Compositions: ceramic inventions 12/06

20060293161 - Microspheres comprising titania and bismuth oxide: The present invention relates to microspheres (i.e., beads) that comprise titania and bismuth oxide. The glass microspheres further comprise zirconia. The invention also relates to retroreflective articles, and in particular pavement markings, comprising such microspheres.... Agent: 3m Innovative Properties Company

20060293162 - Fining of boroalumino silicate glasses: Glasses are disclosed which can be used to produce substrates for flat panel display devices, e.g., active matrix liquid crystal displays (AMLCDs). The glasses have MgO concentrations in the range from 1.0 mole percent to 3.0 mole percent and Σ[RO]/[Al2O3] ratios greater than or equal to 1.00, where [Al2O3] is... Agent: Corning Incorporated

20060293163 - Clear glass composition with high visible transmittance: A high transmittance fairly clear/neutral colored glass composition is provided. An oxidizing agent(s) such as cerium oxide (e.g., CeO2) or the like is added to the glass batch in order to realize very oxidized conditions (i.e., to significantly lower the redox of the resulting glass). As a result of the... Agent: Nixon & Vanderhye, PC

20060293164 - Method for production of a b/n/c/si ceramic from a borazine precursor, ceramics made by said method and use of the ceramic made by said method: B-tris(silylvinyl)borazine is pyrolysed as a borazine precursor for the production of a B/N/C/Si ceramic. A high-temperature ceramic is obtained by means of a further pyrolysis at higher temperatures after a pre-pyrolysis, which is of high purity and essentially free of pores. The ceramic furthermore contains essentially no oxygen and is... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20060293165 - Surface toughening method of ceramics and a ceramics product: A method for improving the toughness of the surface of a ceramics product, characterized in that the ceramics product is substituted to a plastic working wherein a dislocated structure is formed in the sub-surface regions thereof, the structure being in a straight line form and covering uniformly over the whole... Agent: Sherman & Associates

20060293166 - Material for magnetic head slider, magnetic head slider, and method of producing material for magnetic head slider: A material for a magnetic head slider according to the present invention is a magnetic head slider material comprised of a sintered body containing alumina and titanium carbide, in which an area percentage of an area of alumina crystal grains and titanium carbide crystal grains having a crystal grain size... Agent: Oliff & Berridge, PLC

20060293167 - Sintered body, magnetic head slider, and method of manufacturing sintered body: A sintered body for a magnetic head slider, which can reduce differences in level of an air bearing surface while yielding a high strength, a magnetic head slider using the same, and a method of manufacturing a sintered body for a magnetic head slider are provided. The sintered body of... Agent: Oliff & Berridge, PLC

20060293168 - Insulating ceramic composition, insulating ceramic sintered body, and multilayer ceramic electronic component: An insulating ceramic composition forming insulating ceramic layers (3) stacked in a multilayer ceramic substrate (2) used in a monolithic ceramic electronic component, such as a multilayer ceramic module (1). The insulating ceramic composition contains a first ceramic powder mainly containing forsterite, a second ceramic powder mainly containing at least... Agent: Dickstein Shapiro LLP

20060287184 - Glass-ceramic composition, glass-ceramic sintered body, and monolithic ceramic electronic component: A glass-ceramic composition contains first ceramic particles principally containing forsterite; second ceramic particles principally containing at least one selected from the group consisting of calcium titanate, strontium titanate, and titanium oxide; and borosilicate glass particles containing about 3% to 15% lithium oxide, about 20% to 50% magnesium oxide, about 15%... Agent: Dickstein Shapiro LLP

20060287186 - Basalt fiber material: A network former and a glass modifier are formed and maintained by using basalt rock ore, and the crystallization and binding of basalt fiber are inhibited The heat-resistance property of basalt fiber is greatly improved from the conventional 750° C. to 850 or 900° C., and significant cost reduction is... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20060287185 - Glass fibre for the reinforcement of organic and/or inorganic materials, method for production of said glass fibres and corresponding composition: n

20060287188 - Manganese doped barium titanate thin film compositions, capacitors, and methods of making thereof: The present invention is directed to a dielectric thin film composition comprising: (1) one or more barium/titanium-containing selected from (a) barium titanate, (b) any composition that can form barium titanate during firing, and (c) mixtures thereof; dissolved in (2) organic medium; and wherein said thin film composition is doped with... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20060287187 - Translucent ceramics, process for producing the same, optical part and optical apparatus: A translucent ceramic principally contains a composition represented by the formula Ba{Tix1Mx2(Mg1-tZnt)y(Ta1-uNbu)z}vOw, wherein M is at least one selected from the group consisting of Sn, Zr, and Hf; w is a positive number for maintaining the electrical neutrality; x1+x2+y+z=1; 0.015≦x1+x2≦0.90; 0<x1≦0.90; 0≦x2≦0.60; 1.60≦z/y≦2.40; 1.00≦v≦1.05; 0<t<1; and 0≦u≦1. The translucent ceramic... Agent: Dickstein Shapiro LLP

20060281622 - Mineral fibre-based product, device for the production of said fibres and production method thereof: Thermal and/or acoustic insulation product based on mineral fibers, obtained by internal centrifugation and attenuation by a high-temperature gas stream and by crimping, characterized in that it contains no devitrified and/or defiberized particles, the length of the fibers is at most equal to 2 cm, preferably less than 1.5 cm,... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060281623 - Free-formed quartz glass ingots and method for making the same: A method to form quartz glass ingots of ultra low contamination and defect levels by firing a high-purity quartz form as the feedstock, wherein the quartz glass ingot is free-formed on a platen rotating concentrically with the feedstock quartz article.... Agent: Geam - QuartzIPLegal

20060281624 - Mixed dispersants containing paste composition and display device including the same: A paste composition containing a mix of dispersants includes a dispersant containing a hydrophilic moiety having an acidic functional group; a dispersant containing a hydrophilic moiety having a basic functional group; an inorganic particle; and an organic solvent. The paste composition containing the mixed dispersants according to the present invention... Agent: Cantor Colburn, LLP

20060281625 - Sic refractory comprising silicon nitride bond thereto and method for production thereof: The present invention provides a silicon nitride-bonded SiC refractory which contains SiC as a main phase and Si3N4 and/or Si2N2O as a secondary phase and which has a bending strength of 150 to 300 MPa and a bulk density of 2.6 to 2.9, and a method for producing a silicon... Agent: Steptoe & Johnson LLP

20060281626 - Method for manufacturing ceramic structure and the ceramic structure: An aluminum titanate-based ceramic honeycomb structure is manufactured by subjecting a starting raw material of a mixed composition powder containing 45% by mass or more of an aluminum source in terms of Al2O3, where 5% by mass or more of boehmite is contained in the aluminum source, and 30% by... Agent: Oliff & Berridge, PLC

20060281627 - Aluminum titanate ceramic articles and methods of making same: An aluminum titanate ceramic article having a predominant crystal phase of aluminum titanate and a material composition including aluminum, titanium, silica, an alkaline earth metal (e.g., at least one selected from the group of strontium, calcium, barium, or combinations), and a rare earth metal (e.g., at least one selected from... Agent: Corning Incorporated

20060276322 - Glass composition for covering electrodes and glass paste containing the same: A glass composition for covering electrodes of the present invention contains: 0 to 15 wt % SiO2; 10 to 50 wt % B2O3; 15 to 50 wt % ZnO; 0 to 10 wt % Al2O3; 2 to 40 wt % Bi2O3; 0 to 5 wt % MgO; 5 to 38...

20060276323 - Silica glass: A silica glass containing from 3 to 10 mass % of TiO2, which has a coefficient of thermal expansion from 0 to 100° C., i.e. CTE0 to 100, of 0±300 ppb/° C. and an internal transmittance per mm in thickness within a wavelength region of from 200 to 700 nm,...

20060276324 - Silicon nitride compositions: The present invention provides silicon nitride with tungsten carbide additives in a sinterable material comprising silicon nitride and tungsten carbide, in which the silicon nitride content is a minimum of about 80% and wherein the total nitride component is about 28-40 w/w % N2, and further comprising about 1.5-3.5 w/w...

20060276325 - Dielectric ceramic capacitor comprising non-reducible dielectric: e

20060276326 - Method for preparing electroconductive mayenite type compound: To provide a method for preparing a mayenite type compound having electroconductivity imparted. A method for preparing an electroconductive mayenite type compound, which comprises melting a raw material containing Al and at least one element selected from the group consisting of Ca and Sr, holding the melt in a low...