Compositions: ceramic inventions 06/08

20080153688 - Quartz glass body, method and casting mold for manufacturing same: The invention includes an improved quartz glass body, especially an improved quartz glass crucible for melting non-metals, non-ferrous metals, or silicon, and a method and casting mold for making it The quartz glass body is made by a method in which a quartz glass-water mixture is supplied to a casting... Agent: Striker, Striker & Stenby

20080146430 - Low dielectric glass and fiber glass for electronic applications: Glass compositions are provided that are useful in electronic applications, e.g., as reinforcements in printed circuit board substrates. Reduced dielectric constants are provided relative to E-glass, and fiber forming properties are provided that are more commercially practical than D-glass.... Agent: Ppg Industries Inc Intellectual Property Dept

20080146431 - Durable tungsten-doped tin-fluorophosphate glasses: Tungsten-doped tin-fluorophosphate glasses are described herein which exhibit excellent humidity resistance, thermal resistance, and have a low glass transition temperature which makes them suitable for low temperature sealing applications, such as for encapsulating electronic components. In one embodiment, these glasses comprise 55-75% Sn, 4-14% P, 6-24% O, 4-22% F, and... Agent: Corning Incorporated

20080146432 - Method of surface modification for thermal shock resistance and member thereof: A method for improving surface thermal shock resistance of a member made of ceramics to which thermal shock resistance is required comprising, forming homogeneously distributed linear dislocation structure on the surface of the member made of ceramics to which thermal shock resistance is required by blasting abrasives composed of fine... Agent: Hahn & Voight Pllc

20080146433 - Ceramic material product and method of manufacture: A method for producing a ceramic material product. A filler material is provided. The filler material is divided into filler granules collectively having a median diameter approximately 10 microns or less. A pre-selected amount of carbon is provided. The carbon is divided into carbon dust and the carbon dust is... Agent: Pitts And Brittian P C

20080139375 - Glass ceramic panel with a pleasing black decoration applied with a decorative paint: Decorative paints are typically burned in at relatively high temperatures, preferably in connection with the thermal ceramicizing process. In order to provide a glass ceramic panel having a cooking surface with a pleasing deep black, very smooth decoration by a burned-in decorative paint, the glass ceramic panel is formed from... Agent: Striker, Striker & Stenby

20080139376 - Large transmissive optical component: An optical glass for the manufacture of large transmission optics, such as lenses having a thickness of 100 millimeters or more, comprises 35 to 70 wt.-% SiO2, 17 to 35 wt.-% Al2O3, 3 to 17 wt.-% P2O5, 0 to 6 wt.-% Li2O, 0.5 to 4 wt.-% MgO, 0.5 to 3... Agent: Harness, Dickey & Pierce, P.L.C

20080139377 - Sag control of isopipes used in making sheet glass by the fusion process: Isopipes for use in making sheet glass by a fusion process are provided which exhibit reduced sag. The isopipes are composed of a zircon refractory which has a mean creep rate (MCR) at 1180° C. and 250 psi and a 95 percent confidence band (CB) for said mean creep rate... Agent: Corning Incorporated

20080132398 - Process of producing a composite component and intermediate product thereof: A preform architecture and process for producing composite materials, and particularly CMC components. The process entails producing a composite component having a matrix material reinforced with a three-dimensional preform. The process includes producing first and second sets of tows containing filaments. Each tow of the first set has a predetermined... Agent: Hartman And Hartman, P.c.

20080132399 - Phosphotellurite-containing glasses, process for making same and articles comprising same: Disclosed are glass materials generally belonging to the P2O5—ZnO—TeO2 system and process for making the same. The glass may comprise Bi2O3 as well. The high refractive index and low Tg materials are particularly suitable for refractive lens elements for use in portable optical devices. The process involves the use of... Agent: Corning Incorporated

20080132400 - Optical glass and optical element: Provided is an optical glasses that has high refractivity and low dispersion and anomalous partial dispersion capability and that has excellent processability and devitrification resistance and ensures that the occurrence of striae can be inhibited, the optical glass including an optical glass having a refractive index (nd) of 1.54 to... Agent: Nixon & Vanderhye, Pc

20080132401 - Optical glass: An optical glass containing Si, Al, Ca, and O is provided. The optical glass contains Si in an amount of 7% or more and 93% or less, in cation percent, Al in an amount of 2% or more and 57% or less, in cation percent, and Ca in an amount... Agent: Fitzpatrick Cella Harper & Scinto

20080132402 - Optical glass: An optical glass that contains Si, Al, Mg, and O is provided. The optical glass contains Si in an amount of 40% or more and 60% or less, in cation percent, Al in an amount of 10% or more and 35% or less, in cation percent, and Mg in an... Agent: Fitzpatrick Cella Harper & Scinto

20080132403 - Cerium oxide power and process for producing the same: The present invention relates to cerium oxide powder and a process for producing the same. The cerium oxide powder of the invention, which is produced by mixing a cerium source such as cerium oxide, cerium hydroxide and cerium carbonate with an alkali metal compound, as flux, and performing high temperature... Agent: Mckenna Long & Aldridge LLP