic part: A resistor paste comprised of a first glass composition substantially not including lead, a second glass composition substantially not including lead of a composition different from the first glass composition, and a conductive material substantially not including lead mixed with an organic vehicle, further including CuO as an additive in...

20060052230 - Lead-free low softening point glass: Disclosed is a lead-free low softening point glass whose composition lies within the system SnO—P2O5 and containing over 5 to 30 mol % of MnO. The addition of MnO allows the water resistance and coefficient of thermal expansion of the glass to be improved without spoiling its feature of a...

20060052231 - Non-lead glass for forming dielectric, glass ceramic composition for forming dielectric, dielectric, and process for producing laminated dielectric: A non-lead glass for forming a dielectric, which consists essentially of, as represented by mol %, from 20 to 39% of SiO2, from 5 to 35% of B2O3, from 2 to 15% of Al2O3, from 1 to 25% of CaO+SrO, from 5 to 25% of BaO, from 0 to 35%...

20060052232 - Radiopaque cationically polymerizable compositions comprising a radiopacifying filler, and method for polymerizing same: Polymerizable compositions that include: (a) a cationically active functional group; (b) an initiation system capable of initiating cationic polymerization of the cationically active functional group; and (c) a filler composition that includes various radiopacifying fillers in an amount sufficient to render the polymerizable composition radiopaque. Components (a), (b), and (c)...

20060046920 - Silicon carbide sintered product and method for production thereof: A silicon carbide sintered body, wherein the porosity obtained from areas of silicon carbide particles and silicon particles in a sectional polished surface of the silicon carbide sintered body is greater than 15% and less than 30%, when the porosity (%) equals (the area of silicon particles/(the area of silicon...

20060046921 - Dielectric ceramic composition and electronic device: A dielectric ceramic composition having a main ingredient including a dielectric oxide expressed by the formula {(Me1-xCax)O}m.(Zr1-yTiy)O2, where the symbol Me indicating the name of the element in said formula is at least one of Sr, Mg, and Ba and where the symbols m, x, and y indicating the molar...

20060046922 - Dielectric ceramic composition and electronic device: A dielectric ceramic composition, comprising a main component including barium titanate; a first subcomponent including at least one kind selected from MgO, CaO, BaO and SrO; a second subcomponent functioning as a sintering auxiliary agent; a third subcomponent including at least one kind selected from V2O5, MoO3 and WO3; a...

20060046923 - Ceramic electronic device and the production method: A ceramic electronic device including a dielectric layer, wherein the dielectric layer includes a main component expressed by a composition formula of Bam TiO2+m, wherein “m” satisfies 0.995≦m≦1.010 and a ratio of Ba and Ti satisfies 0.995≦Ba/Ti≦1.010, and a subcomponent (a sixth subcomponent) including an oxide of Al; and a...