Assignee: Saint-Gobain Ceramics & Plastics, Inc.

Location: Worcester, MA
No. of patents: 153

Number	Title	Issue Date
8173954	Detector for use in well-logging applications A detector includes a sonde having a housing and comprising a scintillator disposed within the housing and a calibration source coupled to the scintillator to fluoresce the scintillator at a known wavelength of electromagnetic radiation. The detector further include...	05/08/2012
8173099	Method of forming a porous aluminous material An aggregate material includes an aluminous material and a toughening agent in contact with the aluminous material. The aluminous material has a primary aspect ratio of at least about 1.5 and a particle size between about 30 nm and about 1000 nm. ...	05/08/2012
8169767	Boron nitride agglomerated powder and devices comprising the powder Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a feedstock powder including boron nitride agglomerates, and heat trea...	05/01/2012
8164062	Scintillator operation and control A method for reducing scintillator afterglow. Methods for reducing afterglow include conditioning a scintillator by exposing it to high flux densities of ionizing radiation. One technique includes operating an x-ray tube at elevated amperage. ...	04/24/2012
8158952	Scintillation detector and method of assembling and testing A method of assembling a scintillation detector including placing a scintillator crystal in a casing, and forming a sealed casing having a controlled atmosphere different than ambient atmosphere, wherein the controlled atmosphere includes an inert gas and a trace ga...	04/17/2012
8158947	Active voltage divider for detector A voltage divider for supplying a photomultiplier. The voltage divider may include a plurality of active circuits, each of the active circuits configured to establish divided voltage levels at separate ports of a photomultiplier. ...	04/17/2012
8157913	Method of forming a sapphire single crystal Various single crystals are disclosed including sapphire. The single crystals have desirable geometric properties, including a width not less than about 15 cm and the thickness is not less than about 0.5 cm. The single crystal may also have other features, such as a...	04/17/2012
8147724	Tin oxide-based electrode composition A tin oxide-based electrode formed from a composition including a majority component comprising tin-oxide (SnO2), and additives comprising CuO, ZnO, and a resistivity modifying species. The total amount of CuO and ZnO is not greater than about 0.3 wt %, a...	04/03/2012
8143582	Scintillator device A detector includes a scintillator crystal having a front face and a rear face, a backplate disposed proximal to the rear face of the scintillator crystal, and a biasing member disposed proximal to the backplate and applying a biasing force to the backplate. In turn...	03/27/2012
8119707	Treated alumina hydrate material and uses thereof A composite material includes a polymer matrix and a particulate material dispersed within the polymer matrix. The particulate material includes metal oxide coated alumina hydrate. The particulate material has a 500 psi Compaction Volume Ratio of at least about 4.0 ...	02/21/2012
8105135	Polishing slurries A polishing slurry includes liquid medium and particulate abrasive. The particulate abrasive includes soft abrasive particles, hard abrasive particles, and colloidal silica particles, wherein the soft abrasive particles have a Mohs hardness of not greater than 8 and...	01/31/2012
8088355	Transitional alumina particulate materials having controlled morphology and processing for forming same An alumina particulate material is disclosed, including particles comprising transitional alumina having an aspect ratio of not less than 3:1 and an average particle size of not less than about 75 nm. Also disclosed are fabrication techniques based on seeded process...	01/03/2012
8080231	Process for making nanoporous ultrafine alpha-alumina powder The present invention provides nanoporous α-alumina powders comprising powder comprising interconnected α-alumina primary particles having an average particle size of less than about 100 nm and an interpenetrated array of pores or voids. The invention also provide...	12/20/2011
8049175	Scintillator operation and control A method and system for reducing scintillator afterglow. Methods for reducing afterglow include conditioning a scintillator by exposing it to high flux densities of ionizing radiation. One technique includes operating an x-ray tube at elevated amperage. ...	11/01/2011
8039806	Radiation detector device having an electrically conductive optical interface A radiation detector device is disclosed and includes a scintillation device having a scintillator crystal. The radiation detector device also includes a photosensor. Further, the radiation detector device includes an optical interface coupled between the scintillat...	10/18/2011
8025808	Methods for machine ceramics A method for machining a ceramic substrate containing Al, including providing a solution containing a phosphorus compound on the ceramic substrate; and machining the substrate with an abrasive. ...	09/27/2011
8025004	Transparent ceramic composite A ceramic composite and method of making are provided. The ceramic composite is transparent and serves as transparent armor. The composite provides adequate protection from projectiles while exhibiting large surface areas and relatively low areal densities. ...	09/27/2011
8003557	Volume-change resistant silicon oxy-nitride or silicon oxy-nitride and silicon nitride bonded silicon carbide refractory A reaction sintered silicon carbide-based product, including a silicon carbide component, a bond component, wherein the bond component includes silicon oxynitride in excess of any silicon nitride of the bond component, and at least one boron component residual to an...	08/23/2011
8003189	Optical scanning window A scanner window and method of making a scanner window are provided. The window may include three layers. The layers may be a ceramic layer such as sapphire, a glass backing, and an adhesive layer comprising a polymer sheet. The window may be formed by stacking the ...	08/23/2011
7993420	Ceria material and method of forming same A particulate material comprising cerium oxide particles having a secondary particle size distribution in a range of 80 nm to 199 nm and a density of at least 6.6 g/cm3. ...	08/09/2011
7983017	Electrostatic chuck and method of forming A Coulombic electrostatic chuck is disclosed which includes a substrate, a conductive layer overlying the substrate, and an arc elimination layer overlying the conductive layer. The electrostatic chuck further includes a high-k dielectric layer overlying the arc eli...	07/19/2011
7977646	Scintillation detector reflector A scintillation detector and system includes a scintillation crystal having a surface and a reflector surrounding at least a portion of the scintillation crystal. The reflector includes an organic substrate and an inorganic material fixed to the organic substrate, w...	07/12/2011
7977640	Scintillation article including a photomultiplier tube article A scintillation article including a scintillation detector coupled to a photomultiplier tube (PMT) housing, and a PMT assembly disposed within the PMT housing. The scintillation article further includes a cap assembly selectively coupled to the PMT assembly, wherein...	07/12/2011
7976949	High strength ceramic elements and methods for making and using the same One embodiment of the present invention relates to spherical ceramic elements, such as proppants, for maintaining permeability in subterranean formations to facilitate extraction of oil and gas therefrom. The strength of the ceramic element may be enhanced by combin...	07/12/2011
7972196	Methods of crystallographically reorienting single crystal bodies A method of changing the crystallographic orientation of a single crystal body is disclosed that includes the steps of characterizing a crystallographic orientation of the single crystal body and calculating a misorientation angle between a select crystallographic d...	07/05/2011
7966855	Shaped composites and method of making thereof A process of forming a shaped composite material is provided which includes the steps of providing a composite strip having a substantially rigid substrate with a major surface and a polymer overlying the major surface of the substantially rigid substrate. The proce...	06/28/2011
7959732	Apparatus and method for monitoring and controlling crystal growth Apparatus and method for growing a crystal from a melt of a growth material, wherein crystal growth occurs at a solid-liquid interface between the melt and the crystal, and a characteristic of the solid-liquid interface is determined by using a float atop the melt a...	06/14/2011
7959695	Fixed abrasive articles utilizing coated abrasive particles An fixed abrasive article is provided which includes a matrix material and abrasive particles embedded within the matrix material. The abrasive particles have a core-shell structure that includes a polycrystalline alpha alumina core and a shell layer overlying the p...	06/14/2011
7956356	Sapphire substrates and methods of making same A sapphire substrate includes a generally planar surface having a crystallographic orientation selected from the group consisting of a-plane, r-plane, m-plane, and c-plane orientations, and having a nTTV of not greater than about 0.037 μm/cm2, wherein nT...	06/07/2011
7931990	Solid oxide fuel cell having a buffer layer The present disclosure is directed to a fuel cell component having a cathode that includes a lanthanum manganate material as well as channels for receiving a flow of oxygen, and a buffer layer extending along the channels through which oxygen flows. The fuel cell co...	04/26/2011
7923111	Treated alumina hydrate material and uses thereof In a particular embodiment, a particulate material includes alumina hydrate. The particulate material has a 500 psi Compaction Volume Ratio of at least about 4.0 cc/cc. ...	04/12/2011
7919815	Spinel wafers and methods of preparation Wafer suitable for semiconductor deposition application can be fabricated to have low bow, warp, total thickness variation, taper, and total indicated reading properties. The wafers can be fabricated by cutting a boule to produce rough-cut wafers, lapping the rough-...	04/05/2011
7919040	Method of preparing pressureless sintered, highly dense boron carbide materials In a method of preparing a boron carbide material, boron carbide powder is washed with essentially pure water at an elevated temperature to generate washed boron carbide powder. The washed boron carbide powder is combined with a sintering aid. The mixture of the bor...	04/05/2011
7914886	Structural component comprising boron nitride agglomerated powder A novel composite structural component including novel boron nitride agglomerated powders and a matrix is provided having controlled density and fracture strength features. In addition methods for producing the novel boron nitride agglomerated powders are provided. ...	03/29/2011
7884316	Scintillator device A scintillator device is provided that includes a scintillator device having a scintillator crystal and a shock absorbing member surrounding the scintillator crystal. The scintillator device has a detected light output, ((LO100)/(LO0))×100%, o...	02/08/2011
7863369	Pigments and polymer composites formed thereof A composite material includes a polymer matrix and a pigment dispersed in the polymer matrix. The pigment includes an alumina hydrate particulate material and a dye. The dye is covalently bonded to a surface of the alumina hydrate particulate material. ...	01/04/2011
7862013	Packing element for use in a chemical processing apparatus A chemical processing apparatus that utilizes randomly oriented ceramic packing elements having at least three openings therethrough that accommodate feedstock with combustible and/or noncombustible matter that accumulates in the openings is described. The openings ...	01/04/2011
7825062	Catalyst carrier and a process for preparing the catalyst carrier A carrier, which comprises non-platelet alumina and/or a bond material, has a surface area of at least 1.3 m2/g, a total pore volume and a pore size distribution such that at least 80% of the total pore volume is contained in pores with diameters in the r...	11/02/2010
7820974	Scintillation detector and method of making A method of assembling a detector includes conditioning a rare-earth halide scintillator crystal in a sealed container, wherein the conditioning process includes heating the scintillator crystal, reducing the pressure within the sealed container for an evacuation pe...	10/26/2010
D623926	Pendulum round post	09/21/2010

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Assignee: Saint-Gobain Ceramics & Plastics, Inc.