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7623020 Multilayer ceramic electronic component  
A multilayer ceramic electronic component includes a multilayer body, a first internal electrode provided in the multilayer body, and a second internal electrode provided in the multilayer body and...
7623019 Varistor with three parallel ceramic layer  
The present invention discloses a varistor which comprises three parallel ceramic layers. Each of the ceramic layers has two electrodes on both sides thereof. Four leads are properly arranged...
7618550 Polymer compound with nonlinear current-voltage characteristic and process for producing a polymer compound  
The polymer compound contains a polymer matrix and a filler embedded in the matrix. The filler comprises two filler components with nonlinear current-voltage characteristics deviating from one...
7612648 Disc varistor and method of manufacturing the same  
Disclosed herein are a disc varistor having a capability to absorb a double amount of surge and a method of manufacturing the varistor. The varistor includes a disc-shaped first ceramic body having...
7609141 Flexible circuit having overvoltage protection  
A first voltage variable material (“VVM”) includes an insulative binder, first conductive particles with a core and a shell held in the insulating binder and second conductive particles without...
7605352 Method for sorting positive temperature coefficient (PTC) elements  
In a method for sorting PTC elements having different resistance-temperature characteristics, a predetermined voltage that allows a current to sufficiently decay is applied to each of PTC elements...
7598840 Metal oxide varistor having thermal cut-off function  
A MOV includes a MOV body, a first lead, a thermal cut-off fuse, a second lead and a silver electrode area. The MOV of the present invention employs the silver electrode area formed on and...
7570149 Electronic circuit device including electric element and varistor on substrate and its manufacture method  
An electronic element having at least a pair of electrodes is formed on a substrate. A varistor element is formed on the substrate, the varistor element including a pair of electrodes and a...
7558042 Devices and system for electrostatic discharge suppression  
A electrostatic discharge suppression device including an electrostatic discharge reactance layer having a first side and a second side, a first electrode coupled to the first side and comprising a...
7541910 Multilayer zinc oxide varistor  
A multilayer zinc oxide varistor without bismuth oxide system ingredients, and having variable breakdown voltages by controlling the thickness of the ceramic material; the varistor is bismuth-free...
7525409 Method of manufacturing a varistor  
A varistor including a varistor body with two parallel end faces made of a material that contains one or more metal oxides, and at least one electrode made of an electrically conductive electrode...
7453681 Metal oxide varistor with a heat protection  
A metal oxide varistor integrally formed with a heat protection structure that will automatically go to open circuit in conditions of overheating due to sustained over-voltages. The metal oxide...
7427802 Irreversible reduction of the value of a polycrystalline silicon resistor  
The invention relates to a method and device for the irreversible reduction of the value of an integrated polycrystalline silicon resistor. The inventive method consists in temporarily subjecting...
7391295 High voltage over-current protection device  
A high voltage over-current protection device includes a positive temperature coefficient (PTC) electrically conductive heat-dissipation layer and two metal electrodes. The PTC electrically...
7372357 Varistor body and varistor  
A preferred varistor body 2 has a structure of alternately laminated internal electrode layer 12 and varistor layer 14 . The varistor layer 14 has a composition containing ZnO as the main...
7365632 Resistive elements using carbon nanotubes  
Resistive elements include a patterned region of nanofabric having a predetermined area, where the nanofabric has a selected sheet resistance; and first and second electrical contacts contacting...
7362209 Zinc oxide resistor and its manufacturing method  
Disclosed are a zinc oxide resistor structure, and methods of forming a glass layer and a resistor, which are required for producing the resistor structure. The zinc oxide resistor comprises zinc...
7352267 Cylindrically shaped superconductor component and its use as resistive current limiter  
The present invention is directed to a cylindrically shaped superconductor component particularly useful as resistive current limiter composed of a cylindrical superconductor body, in particular of...
7320762 Polymer compound with nonlinear current-voltage characteristic and process for producing a polymer compound  
The polymer compound contains a polymer matrix and a filler embedded in the matrix. The filler comprises two filler components with nonlinear current-voltage characteristics deviating from one...
7312690 Temperature sensor  
A temperature sensor includes a probe section for insertion into a hot zone. The probe section includes a thermistor, a first lengthy pin terminating at the thermistor, and a second lengthy pin...
7277003 Electrostatic discharge protection component  
An electrostatic discharge protection component of an array type includes ceramic insulating substrate 12 ; varistor region 10 which is pasted on ceramic insulating substrate 12 and then is...
7271700 Thin film resistor with current density enhancing layer (CDEL)  
A thin film resistor device and method of manufacture includes a layer of a thin film conductor material and a current density enhancing layer (CDEL). The CDEL is an insulator material adapted to...
7258819 Voltage variable substrate material  
The present invention provides an improved voltage variable material (“VVM”). More specifically, the present invention provides an improved printed circuit board substrate, an improved device...
RE39660 Surface mounted four terminal resistor  
An electrical resistor has a surface mounted four terminal current sensor of a very low resistance value and capable of handling short pulses of high power. It comprises a flat metal late, 1 to 50...
7218492 Devices and systems for electrostatic discharge suppression  
A device ( 10 ) for suppressing electrostatic discharge comprises first and second multilayer structures ( 14, 16 ) surrounding an electrostatic discharge reactance layer ( 12 ), the resistance of...
7217374 Resistance element, method of manufacturing the same, and thermistor  
To provide a resistance element having an electric resistance body with excellent stability and a method of manufacturing the same. The resistance element includes an electric resistance body, on a...
7167352 Multilayer chip varistor  
A multilayer chip varistor comprises a multilayer body and a pair of external electrodes formed on the multilayer body. The multilayer body has a varistor section and a pair of outer layer sections...
7123125 Structure of a surface mounted resettable over-current protection device and method for manufacturing the same  
The present invention is directed to a structure of a surface mounted resettable over-current protection device and a method for manufacturing the same. First, a raw material substrate having two...
7099131 Surge absorber and surge absorber array  
A surge absorber includes a laminated compact of a first ceramic green sheet having a first internal electrode film extending to both sides thereof, a second ceramic green sheet having an second...
7075405 Multilayer chip varistor and method of manufacturing the same  
The multilayer chip varistor of the present invention includes a varistor body including a plurality of varistor layers and inner electrodes arranged to sandwich each of the varistor layers,...
7035072 Electrostatic discharge apparatus for network devices  
The present invention provides an ESD apparatus that includes an electrical overstress suppression device in series with a capacitor. The ESD apparatus is ideally suited for use with network...
7015787 Voltage-dependent resistor and method of manufacturing the same  
A voltage-dependent resistor includes a composite of at least one semiconductive ceramic layer mainly containing ZnO and at least one metal oxide layer containing at least one of strontium and...
7015786 Mechanical reinforcement to improve high current, short duration withstand of a monolithic disk or bonded disk stack  
A mechanical reinforcement for an electrical apparatus has at least one electrical element with an outer surface and a reinforcing structure attached to the outer surface. The electrical element...
7012500 GFCI with enhanced surge suppression  
An MOV element is physically and electrically connected to a heat sensitive material which changes from a low impedance path to a high impedance path, such as a spark gap, when the temperature of...
6995649 Variable resistor apparatus formed utilizing nanotechnology  
A variable resistor apparatus includes a plurality of nanoparticles disposed between two terminals, wherein the plurality of nanoparticles provides an electrical resistance. An electric field...
6981319 Method of manufacturing devices to protect election components  
Devices capable of protecting electronic components during the occurrence of a disturbance event using printed circuit board manufacturing techniques. A three (3) layer structure is formed...
6943659 Coated varistor  
A varistor includes a varistor element, a first layer which is porous on the varistor element, and a second layer on th first coating. The thickness t (mm) of the second layer is not smaller than...
6932928 Method of producing a PTC-resistor device  
The invention relates to a novel method of producing a resistor device comprising a PTC-polymer element 2 and a varistor element 4 . Both elements are molded in a common molding process using...
6693508 Protection of electrical devices with voltage variable materials  
An arrangement of voltage variable materials for the protection of electrical components from electrical overstress (EOS) transients. A device having a plurality of electrical leads, a ground plane...
6611192 Voltage-nonlinear resistor, method for making the same, and varistor using the same  
A varistor includes a voltage-nonlinear resistor and varistor electrodes provided on the upper and lower surfaces of the voltage-nonlinear resistor. The voltage-nonlinear resistor is primarily...
6608547 Low capacity multilayer varistor  
The invention is directed to a low-capacitance multi-layer varistor having a ceramic body and two terminals that are applied on the ceramic body spaced from one another. The ceramic body is...
6542065 Variable voltage protection structures and method for making same  
A variable voltage protection component in accordance with this invention comprises a reinforcing layer of insulating material having a substantially constant thickness embedded in a voltage...
6540944 Current limiting device with conductive composite material and method of manufacturing the conductive composite material and the current limiting device  
A current limiting device comprises at least two electrodes; an electrically conducting composite material between the electrodes; interfaces between the electrodes and electrically conducting...
6507269 Voltage nonlinear resistor  
A voltage nonlinear resistor has a voltage nonlinear resistive body including zinc oxide, and a side face high-resistance layer provided on the side face of the resistive body. The high-resistance...
6469611 Non-linear resistance with varistor behavior and method for the production thereof  
The nonlinear resistor has varistor behaviour and has a matrix and a filler in powder form which is embedded in the matrix. The filler contains sintered varistor granules with predominantly...
6459358 Flexible moldable conductive current-limiting materials  
A current limiting PTC device ( 10 ) has two electrodes ( 14 ) with a thin film of electric conducting polymer material ( 20 ) disposed between the electrodes, the polymer material ( 20 ) having...
6445280 Composite material switches  
A device to protect electronic circuitry from high voltage transients is constructed from a relatively thin piece of conductive composite sandwiched between two conductors so that conduction is...
6416682 Method of producing minerals under near-critical, critical and supercritical conditions  
The present invention relates to methods of producing synthetic crystals (typically minerals) or comparable inorganic compounds by reactions of metal salts and metal oxyhydroxides under...
6400253 Electronic component and method of manufacture therefor  
An electronic component composed of alternating internal electrodes in a ceramic material, the internal electrodes being electrically connected to an external electrode on each end of the ceramic...
6388555 Low profile mount for plural lower electrode metal oxide varistor package and method  
A low profile mount for a disc varistor. A thermally sensitive switch is provided both for single and multiple electrode embodiments. The switch may be placed in a shorting circuit and include a...
Matches 1 - 50 out of 334 1 2 3 4 5 6 7 >