| SAINT-GOBAIN CERAMICS & PLASTICS, INC. Patent applications |
| Patent application number | Title | Published |
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| 20120132823 | RADIATION DETECTION SYSTEM AND METHOD OF ANALYZING AN ELECTRICAL PULSE OUTPUT BY A RADIATION DETECTOR - A radiation detection system can include a photo sensor to receive light from a scintillator via an input and to send an electrical pulse at an output in response to receiving the light. The radiation detection system can also include a pulse analyzer that can determine whether the electrical pulse corresponds to a neutron-induced pulse, based on a ratio of an integral of a particular portion of the electrical pulse to an integral of a combination of a decay portion and a rise portion of the electrical pulse. Each of the integrals can be integrated over time. In a particular embodiment, the pulse analyzer can be configured to compare the ratio with a predetermined value and to identify the electrical pulse as a neutron-induced pulse when the ratio is at least the predetermined value. | 05-31-2012 |
| 20120132815 | RADIATION DETECTION SYSTEM, A RADIATION SENSING UNIT, AND METHODS OF USING THE SAME - A radiation sensing unit for a radiation detection system can include a scintillator and a photosensor optically coupled to the scintillator. In an embodiment, the radiation detection system may provide an output signal to a particular radiation flux that is substantially temperature independent over a normal operating temperature range for the scintillator. The radiation sensing unit may further include a controllable radiation source configured to emit radiation and another photosensor coupled to controllable radiation source. A radiation detection system can include a radiation sensing unit and a control module that is coupled to the controllable radiation source and the photosensors. The control module may control the controllable radiation source and control a power supply coupled to the second photosensor in response to signals from the photosensors. In another aspect, a dynode tap from a photomultiplier tube can be used during calibration. Methods of using the foregoing are disclosed. | 05-31-2012 |
| 20120129068 | SUBSTANTIALLY FLAT SINGLE CELLS FOR SOFC STACKS - A solid oxide fuel cell includes an anode layer, a cathode layer, and an electrolyte layer partitioning the anode layer and the cathode layer. The anode layer and the cathode layer are of about the same thickness and have about the same coefficient of thermal expansion (CTE). | 05-24-2012 |
| 20120126127 | RADIATION DETECTION SYSTEM AND A METHOD OF USING THE SAME - A radiation detection system can include a scintillator that is capable of emitting scintillating light in response to capturing different types of targeted radiation, a photosensor optically coupled to the scintillator, and a control module electrically coupled to the photosensor. The control module can be configured to analyze state information of the radiation detection system, and select a first technique to determine which type of targeted radiation is captured by the scintillator, wherein the first technique is a particular technique of a plurality of techniques to determine which type of targeted radiation was captured by the scintillator, and the selection is based at least in part on the analysis. In an embodiment, the radiation detection system can be used to change from one technique to another in real time or near real time to allow the radiation detection system to respond to changing conditions. | 05-24-2012 |
| 20120114881 | 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. | 05-10-2012 |
| 20120085972 | CERAMIC SCINTILLATOR BODY AND SCINTILLATION DEVICE - A ceramic scintillator body includes a polycrystalline ceramic scintillating material having a substantially cubic crystallographic structure. The polycrystalline ceramic scintillating material has a chemical composition represented by a general formula LU | 04-12-2012 |
| 20120056104 | RADIATION DETECTION SYSTEM INCLUDING AN ARRAY OF SCINTILLATOR ELEMENTS AND PROCESSES OF FORMING THE SAME - A process of forming a radiation detection system can include forming an array of scintillator elements, which can include joining a plurality of pieces including scintillator material together to form an object. A joining region can include the space between the immediately adjacent pieces. The process can also include cutting the object to obtain a portion having a face, wherein cutting is performed such that the portion includes parts of different pieces within the plurality of pieces. The process can further include cutting a groove within the portion, wherein the groove extends from the face and intersects the joining region. The process can include optically coupling the array to a photosensor. A radiation detection system can include an array of scintillator elements wherein a reflective sheet may lie between a pair of scintillator elements and no reflective sheet between another pair of scintillator elements. | 03-08-2012 |
| 20120043458 | RUGGEDIZED TOOL AND DETECTOR DEVICE - A tool comprising a tool body having an opening defined by interior walls extending into the tool body and a casing disposed within the opening. The tool further includes a scintillator material disposed within the casing and a first compressive member disposed within the tool body at a first axial location. The first axial location extends for a fraction of a total axial length of the casing and exerts a first radially compressive force at the first axial location. | 02-23-2012 |
| 20120012787 | CERAMIC SCINTILATOR BODY AND SCINTILLATION DEVICE - A scintillation device includes a ceramic scintillator body that includes a polycrystalline ceramic scintillating material comprising gadolinium. The polycrystalline ceramic scintillating material is characterized by a pyrochlore crystallographic structure. A method of producing a ceramic scintillator body includes preparing a precursor solution including a rare earth element precursor, a hafnium precursor, and an activator (Ac) precursor. The method also includes obtaining a precipitate from the solution and calcining the precipitate to produce a polycrystalline ceramic scintillating material including the rare earth element, hafnium, and the activator, and having a pyrochlore titrating the precursor solution into the precipitant solution structure. | 01-19-2012 |
| 20120009505 | ANISOTROPIC CTE LSM FOR SOFC CATHODE - An anisotropic coefficient of thermal expansion (CTE) cathode of a solid oxide fuel cell (SOFC) is formed by placing a layer of perovskite powder between two platens, and sintering the layer while applying pressure to the platens, thereby forming the anisotropic CTE cathode. The perovskite can be lanthanum strontium manganite (LSM). | 01-12-2012 |
| 20120001074 | CERAMIC SCINTILATOR BODY AND SCINTILLATION DEVICE - A scintillation device includes a free-standing ceramic scintillator body that includes a polycrystalline ceramic scintillating material comprising a rare earth element, wherein the polycrystalline ceramic scintillating material is characterized substantially by a cation-deficient perovskite structure. A method of producing a free-standing ceramic scintillator body includes preparing a precursor solution including a rare earth element precursor, a hafnium precursor and an activator (Ac) precursor, obtaining a precipitate from the solution, and calcining the precipitate to obtain a polycrystalline ceramic scintillating material including a rare earth hafnate doped with the activator and having a cation-deficient perovskite structure. | 01-05-2012 |
| 20110309257 | RADIATION DETECTION SYSTEM INCLUDING A SCINTILLATING MATERIAL AND AN OPTICAL FIBER AND METHOD OF USING THE SAME - A radiation detection system can include optical fibers and a material disposed between the optical fibers. In an embodiment, the material can include a fluid, such as a gas, a liquid, or a non-Newtonian fluid. In another embodiment, the material can include an optical coupling material. In a particular embodiment, the optical coupling material can include a silicone rubber. In still another embodiment, the optical coupling material has a refractive index less than 1.50. In still another embodiment, the radiation detection system can have a greater signal:noise ratio, a light collection efficiency, or both as compared to a conventional radiation detection system. Corresponding methods of use are disclosed that can provide better discrimination between neutrons and gamma radiation. | 12-22-2011 |
| 20110303852 | SCINTILLATOR INCLUDING A SCINTILLATOR PARTICULATE AND A POLYMER MATRIX - A scintillator device includes a polymeric polymer matrix, a neutron sensing particulate material dispersed within the polymer matrix, and a scintillating particulate material dispersed within the polymer matrix. In an embodiment, the neutron sensing particulate material has an average characteristic length of not greater than about 3 microns. The scintillating particulate material has an average characteristic length of at least about 16 microns. In another embodiment, a ratio of the average characteristic length of the scintillating particulate material to the average characteristic length of the neutron sensing particulate material is at least about 55. In a further embodiment, an energy deposited in the scintillating particulate material by a positively charged particle is at least about 1.25 MeV. | 12-15-2011 |
| 20110291014 | RADIATION SENSOR TO DETECT DIFFERENT TARGETED RADIATION AND RADIATION DETECTION SYSTEM INCLUDING THE RADIATION SENSOR - A radiation sensor can include a first layer and a second layer. The first layer can include a first scintillation material to produce first light in response to receiving a first targeted radiation, and the second layer can include a second scintillation material to produce second light in response to receiving a second targeted radiation. The first scintillation material can be different from the second scintillation material, and the first targeted radiation can be different from the second targeted radiation. The first layer can be configured to receive and transmit the second light. In an embodiment, the radiation sensor can be part of a radiation detection system that includes a photosensor that can produce an electronic pulse in response to the first and second lights. A method of detecting radiation can include using the radiation detection system to distinguish different radiations by differences in pulse shape. | 12-01-2011 |
| 20110253290 | PIXELATED SCINTILLATION DETECTOR AND METHOD OF MAKING SAME - A scintillation detector may include a pixelated scintillation crystal mechanically and optically coupled to a position sensitive photodetector, such as a position sensitive photomultiplier tube (PSPMT). The pixelated scintillation crystal may be coupled to the position sensitive photodetector without using a window between the crystal and photodetector. According to one method of constructing the scintillation detector, a solid scintillation crystal may be coupled to the position sensitive photodetector and cut while coupled to the photodetector to form the pixelated scintillation crystal. | 10-20-2011 |
| 20110252714 | 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/cm | 10-20-2011 |
| 20110240866 | 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. | 10-06-2011 |
| 20110227259 | METHODS OF FORMING SINTERED BORON CARBIDE - A method of forming a sintered boron carbide body includes washing boron carbide powder with essentially pure water at an elevated temperature to generate low oxygen boron carbide powder, mixing a sintering aid and a pressing aid with the low oxygen boron carbide powder to form a green mixture, and shaping the green mixture into a green boron carbide body. The method can include mixing titanium carbide powder having an average particle diameter in a range of between about 5 nm and about 100 nm with the low oxygen boron carbide powder. The method can further include sintering the green boron carbide body, and hot isostatic pressing the sintered body, to a density greater than about 98.5% of the theoretical density (TD) of boron carbide. Alternatively, the method can include sintering the shaped boron carbide green body at a temperature greater than about 2,200° C., to thereby form a eutectic liquid solid solution of B | 09-22-2011 |
| 20110200909 | THIN, FINE GRAINED AND FULLY DENSE GLASS-CERAMIC SEAL FOR SOFC STACK - A solid oxide ceramic includes a substrate defining a surface, the substrate including at least one material selected from the group consisting of yttria-stabilized zirconia (YSZ), lanthanum strontium titanate (LST), lanthanum strontium manganite (LSM), and nickel oxide-YSZ composite. The solid oxide ceramic further includes a seal coating at least a portion of the surface, the seal including a Sanbornite (BaO.2SiO | 08-18-2011 |
| 20110192981 | RADIATION DETECTION SYSTEM INCLUDING A PLURALITY OF SCINTILLATORS HAVING DIFFERENT LIGHT YIELDS AND METHOD OF USING THE SAME - A radiation detection system can include a scintillating member including a polymer matrix, a first scintillating material, and a second scintillating material different from the first scintillating material and at least one photosensor coupled to the scintillating member. The radiation detection system can be configured to receive particular radiation at the scintillating member, generate a first light from the first scintillating material and a second light from the second scintillating material in response to receiving the particular radiation, receive the first and second lights at the at least one photosensor, generate a signal at the photosensor, and determine a total effective energy of the particular radiation based at least in part on the signal. Practical applications of the radiation detection system can include identifying a particular isotope present within an object, identifying a particular type of radiation emitted by the object, or locating a source of radiation within the object. | 08-11-2011 |
| 20110159182 | TREATED ALUMINA HYDRATE MATERIAL AND METHODS OF MAKING THE SAME - 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. | 06-30-2011 |
| 20110158880 | ANISOTROPIC CTE LSM FOR SOFC CATHODE - An anisotropic coefficient of thermal expansion (CTE) cathode of a solid oxide fuel cell (SOFC) is formed by placing a layer of perovskite powder between two platens, and sintering the layer while applying pressure to the platens, thereby forming the anisotropic CTE cathode. The perovskite can be lanthanum strontium manganite (LSM). | 06-30-2011 |
| 20110155909 | RADIATION DETECTION SYSTEM AND METHOD OF INDICATING PRESENCE OF RADIATION - A radiation detection system can include a radiation detector to detect radiation and an audio output device to produce audible sounds. The detected radiation can correspond to radiation information including energy information and energy intensity information. In an embodiment, the audio output device can produce an audio spectrum in a scanning mode, and in another embodiment, the audio output device can produce sounds at corresponding sound repetition rates depending on the energy intensity of the detected radiation. A method of using a radiation detection system can include placing an object near a radiation detector, generating a radiation signal corresponding to radiation emitting from the object, and analyzing the radiation signal to generate radiation information including energy information and energy intensity information. The method can also include filtering the radiation information to produce filtered radiation information, and outputting sounds corresponding to the filtered radiation information. | 06-30-2011 |
| 20110155896 | DETECTOR ASSEMBLY FOR A SCINTILLATION ARTICLE - A detector assembly includes a cap assembly configured to close an end of a detector housing that is configured to contain a sensor therein, the cap assembly has a radially expandable member configured to expand radially within the detector housing and lock the position of the cap assembly relative to the detector housing. | 06-30-2011 |
| 20110151192 | ELECTROSTATIC DISSIPATIVE ARTICLES AND METHOD OF MAKING - An electrostatic dissipative (ESD) article includes a body having a volume resistivity within a range between about 10 | 06-23-2011 |
| 20110147064 | BORON NITRIDE AGGLOMERATED 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 treating the feedstock powder to form a heat treated boron nitride agglomerated powder. In one embodiment the feedstock powder has a controlled crystal size. In another, the feedstock powder is derived from a bulk source. | 06-23-2011 |
| 20110139991 | RADIATION DETECTION SYSTEM AND METHOD OF MAKING A RADIATION DETECTION SYSTEM - A radiation detection system can include a first scintillator having a first edge extending between a first surface and a second surface of the first scintillator. The radiation detection system can also include a second scintillator having a second edge extending between a third surface and a fourth surface of the second scintillator. The first edge of the first scintillator can be coupled to the second edge of the second scintillator. In a particular embodiment, a first portion of the first scintillator and a second portion of the second scintillator can both lie along a line that is perpendicular to the first surface of the first scintillator. In another embodiment, an optical coupling material can be coupled between the first edge and the second edge. | 06-16-2011 |
| 20110121187 | SCINTILLATION ARTICLE - According to one embodiment, a scintillation article includes a detector housing having a window cavity and a window disposed within the window cavity. The window cavity defining a window opening at an external surface of the housing that has a greater width than a width of the window, and wherein a surface of the window is directly bonded to an interior surface of the detector housing at a bond joint comprising a diffusion bond region. | 05-26-2011 |
| 20110114848 | SYSTEM AND METHOD FOR IONIZING RADIATION DETECTION - An ionizing radiation detection system can include a self-quenching sensing element having a substantially sealed enclosure containing a plurality of gases. The plurality of gases can include an ionizing gas to ionize in response to receiving a particle of ionizing radiation. The plurality of gases can also include a halogen quenching gas. In a particular embodiment, the plurality of gases can include an oxygen-containing gas in an amount of at least approximately 5% by pressure of a total pressure of the plurality of gases. In another particular embodiment, the partial pressure of the oxygen-containing gas can be from approximately 2666 Pa to approximately 16000 Pa. In another embodiment, the radiation detection system can include an anode having a composition that is more resistant to erosion by gasses within the sensing element. | 05-19-2011 |
| 20110114843 | RADIATION DETECTOR AND METHOD OF USING A RADIATION DETECTOR - A radiation detector can include a scintillating material to produce scintillation light in response to receiving neutrons, gamma radiation, potentially other targeted radiation, or any combination thereof. In a particular embodiment, the detector converts scintillating light to an electrical pulse and analyzes the shape of the electrical pulse to determine whether neutrons, gamma rays, or potentially other targeted radiation are detected. The detector can be configured to distinguish between neutrons and gamma rays. The scintillating material can extend over a length greater than approximately 1.1 meters. In an embodiment, the radiation detector can be used near a passageway to detect radioactive material passing through the passageway. More particularly, the radiation detector can be used to detect the radioactive material within a vehicle passing through the passageway. | 05-19-2011 |
| 20110108733 | SCINTILLATION PIXEL DESIGN AND METHOD OF OPERATION - Scintillation pixels are described that can include a series of ridges formed in the outer surfaces of the pixels. The ridges may be oriented vertically or horizontally and can result in faster scintillators and in scintillators that exhibit a reduction in light spread. | 05-12-2011 |
| 20110095173 | RADIATION DETECTOR AND METHOD OF USING A RADIATION DETECTOR - A radiation detector can include a photosensor to receive light via an input and to send an electrical pulse via an output in response to receiving the light. The radiation detector can also include a pulse analyzer to send an indicator to a pulse counter when the electrical pulse corresponds to a scintillation pulse and to not send the indicator to the pulse counter when the electrical pulse corresponds to a noise pulse. The pulse analyzer can be coupled to the output of the photosensor. A method can include receiving an electrical pulse at a pulse analyzer from an output of a photosensor and determining whether the electrical pulse corresponds to a scintillation pulse or a noise pulse, based on a pulse shape of the electrical pulse. The method can also include sending the electrical pulse to a pulse counter when the electrical pulse corresponds to a scintillation pulse. | 04-28-2011 |
| 20110091700 | MICROELECTRONIC PROCESSING COMPONENT HAVING A CORROSION-RESISTANT LAYER, MICROELECTRONIC WORKPIECE PROCESSING APPARATUS INCORPORATING SAME, AND METHOD OF FORMING AN ARTICLE HAVING THE CORROSION-RESISTANT LAYER - A microelectronic processing component can include a substrate and a corrosion-resistant layer. The substrate can include a metal-containing material, and the corrosion-resistant layer can be adjacent to the surface region. The corrosion-resistant layer can include a first portion and a second portion each including a rare earth compound, wherein the first portion is disposed between the substrate and the second portion, and the first portion has a first porosity, and the second portion has a second porosity that is greater than the first porosity. The component can be component within a processing apparatus used to process microelectronic workpieces. In a particular embodiment, the component can be exposed to the processing conditions as seen by the microelectronic workpiece when fabrication a microelectronic device from the microelectronic workpiece. Methods can be used to achieve the difference in porosity, and such methods can be for articles other than microelectronic processing components. | 04-21-2011 |
| 20110086319 | FUEL GAS IGNITION SYSTEM FOR GAS BURNERS INCLUDING DEVICES AND METHODS RELATED THERETO - Featured is a gas burner ignition system using miniaturized hot surface igniters of various types configurations and material systems: The ignition system includes an electronic microprocessor which controls both the igniter operation and all functions of the ignition system. | 04-14-2011 |
| 20110079726 | System and Method to Detect Target Radiation - A radiation detection system can include a first material to produce a first light in response to receiving a target radiation. The radiation detection system can also include a second material to propagate a second light to a first end of the second material and to a second end of the second material, in response to receiving the first light. The radiation detection system can also include a reflector coupled to the first end of the second material. In an embodiment, the reflector can reflect the second light, so that the reflected second light can be received by a photosensor coupled to a second end of the second material. | 04-07-2011 |
| 20110042571 | Scintillation Detector Assembly - The present disclosure relates to a scintillation assembly. The assembly may include a scintillator having a surface, a pressure sensitive adhesive layer contacting at least a portion of said surface, and a reflector proximal to the scintillator surface and adhered to the scintillator surface by the pressure sensitive adhesive layer, wherein the adhesive layer exhibits a TTV of 0.01 mm or less. | 02-24-2011 |
| 20110001054 | 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 scintillation device and the photosensor. The optical interface is electrically conductive. | 01-06-2011 |
| 20100323124 | SEALED PLASMA COATINGS - A processing device includes a plurality of walls defining an interior space configured to be exposed to plasma and a surface coating on the interior surface of at least one of the plurality of walls. The surface coating includes pores forming interconnected porosity. The processing device further includes a sealant residing in at least a portion of the pores of the surface coating. In an embodiment, the sealant can be a thermally cured sealant having a cure temperature not greater than about 100° C. In another embodiment, the sealant can be an epoxy sealant having a viscosity of not greater than 500 cP in liquid precursor form. In yet another embodiment, the sealant can be a low shrinkage sealant characterized by a solidification shrinkage of not greater than 8%. | 12-23-2010 |
| 20100314531 | SCINTILLATOR AND DETECTOR ASSEMBLY - A detector comprising a photodetector including a single photon avalanche diode (SPAD), wherein the SPAD comprises a wide band-gap semiconductor material, and a quenching circuit electrically coupled to the photodetector comprising a first device, wherein the first device comprises a wide band-gap semiconductor material having a band-gap of at least about 1.7 eV at about 26° C. | 12-16-2010 |
| 20100288933 | 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. | 11-18-2010 |
| 20100282160 | SINGLE CRYSTALS AND METHODS FOR FABRICATING SAME - 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 maximum thickness variation, and as-formed crystals may have a generally symmetrical neck portion, particularly related to the transition from the neck to the main body of the crystal. Methods and for forming such crystals and an apparatus for carrying out the methods are disclosed as well. | 11-11-2010 |
| 20100276601 | 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. | 11-04-2010 |
| 20100248929 | SILICON CARBIDE CERAMIC COMPONENTS HAVING OXIDE LAYER - A ceramic component is provided, including a ceramic body containing silicon carbide, and an oxide layer provided on the ceramic body, the oxide layer being formed by oxidizing the ceramic body in the presence of alumina having a submicron particle size. | 09-30-2010 |
| 20100233880 | CHEMICAL MECHANICAL PLANARIZATION USING NANODIAMOND - A method for chemical mechanical polishing of a substrate includes polishing the substrate at a stock removal rate of greater than about 2.5 Å/min to achieve a Ra of not greater than about 5.0 Å. The substrate can be a III-V substrate or a SiC substrate. The polishing utilizes a chemical mechanical polishing slurry comprising ultra-dispersed diamonds and at least 80 wt % water. | 09-16-2010 |
| 20100210185 | Conductive Hydrocarbon Fluid - The disclosure is directed to a processing fluid including at least 50 wt % of an aliphatic hydrocarbon having an average chain length of 8 to 16 carbons, 0.005 wt % to 10.0 wt % of Lewis active components, and not greater than 1.0 wt % water. The Lewis active components includes a Lewis acid and a Lewis base. The processing fluid has a conductivity of at least 10 nS/m and a Cannon viscosity of about 0.5 cp to about 5 cp at 25° C. | 08-19-2010 |
| 20100193690 | RADIATION DETECTOR DEVICE HAVING A PLURALITY OF BOOT SECTIONS - A scintillation device includes a scintillator body and a plurality of boot sections spaced apart from each other by at least one gap. Each of the plurality of boot sections substantially surrounds a portion of the scintillator body and wherein the plurality of boot sections are characterized by a total length that is less than a length of the scintillator body. | 08-05-2010 |
| 20100183947 | Highly Sinterable Lanthanum Strontium Titanate Interconnects Through Doping - An interconnect material is formed by combining a lanthanum-doped strontium titanate with an aliovalent transition metal to form a precursor composition and sintering the precursor composition to form the interconnect material. The aliovalent transition metal can be an electron-acceptor dopant, such as manganese, cobalt, nickel or iron, or the aliovalent transition metal can be an electron-donor dopant, such as niobium or tungsten. A solid oxide fuel cell, or a strontium titanate varistor, or a strontium titanate capacitor can include the interconnect material that includes a lanthanum-doped strontium titanate that is further doped with an aliovalent transition metal. | 07-22-2010 |
| 20100178589 | Thermal Shock-Tolerant Solid Oxide Fuel Cell Stack - A solid oxide fuel cell (SOFC) includes a plurality of subassemblies. Each subassembly includes at least one subcell of a first electrode, a second electrode and an electrolyte between the first and second electrodes. A first bonding layer is at the second electrode and an interconnect layer is at the first bonding layer distal to the electrolyte. A second bonding layer that is compositionally distinct from the first bonding layer is at the interconnect layer, whereby the interconnect partitions the first and second bonding layers. A method of fabricating a fuel cell assembly includes co-firing at least two subassemblies using a third bonding layer that is microstructurally or compositionally distinct from the second bonding layer. | 07-15-2010 |
| 20100176286 | 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 includes an electromagnetic radiation sensing device coupled to the scintillator and disposed within the housing and a first programmable/re-programmable processing module (PRPM) coupled to the electromagnetic radiation sensing device and disposed within the housing. The PRPM is programmed to process signals from the electromagnetic sensing device based on a user-defined analysis mode selected from the group of modes consisting of filtering, windowing, discriminating, and counting. | 07-15-2010 |
| 20100171039 | DETECTOR ASSEMBLY - A detector made of a detector assembly including a detector housing comprising a reflective interior surface relative to a wavelength of fluoresced electromagnetic radiation, and a scintillator contained within the detector housing. The detector further including a photomultiplier tube (PMT) coupled to the detector housing, wherein a portion of the PMT is contained within the detector housing. | 07-08-2010 |
| 20100167170 | Co-doped YSZ electrolytes for solid oxide fuel cell stacks - A solid oxide fuel cell electrolyte is fabricated by combining an yttria-stabilized zirconia powder with α-Al | 07-01-2010 |
| 20100167164 | SOFC Cathode and Method for Cofired Cells and Stacks - A solid oxide fuel cell includes an anode layer, an electrolyte layer over a surface of the anode layer, and a cathode layer over a surface of the electrolyte layer. The cathode layer includes a cathode bulk layer, a porous cathode functional layer at an electrolyte, an intermediate cathode layer partitioning the cathode bulk layer and the porous cathode functional layer, the porous intermediate cathode layer having a porosity greater than that of the cathode bulk layer. The solid oxide fuel cells can be combined to form subassemblies that are bonded together to form solid oxide fuel cell assemblies. | 07-01-2010 |
| 20100163735 | RARE-EARTH MATERIALS, SCINTILLATOR CRYSTALS, AND RUGGEDIZED SCINTILLATOR DEVICES INCORPORATING SUCH CRYSTALS - A rare-earth halide material comprising a first surface region having a first surface roughness (R | 07-01-2010 |
| 20100159356 | Reduction-Oxidation-Tolerant Electrodes for Solid Oxide Fuel Cells - An anode component of a solid oxide fuel cell is formed by combining a relatively coarse yttria-stabilized-zirconium (YSZ) powder, that is substantially composed of elongated particles, with a relatively fine NiO/YSZ or NiO powder of reduced particle size, whereby, upon sintering the combined powders, the coarse YSZ powder forms a microstructural cage of open porosity wherein the fine powder is distributed through the open porosity of the cage. A method of forming a cathode component includes combining a coarse YSZ powder, that is substantially composed of elongated particles, with a fine lanthanum strontium manganite powder of reduced particle size, whereby, upon sintering the combined powders, the coarse YSZ powder forms a microstructural cage of open porosity, wherein the fine powder is distributed through the open porosity of the cage. | 06-24-2010 |
| 20100155674 | TIN OXIDE-BASED ELECTRODE COMPOSITION - A tin oxide-based electrode formed from a composition including a majority component comprising tin-oxide (SnO | 06-24-2010 |
| 20100155610 | Scintillation Separator - An aspect of the present disclosure relates to a scintillation reflector that may include a specular material having a first and second surface, and a first diffuse material arranged adjacent to the first surface of the specular material and proximal to the scintillator surface. The composite reflector may surround at least a portion of a scintillator surface as provided in scintillation detector. | 06-24-2010 |
| 20100154481 | BUSHING BLOCK - A refractory article including a bushing block having a body comprising an opening extending through the body, wherein the bushing block is formed from a composition comprising a primary component comprising tin oxide. The composition for forming the bushing block body can further include at least one additive selected from the group of additives consisting of a corrosion inhibitor, a sintering aid, and a resistivity modifying species, or a combination thereof. | 06-24-2010 |
| 20100151349 | Uniform Gas Distribution Through Channels of SOFC - A solid oxide fuel cell includes an anode layer, an electrolyte layer over the anode layer, and a cathode layer over the electrolyte layer. At least one of the anode layer and the cathode layer defines a gas manifold. The gas manifold includes a gas inlet, defined by an edge of the anode layer or cathode layer, a gas outlet, defined by the same or a different edge of the anode layer or cathode layer, and a plurality of gas flow channels in fluid communication with the gas inlet and gas outlet. The gas flow channels can have diameters that conduct flow of gas from the gas inlet at substantially equal flow rates among the gas flow channels. | 06-17-2010 |
| 20100151345 | Electrode Gas Channel Supports and Methods for Forming Internal Channels - A solid oxide fuel cell includes an anode layer, an electrolyte layer over the anode layer, and a cathode layer over the electrolyte layer, wherein at least one of the anode layer and the cathode layer defines at least one gas channel, the gas channel containing at least one support structure. The support structure can have a cross-sectional shape of an I-beam, an arch, a tube defining holes along its length, a porous cylinder, or a U-shaped brace. The support structure can be open at a portion of the gas channel most proximate to the electrolyte layer. | 06-17-2010 |
| 20100151160 | APPLICATIONS OF SHAPED NANO ALUMINA HYDRATE IN INKJET PAPER - A paper includes a substrate and a polymer layer disposed over at least one side of the substrate. The paper further includes an aluminous material at least partially dispersed within the polymer layer. The aluminous material has a primary aspect ratio of at least about 1.5, a secondary aspect ratio of not greater than about 3.0, and a primary particle size between about 50 nm and about 1000 nm. | 06-17-2010 |
| 20100148074 | Scintillation Array Method and Apparatus - In one aspect a scintillation array includes a transparent material between portions of adjacent scintillation pixels. The transparent material can allow light to pass from one scintillation pixel to an adjacent scintillation pixel. The resulting image provides information regarding the depth at which a scintillation event occurs. Another aspect regards a scintillation array that includes reflector strips separating portions of adjacent scintillation pixels. Other spaces between portions of scintillation pixels need not include reflector strips and may be filled with other reflective material. | 06-17-2010 |
| 20100141231 | Igniter voltage compensation circuit - Featured is igniter control circuitry that reduces the line voltage to the igniter and which maintains the igniter voltage relatively stable. More particularly, there is featured, a thyristor-based phase control circuit that reduces the RMS voltage being applied to an igniter when it is connected to the AC line or line voltage. The circuitry also is configured so that it opposes changes in line voltage such that the igniter voltage remains relatively stable when the line voltage increases or decreases relative to its nominal level. Such control circuitry includes a dual diac configuration, a relation oscillator configuration and one embodying both dual diac and relation oscillator configurations. | 06-10-2010 |
| 20100116182 | RESISTANCE HEATER BASED AIR HEATING DEVICE - Featured is a resistance heater air heating device that includes a low thermal conductivity enclosure and an electric resistance heater that is disposed within such an enclosure. In more particular embodiments, such an enclosure is configured so as to provide a high surface area which in combination with the heater heats the air passing through the enclosure. In more particular embodiments, the ceramic enclosure is configured and arranged so as to include a through aperture in which is disposed the electric resistance heater and through which the air flows along the length of the through aperture. | 05-13-2010 |
| 20100072398 | METHOD OF FORMING A SCINTILLATOR DEVICE - A method of forming a scintillator device includes inserting a window into a lumen of a window support ring. The window support ring has an annular structure defining the lumen. The lumen extends between first and second ends of the window support ring. The method also includes inserting a scintillator material into a cavity of a housing defined by an annular sidewall of the housing. The housing has an anterior end and a posterior end. The sidewall defines an opening at the anterior end of the housing. The scintillator material is inserted into the cavity via the opening. The method further includes adhering the window to a front face of the scintillator material and coupling the first end of the window support ring to the annular sidewall of the housing at the anterior end to close the opening. | 03-25-2010 |
| 20100062243 | METHOD FOR TREATING SEMICONDUCTOR PROCESSING COMPONENTS AND COMPONENTS FORMED THEREBY - A semiconductor processing component can include SiC, wherein the semiconductor processing component has an impurity ratio less than 34:1. The impurity ratio can be a ratio of a first average impurity concentration to a second impurity level, wherein the first average impurity concentration is an average impurity concentration of a impurity from an exposed surface of the semiconductor processing component to a depth of 0.2 microns from the exposed surface, and the second average impurity concentration is an average impurity concentration of the impurity from a depth of 0.8 microns from the exposed surface to a depth of 1.0 micron from the exposed surface. | 03-11-2010 |
| 20100035747 | PARTIALLY STABILIZED ZIRCONIA MATERIALS - A ceramic material formed from a mixture including between about 50 wt % and about 85 wt % of a first zirconia-based material comprising between about 2 mol % and about 6 mol % yttria and between about 5 wt % and about 50 wt % of a second zirconia-based material comprising not greater than about 1 mol % yttria. The mixture can further include between about 1 wt % and about 10 wt % of an alumina material. | 02-11-2010 |
| 20100032857 | Ceramic components, coated structures and methods for making same - Methods of forming ceramic components are disclosed. One method calls for chemical vapor depositing a ceramic material over a substrate having first and second opposite surfaces to define a coated structure, the ceramic material forming a layer overlying both the first and second opposite surfaces. The layer and the substrate have a difference in thermal expansion coefficients of at least 0.5 ppm/K. The substrate is removed, leaving behind the layer. Ceramic components and coated structures are also disclosed. | 02-11-2010 |
| 20100032577 | RADIATION DETECTOR INCLUDING ELONGATED ELEMENTS - A detector includes a housing defining a cavity; a scintillator material disposed within the cavity and having a front face, a rear face, and a side face; a reflective material disposed between the housing and the side face of the scintillator material; and a tolerance ring disposed between the housing and the reflective material. | 02-11-2010 |
| 20090309030 | 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 upon moving the cap assembly from an assembled position in which the cap assembly is engaged with the housing to an extracted position in which the cap assembly is disengaged and removed from the housing, the cap assembly mechanically engages the PMT assembly and extracts the PMT assembly from the PMT housing. | 12-17-2009 |
| 20090305882 | Articles Comprising Tetragonal Zirconia and Methods of Making the Same - Described is a porous ceramic body comprising zirconia having mesopores incorporated therein and the primary crystalline phase is tetragonal. When used as a carrier for a catalyst, the porous ceramic body has excellent crush resistance and a large total pore volume which results in an increase in the carrier's surface area onto which catalytic material may be deposited. Methods of making the carrier are also disclosed. | 12-10-2009 |
| 20090302224 | Charge Calibrator and System Incorporating the Same - A charge calibrator for simulating the output of a scintillation detector. The calibrator includes a processor for executing a Gaussian random number generator algorithm to produce an output comprising a Gaussian random number distribution having at least one characteristic established in response to a user input. | 12-10-2009 |
| 20090294683 | Curved Scintillation Crystal Array - Partially and completely curved and spherical scintillation arrays are described. These arrays can provide improved imaging of a variety of subjects and objects. | 12-03-2009 |
| 20090294682 | Scintillator and Methods of Making and Using Same - A scintillation array and methods of making and using are provided. The array may be a flexible array that can be arranged into two or more flexible configurations. The array may be positioned around a portion of an object so that the array pixels are equidistant from the center or surface of the object. | 12-03-2009 |
| 20090283688 | 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, the backplate applies a biasing force to the scintillator crystal in a direction toward the front face. The biasing member comprises a single-turn, round-section wire wave spring. | 11-19-2009 |
| 20090283687 | 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 gas in an amount of at least about 1 vol % and not greater than about 30 vol %, wherein the trace gas is selected from the group of materials consisting of hydrogen, helium, neon, krypton, xenon, and carbon monoxide. The assembling method further includes testing the sealed casing for leaks by detecting the presence of the trace gas. | 11-19-2009 |
| 20090278052 | 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 scintillation device and the photosensor. The optical interface is electrically conductive. | 11-12-2009 |
| 20090266990 | RADIATION DETECTOR DEVICE - A radiation detector device is disclosed and includes a photosensor and a scintillation device coupled to the photosensor. The scintillation device includes a scintillator crystal enclosed within a casing. The scintillator crystal is optically coupled to a window at an end of the casing. The scintillation device includes a dielectric gas inside at least part of the casing. The dielectric gas is adapted to reduce or prevent static discharge within the scintillation device. | 10-29-2009 |
| 20090261263 | RADIATION DETECTOR DEVICE - A radiation detector device is disclosed that includes a scintillator including a scintillator crystal and a hybrid photodetector (HPD) coupled to the scintillator. The HPD includes an electron tube having an input window and a photocathode adapted to emit photoelectrons when light passing through the input window strikes the photocathode. Further, the hybrid photodetector includes an electron detector adapted to receive photoelectrons emitted by the photocathode. The electron detector comprises a semiconductor material characterized by a bandgap of at least 2.15 eV. | 10-22-2009 |
| 20090261262 | 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, wherein at least a portion of the inorganic material contacts at least a portion of the crystal surface. | 10-22-2009 |
| 20090261257 | RADIATION DETECTOR DEVICE - A radiation detector device is disclosed that includes a photosensor and a scintillator coupled to the photosensor. The scintillator includes a scintillator crystal having a first end proximal to the photosensor, a second end distal from the photosensor, and a length extending between the proximal end and the distal end. The scintillator also includes a reflector substantially surrounding the scintillator crystal at least along its length. The reflector comprises a fabric that includes a plurality of fibers, each fiber comprising an inorganic material. | 10-22-2009 |
| 20090261253 | 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 period while heating, and flowing a purging gas through the sealed container for a flowing duration while heating. The method further includes assembling a detector comprising the scintillator crystal in an assembly environment comprising an inert gas. | 10-22-2009 |
| 20090236534 | Pixelated Scintillation Detector and Method of Making Same - A scintillation detector may include a pixelated scintillation crystal mechanically and optically coupled to a position sensitive photodetector, such as a position sensitive photomultiplier tube (PSPMT). The pixelated scintillation crystal may be coupled to the position sensitive photodetector without using a window between the crystal and photodetector. According to one method of constructing the scintillation detector, a solid scintillation crystal may be coupled to the position sensitive photodetector and cut while coupled to the photodetector to form the pixelated scintillation crystal. | 09-24-2009 |
| 20090235591 | 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 polycrystalline alpha alumina core. The shell layer includes a material selected from the group consisting of silicon oxide and zirconium oxide. Also the polycrystalline alpha alumina core includes grains and having an average grain size of not greater than about 500 nm. | 09-24-2009 |
| 20090214999 | Ceramic Paddle - A paddle for the production of semiconductor wafers is provided. The paddle can be a cantilever paddle made of a ceramic such as silicon carbide and can be used with round or square wafers, such as photovoltaic wafers. The paddle exhibits excellent deflection and strength characteristics. | 08-27-2009 |
| 20090206069 | Heating element systems - New heating systems are provided that include a mating block element that reliably encases a resistive igniter element. Preferred igniter systems can prevent undesired moisture and other materials from contacting electrical lead portions of the igniter element. | 08-20-2009 |
| 20090199488 | 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/cm | 08-13-2009 |
| 20090189121 | RARE EARTH OXYSULFIDE SCINTILLATOR AND METHODS FOR PRODUCING SAME - A method of producing a rare earth oxysulfide scintillating ceramic body includes heat treatment to form a consolidated body, followed by gas hot isostatic pressing (GHIPing). A powder is first provided having the general formula (M | 07-30-2009 |
| 20090186250 | Bilayer interconnects for solid oxide fuel cells - A solid oxide fuel cell (SOFC) includes a plurality of sub-cells. Each sub-cell includes a first electrode in fluid communication with a source of oxygen gas, a second electrode in fluid communication with a source of a fuel gas, and a solid electrolyte between the first electrode and the second electrode. The SOFC further includes an interconnect between the sub-cells. The interconnect includes a first layer in contact with the first electrode of each sub-cell, and a second layer in contact with the second electrode of each sub-cell. The first layer includes at least one material selected from the group consisting of a doped M-ferrite based perovskite, a doped M′-ferrite based perovskite, a doped MM′-ferrite based perovskite and a doped M′-chromite based perovskite, wherein M is an alkaline earth metal and M′ is a rare earth metal. The second layer includes a doped M″-titanate based perovskite, wherein M″ is an alkaline earth metal. A solid oxide fuel cell having a plurality of cells as described above is formed by connecting each of a plurality of sub-cells with an interconnect as described above. | 07-23-2009 |
| 20090186249 | Titanate and metal interconnects for solid oxide fuels cells - A solid oxide fuel cell (SOFC) includes a plurality of sub-cells. Each sub-cell includes a first electrode in fluid communication with a source of oxygen gas, a second electrode in fluid communication with a source of a fuel gas, and a solid electrolyte between the first electrode and the second electrode. The SOFC further includes an interconnect between the sub-cells. In one embodiment, the SOFC has a first surface in contact with the first electrode of each sub-cell and a second surface that is in contact with the second electrode of each sub-cell; and the interconnect consists essentially of a doped M-titanate based perovskite, wherein M is an alkaline earth metal. In another embodiment, the interconnect includes a first layer in contact with the first electrode of each sub-cell, and a second layer in contact with the second electrode of each sub-cell. The first layer includes an electrically conductive material selected from the group consisting of an metal, a metal alloy and a mixture thereof. The second layer includes a doped M-titanate based perovskite, wherein M is an alkaline earth metal. A solid oxide fuel cell described above is formed by connecting each of the sub-cells with an interconnect described above. | 07-23-2009 |
| 20090179027 | Coaxial ceramic igniter and methods of fabrication - New coaxial ceramic heating elements and methods for manufacture wherein a conductive core region extends into a resistive hot zone at the distal end of the heating element, thereby moving the interface between the core conductive region and the resistive hot zone away from the distal tip of the heating element. Methods comprise bringing together a pre-formed or hardened zone of material with a zone of one or more materials having flow, curing, gelling, drying or otherwise solidifying or hardening the material having flow, and sintering to thereby forming an integral coaxial heating element. | 07-16-2009 |
| 20090179023 | Ceramic heating elements having open-face structure and methods of fabrication thereof - The invention provides new ceramic resistive heating elements and new methods for manufacturing ceramic resistive heating elements wherein the heating element body comprises two or more regions of differing resistivity, and wherein the heating elements are open face. Heating elements such as igniters and glow plugs also are provided obtainable from fabrication methods of the invention. | 07-16-2009 |
| 20090173729 | Ceramic heating elements - New ceramic heating elements are provided that have a recessed portion for receiving an electrical lead. Such ceramic heating elements can provide a reduced cross-sectional dimension across element regions that interface with electrical lead(s) as well as a more secure engagement of an electrical lead. Heating elements can be highly useful in a variety of application, including e.g. for fuel ignition for gas cooking appliances as well as vehicular glow plugs. | 07-09-2009 |
| 20090170996 | FLAME RETARDANT COMPOSITES - A flame retardant polymer composite is disclosed. The composite includes a polymer base material and a flame retardant filler provided in the polymer base material, the flame retardant filler containing seeded boehmite particulate material having an aspect ratio of not less than 3:1 | 07-02-2009 |
| 20090169958 | Ceramic interconnect for fuel cell stacks - A fuel cell comprises a plurality of sub-cells, each sub-cell including a first electrode in fluid communication with a source of oxygen gas, a second electrode in fluid communication with a source of a fuel gas, and a solid electrolyte between the first electrode and the second electrode. The sub-cells are connected with each other with an interconnect. The interconnect includes a first layer in contact with the first electrode of each cell, and a second layer in contact with the second electrode of each cell. The first layer includes a (La,Mn)Sr-titanate based perovskite represented by the empirical formula of La | 07-02-2009 |
| 20090169931 | Fuel cell system - A fuel cell system comprises a fuel cell assembly, a carbon-dioxide-removal unit, an anode exhaust conduit connecting the fuel cell assembly and the carbon-dioxide-removal unit, a fuel source, an oxygen source, a fuel conduit connecting, at least in part, the fuel source with the fuel cell assembly, and a recycle conduit connecting the carbon-dioxide-removal unit with at least one of the fuel cell assembly, the fuel conduit and the fuel source. The fuel cell assembly includes at least one fuel cell, each fuel cell including an anode and a cathode. The carbon-dioxide-removal unit removes carbon dioxide that is in a gas phase. The carbon-dioxide-removal unit includes a carbon-dioxide-removing material. The fuel source and the oxygen source are each independently in fluid communication with the fuel cell assembly. The fuel conduit and the recycle conduit are optionally merged into a single recycle-fuel conduit that extends to the fuel cell assembly. The recycle conduit and/or the recycle-fuel conduit directs essentially all gaseous fluid from the carbon-dioxide-removal unit to the fuel cell assembly. | 07-02-2009 |
| 20090163362 | AGGREGATES OF ALUMINA HYDRATES - 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. | 06-25-2009 |
| 20090161285 | ELECTROSTATIC CHUCK AND METHOD OF FORMING - An electrostatic chuck includes an insulating layer, a conductive layer overlying the insulating layer, a dielectric layer overlying the conductive layer, the dielectric layer having pores forming interconnected porosity, and a cured polymer infiltrant residing in the pores of the dielectric layer. | 06-25-2009 |
| 20090159897 | METHOD FOR TREATING SEMICONDUCTOR PROCESSING COMPONENTS AND COMPONENTS FORMED THEREBY - A semiconductor processing component has an outer surface portion comprised of silicon carbide, the outer surface portion having a skin impurity level and a bulk impurity level. The skin impurity level is average impurity level from 0 nm to 100 nm of depth into the outer surface portion, the bulk impurity level is measured at a depth of at least 3 microns into the outer surface portion, and the skin impurity level is not greater than 80% of the bulk impurity level | 06-25-2009 |
| 20090136744 | APPLICATIONS OF SHAPED NANO ALUMINA HYDRATE AS BARRIER PROPERTY ENHANCER IN POLYMERS - A polymer composition having enhanced barrier properties includes a polymer base and alumina particulates dispersed within the polymer base. The alumina particulates have a secondary aspect ratio at least about 3:1. The polymer composition has an Oxygen Transfer Index of at least about 150. | 05-28-2009 |
| 20090136731 | SCINTILLATOR CRYSTALS AND METHODS OF FORMING - A scintillator crystal and a method for growing a scintillator crystal are provided which includes an as-grown Edge-defined Film-fed Growth (EFG) single crystal. The as-grown EFG single crystal has a body having a thickness, a width, and a length, such that the thickness≦width| 05-28-2009 | |
| 20090130415 | R-Plane Sapphire Method and Apparatus - A method and apparatus for the production of r-plane single crystal sapphire is disclosed. The method and apparatus may use edge defined film-fed growth techniques for the production of single crystal material exhibiting an absence of lineage. | 05-21-2009 |
| 20090111678 | HIGH RESISTIVITY SILICON CARBIDE - A recrystallized silicon carbide body is provided that has a resistivity of not less than about 1 | 04-30-2009 |
| 20090104851 | Polishing of sapphire with composite slurries - Improved slurry compositions comprising a mixture of a first type of particles and a second type of abrasive particles dispersed within an aqueous medium, and abrasive slurry compositions for use chemical mechanical planarization (CMP) processes, particularly abrasive slurry compositions for polishing of sapphire. These abrasive slurry compositions comprise a mixture of a first type of abrasive particles having a hardness that is harder than the surface being polished and a second type of abrasive particles have a hardness that is softer than the surface being polished, particularly mixtures of silicon carbide abrasive particles and silica abrasive particles, dispersed within an aqueous medium. | 04-23-2009 |
| 20090099284 | 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. | 04-16-2009 |
| 20090098807 | Composite slurries of nano silicon carbide and alumina - Improved slurry compositions comprising silicon carbide particles and alumina particles dispersed within an aqueous medium. Slurry compositions in the form of abrasive slurry compositions for use chemical mechanical planarization (CMP) processes, particularly abrasive slurry compositions for polishing of sapphire, and methods of use. | 04-16-2009 |
| 20090071695 | BORON NITRIDE AGGLOMERATED 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 treating the feedstock powder to form a heat treated boron nitride agglomerated powder. In one embodiment the feedstock powder has a controlled crystal size. In another, the feedstock powder is derived from a bulk source. | 03-19-2009 |
| 20090065700 | REDUCED EDGE EFFECT DETECTOR - Embodiments of a radiation detector and subassemblies thereof are provided having a scintillator with a face and a reflector constructed and arranged to redirect a majority of light leaving the face of the scintillator at an angle within a range of 45 to 135 degrees compared to the direction in which the light was traveling when it left the face. In other embodiments a method is provided including receiving radiation into a scintillator having a face, producing light with the scintillator in response to the radiation, allowing at least a portion of the light to leave the face, and reflecting a majority of the light leaving the face at an angle within a range of 45 to 135 degrees compared to the direction in which the light was traveling when it left the face with a reflector. Other embodiments are directed to a reflector including a plurality of prisms having a first face and a second face with a barrier on the first face. | 03-12-2009 |
| 20090047544 | 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 boron carbide powder and the sintering aid is pressed to form a shaped material, and the shaped material is sintered. A sintered boron carbide material comprises a boron carbide component that includes boron carbide, elemental carbon, and not more than about 0.6 wt % of oxygen on the basis of the total weight of the boron carbide component. The sintered boron carbide material has a density of at least about 99% of the theoretical density. Another sintered boron carbide material comprises a boron carbide component that includes boron carbide, silicon carbide, elemental carbon, and not more than about 0.3 wt % oxygen on the basis of the total weight of the boron carbide component, and has a density of at least about 97% of the theoretical density. | 02-19-2009 |
| 20080318496 | 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 direction of the single crystal body and a projection of the crystallographic direction along a plane of a first exterior major surface of the single crystal body. The method further includes removing material from at least a portion of the first exterior major surface to change the misorientation angle. | 12-25-2008 |
| 20080314890 | Ceramic igniters - Ceramic igniters are provided that comprise at least three zones of differing electrical resistance, preferably in sequence a first conductive zone of relatively low resistance, a power booster or enhancement zone of intermediate resistance, and a further hot or ignition zone of high resistance. Igniters of the invention can provide extremely high speeds (low time-to-temperature). | 12-25-2008 |
| 20080271384 | CONDITIONING TOOLS AND TECHNIQUES FOR CHEMICAL MECHANICAL PLANARIZATION - Tools for conditioning chemical mechanical planarization (CMP) pads comprise a substrate with abrasive particles coupled to at least one surface. The tools can have various particle and bond configurations. For instance, abrasive particles may be bonded (e.g., brazed or other metal bond technique) to one side, or to front and back sides. Alternatively, abrasive particles are bonded to a front side, and filler particles coupled to a back side. The abrasive particles can form a pattern (e.g., hexagonal) and have particle sizes that are sufficiently small to penetrate pores of a CMP pad during conditioning, leading to fewer defects on wafers polished with the conditioned CMP pad. Grain bonding can be accomplished using brazing films, although other metal bonds may be used as well. Also, balanced bond material (e.g., braze on both sides) allows for low out-of-flatness value. | 11-06-2008 |
| 20080259236 | ELECTROSTATIC DISSIPATIVE STAGE AND EFFECTORS FOR USE IN FORMING LCD PRODUCTS - A process for producing a liquid crystal display (LCD) is provided that includes placing a glass substrate on a stage, and subjecting the glass substrate to at least one processing operation of a plurality of processing operations for forming an array of electronic devices on the glass substrate. The stage being electrostatic discharge dissipative and having a surface portion that has a volume resistivity (R | 10-23-2008 |
| 20080257380 | PROCESS OF CLEANING A SUBSTRATE FOR MICROELECTRONIC APPLICATIONS INCLUDING DIRECTING MECHANICAL ENERGY THROUGH A FLUID BATH AND APPARATUS OF SAME - An apparatus of cleaning a workpiece for microelectronic applications can include fixture to help position the workpiece. In one aspect the apparatus can include a tank and a transducer. In another aspect the apparatus can include a nozzle. The fixture, the tank, the nozzle, or any combination thereof can include an electrostatic dissipative material having a volume resistivity R | 10-23-2008 |
