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7531112 |
Composition for forming dielectric, capacitor produced using composition, and printed circuit board provided with capacitor
Disclosed is a composition for forming a dielectric, which is applied to an embedded capacitor with a high dielectric constant, a capacitor produced using the composition, and a PCB provided with...
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7477131 |
Low temperature coefficient of resistivity polymeric resistors based on metal carbides and nitrides
Provided are compositions containing 20 to 50% by volume of a nitride or carbide of a group IV metal, a polymer, and 1 to 9% by volume of an allotrope of carbon. The compositions are useful in...
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7435702 |
Photocatalyst and process for purifying gas effluent by photocatalytic oxidation
The photocatalyst based on a composite WO 3 —SiC/TiO 2 semiconductor and subjected to radiation whose wavelength is at least partly less than 400 nm gives1 photocatalytic oxidation of volatile...
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7195722 |
Compositions for ceramic igniters
Ceramic igniter compositions are provided that contain components of conductive material and insulating material, where the insulating material component includes a relatively high concentration of...
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7195720 |
Curable composition for heat conductive material
The invention provides a curable composition for a heat conductive material, having an excellent durability, a satisfactory heat conductive property and a high productivity with easily controllable...
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7189342 |
Tapecast electro-conductive cermets for high temperature resistive heating systems
This invention relates to novel chemical compositions and manufacturing methods for producing electro-conductive, metal-ceramic materials having improved structural stability to operate at high...
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7112549 |
Low thermal expansion ceramic and member for exposure system
A low-thermal-expansion, rigid and wear-resistant ceramic is provided. The low-thermal-expansion ceramic of the invention includes 60 vol % to 99.9 vol % of at least one selected from the group...
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7067775 |
Treatment for improving the stability of silicon carbide heating elements
A treatment and an object so treated, which may be used to improve the electrical stability, energy efficiency and performance of silicon carbide heating elements is disclosed. Use is made of...
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7046117 |
Integrated magnetic field strap for signal isolator
An integrated signal isolator is provided to isolate first and second circuits. First, second, third, and fourth magnetoresistors of the isolator are coupled together so as to form a Wheatstone...
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7022175 |
Initial solids mixture for a later organic coating application
An initial solids mixture for a later organic coating, such as pigmented coatings, films, priming coats, etc., e.g., for a coil coating method in which an initial solids mixture is applied to a...
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7018947 |
Low resistivity silicon carbide
Free standing articles of chemical vapor deposited silicon carbide with electrical resistivities of less than 0.9 ohm-cm are provided without substantially degrading its thermal conductivity or...
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6875376 |
Voltage non-linear resistor, method for manufacturing the same, and varistor using the same
A voltage non-linear resistor which makes a SiC-based varistor exhibiting low apparent relative dielectric constant and the voltage nonlinearity coefficient α at the same level as ZnO-based...
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6849207 |
Silicon nitride sintered material and production process thereof
A silicon nitride sintered material containing a silicon nitride component and silicon carbide having an average particle size of 1 μm or less in an amount of at least 1 mass % and less than 4...
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6695984 |
Silicon carbide sinter and process for producing the same
The present invention provides: a fabrication method of a silicon carbide sintered body, including a step of fabricating a mixed powder slurry by dissolving or dispersing silicon carbide powder, at...
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6649325 |
Thermally conductive dielectric mounts for printed circuitry and semi-conductor devices and method of preparation
Methods and formulations for use in preparing thermally conductive dielectric mounts for heat generating semi-conductor devices and associated circuitry. The formulations include a thermoplastic...
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6632761 |
Silicon carbide powder, method of producing a green body, and method of producing a sintered silicon carbide
A silicon carbide powder which can increase the densities of a green body and a sintered silicon carbide, a method of producing a green body having a high density and excellent handling properties,...
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6589448 |
Ceramic ball for bearing and ceramic ball bearing using the same
A ceramic bearing ball in which at least a portion of a constituent ceramic is formed of an electrically conductive inorganic compound phase, whereby a proper electrical conductivity is imparted to...
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6497829 |
Method of producing silicon carbide: heating and lighting elements
A method of producing silicon carbide (SiC) heating and lighting elements, by mixing a quantity of finely-divided particles of carbon in a binder; shaping the mixture; applying finely-divided...
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6472972 |
PTC composite material
A PTC composite material including a matrix of ceramic material having one of a cristobalite crystal structure and a tridymite crystal structure, each doped with an oxide of at least one of Be, B,...
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6379806 |
Heat-resistant silicone rubber composite sheet having thermal conductivity and method of producing the same
A thermally conductive heat-resistant silicone rubber composite sheet which has a heat-resistant resin film layer on at least one side of a silicone rubber sheet and can be suitably used in a hot...
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6328913 |
Composite monolithic elements and methods for making such elements
A composite monolithic element for use as a hot surface ignitor or the like includes first and second regions or layers. The first region or layer comprises a low pressure ejection molded mixture...
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6303055 |
Composition of a high sensitivity sensor for detecting mechanical quantity
A composition of a high sensitivity sensor for detecting mechanical quantity including: an insulating matrix material; and a conductive path formed by discontinuously dispersing second phase...
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6296793 |
Composition for preparing water-repellent coatings on optical substrates
Composition for preparing water-repellent coatings on optical substrates, comprising a porous, electrically conductive molding and an organosilicon compound, obtainable by mixing an electrically...
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6228904 |
Nanostructured fillers and carriers
A nanocomposite structure comprising a nanostructured filler or carrier intimately mixed with a matrix, and methods of making such a structure. The nanostructured filler has a domain size...
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6156238 |
Liquid phase-sintered, electrically conductive and oxidation-resistant ceramic material, a process for producing it and its use
This invention relates to a liquid phase-sintered, electrically conductive and oxidation-resistant ceramic material, to a process for producing it and to its use.
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6146550 |
Electrical resistance heating element for an electric furnace and process for manufacturing such a resistance element
This electrical resistance heating element (10) for an electric furnace comprises a resistive heating part (12) made of a ceramic. The ceramic comprises a sintered mixture of silicon carbide...
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6114429 |
Thermally conductive silicone composition
A thermally conductive silicone composition which comprises (A) 5 to 30 weight % of a liquid silicone, (B) 50 to 94.98 weight % of at least one thickener selected from the group consisting of a...
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6090733 |
Sintered silicon carbide and method for producing the same
A sintered silicon carbide containing nitrogen is obtained by sintering a mixture of a powder of silicon carbide and a nonmetallic auxiliary sintering agent. The sintered silicon carbide has a...
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6024896 |
Contacts material
The contacts material of the present invention is contacts material including silver-tungsten carbide alloy containing 55-70 weight % of tungsten carbide (WC) of mean particle size 0.1-6 μm...
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6019913 |
Low work function, stable compound clusters and generation process
Low work function, stable compound clusters are generated by co-evaporation of a solid semiconductor (i.e., Si) and alkali metal (i.e., Cs) elements in an oxygen environment. The compound clusters...
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5994250 |
Sintered ceramic bodies and ceramic working tools
A sintered ceramic body which can be worked by electrical discharge machining, has high mechanical strength, and can be worked into sintered ceramic tools which have long life is disclosed....
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5976420 |
Chip type varistor and ceramic compositions for the same
There is provided a chip type varistor having a small electrostatic capacity, high voltage non-linearity, and high voltage suppressing capability and surge resistance. The chip type varistor is a...
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5961888 |
Ceramic electric resistor
A ceramic electric resistor is proposed which can be made by means of ceramizing at least one organo-silicon polymer and at least one filler. The filler comprises at least one high-melting...
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5938979 |
Electromagnetic shielding
Electromagnetic shielding material is formed from a shielding composition made with magnetic particles and a binder, where the magnetic particles have an average diameter less than about 1000 nm...
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5925467 |
Electrically and thermally conductive plastic and use of this plastic
The electrically and thermally conductive plastic contains a polymer and a filler embedded in the polymer, based on a semiconducting material having by doping a predetermined intrinsic electrical...
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5916833 |
Sintered ceramic bodies and ceramic metal working tools
A sintered ceramic body which can be worked by electrical discharge machining, has high mechanical strength, and can be worked into sintered ceramic tools which have long life is disclosed....
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5888429 |
Method for providing high temperature conductive-resistant coating, medium and articles
The temperature adjustable coating and medium and method for providing an electrically-resistant temperature-adjustable article and structure. The coating provides a continuous...
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5880439 |
Functionally stepped, resistive ceramic
An electrically powered functionally graded ceramic composite heater and a functionally stepped ceramic composite heater useful for cigarette lighters. The electrical resistance heater includes...
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5820789 |
High voltage ceramic igniter
A method of heating, comprising the step of providing a line voltage of between 120V and 230 V across a ceramic igniter having a hot zone composition comprising: (a) between 50 and 80 v/o of an...
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5786565 |
Match head ceramic igniter and method of using same
A ceramic igniter comprising: a) a pair of electrically conductive portions, each portion having a first end, b) a hot zone disposed between and in electrical connection with each of the...
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5750249 |
Galvanically compatible conductive filler and methods of making same
Composite particles suitable as conductive filler for electrically conductive compositions which can be used as gaskets, caulking and plastics, for example. The compositions are, useful as EMI...
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5705261 |
Active metal metallization of mini-igniters by silk screening
A ceramic igniter comprising: a) a lead wire, b) a ceramic substrate, and c) a braze pad having a thickness of less than about 150 microns, wherein the lead wire and ceramic substrate are placed in...
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5670259 |
Water soluble pyrolytic paint
The present invention provides a water soluble, inorganic pyrolytic paint which, when dried to form a paint layer, generates heat from a whole surface of the paint layer by supplying electric...
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5657315 |
System and method for ring latency measurement and correction
A system and method for passively measuring and correcting ring latency on a token or FDDI ring includes generating bits and token frames in a defined pattern according to the token ring protocol....
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5643721 |
Bioreagent immobilization medium
The present invention provides an immobilization medium which can immobilize bioreagents to support materials and which dries to a water resistant layer or film. The immobilization medium comprises...
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5611955 |
High resistivity silicon carbide substrates for high power microwave devices
A substrate for use in semiconductor devices, fabricated of silicon carbide and having a resistivity of greater than 1500 Ohm-cm. The substrate being characterized as having deep level impurities...
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5611953 |
Sinter-homogenized heating products
Electrical heating elements operable at high temperatures for long periods are produced by a method involving micropyretic synthesis. Compositions subjected to micropyretic synthesis comprises a...
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5582769 |
Composition for providing high temperature conductive-resistant coating
The temperature adjustable coating and medium and method for providing an electrically-resistant temperature-adjustable article and structure. The coating provides a continuous...
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5514630 |
Composition for small ceramic igniters
A ceramic material comprising: (a) between about 50 and about 80 v/o of an electrically insulating ceramic having a resistivity of at least about 10 E+10 ohm-cm; (b) between about 10 and...
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5500394 |
Fire-resistant and thermal shock-resistant composite ceramic material and method of making same
The invention provides a ceramic composite material which includes 60-85% silicon carbide, 4-15% titanium carbide, 4-20% titanium boride, 4-13% aluminum oxide, and 1-8% titanium oxide. All...
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