Patents
Patents for H01C 7 - Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material (13,712)
04/2003
04/01/2003US6541077 Negative non-chemical amplification resist polymer or a positive chemical amplification resist polymer
04/01/2003US6540944 Current limiting device with conductive composite material and method of manufacturing the conductive composite material and the current limiting device
03/2003
03/27/2003US20030060353 Comprising at least one of a silver powder and a silver alloy powder, a nickel boride powder, an inorganic binder, and an organic vehicle
03/26/2003EP0851549B1 Surge arrester having a housing made from thermoplastic material with an external wafer form surface
03/26/2003CN1405806A Chip type electronic part
03/26/2003CN1405798A Chip-type negative temperature coefficient thermistor and its manufacturing method by pure wet method
03/26/2003CN1405797A Method for forming noble metal film pattern
03/26/2003CN1405791A Conductive paste, lamina ceramic electronic element producing method and lamina ceramic electronic element
03/25/2003US6538554 Resistors formed of aluminum-titanium alloys
03/25/2003US6538318 Semiconductor ceramic for thermistors comprising main component comprising mixed crystal of zinc oxide and zinc titanate and 0.001 to 10 mol percent of manganese
03/25/2003CA2265199C High temperature ptc device and conductive polymer composition
03/20/2003WO2002075754A3 An independently housed trim resistor and a method for fabricating same
03/20/2003US20030052946 Substrate for use of an ink jet recording head, a method for manufacturing such substrate, an ink jet recording head, and an ink jet recording apparatus
03/19/2003EP1293020A1 Device for detecting errors in the leakage current path of a high voltage surge diverter
03/19/2003EP1292957A1 Method of producing a ptc-resistor device
03/19/2003EP1025626B1 Surge arrester having single surge arresting block and method of manufacturing
03/19/2003CN1404074A Material for producing voltage sensitive zine oxide resistor
03/18/2003US6535369 Adaptive surge suppressor
03/18/2003US6535106 Chip resistor
03/18/2003US6535105 Electronic device and process of making electronic device
03/18/2003US6535103 Current limiting arrangement and method
03/18/2003US6534582 Polymer matrix, zinc oxide varistor, and lithium doped wetting agent; nonlinear electrical response; electric cables
03/18/2003CA2148418C Protection circuit and method for telecommunication equipment
03/13/2003WO2003021737A1 An arrangement for esd protection of an integrated circuit
03/13/2003WO2003021608A1 Mechanical reinforcement to improve high current, short duration withstand of a monolithic disk or bonded disk stack
03/13/2003CA2459051A1 Mechanical reinforcement to improve high current, short duration withstand of a monolithic disk or bonded disk stack
03/12/2003EP1290702A1 An arrangement for compensating for temperature dependent variations in surface resistance of a resistor on a chip
03/11/2003US6531950 Electrical devices containing conductive polymers
03/06/2003WO2003019581A1 Ptc resistor in smd form
03/06/2003WO2003019578A1 Conductive polymer having positive temperature coefficient, method of controlling positive temperature coefficient property of the same and electrical device using the same
03/06/2003WO2002099822A3 Analytical device for test fluids, comprises a conductive polymer composition
03/06/2003WO2002072686A3 Ptc conductive polymer compositions
03/06/2003US20030043526 Mechanical reinforcement to improve high current, short duration withstand of a monolithic disk or bonded disk stack
03/06/2003US20030043013 Zinc oxide is sintered to make a varistor element, the varistor element is buried into a mixture based on sio2 and is subjected to heat treatment, zn2sio4 film having acid and alkali resistance is formed on the surface
03/06/2003US20030043012 Zinc oxide varistor and method of manufacturing same
03/06/2003US20030042560 Micro-electromechanical switch fabricated by simultaneous formation of a resistor and bottom electrode
03/05/2003EP1288977A1 Micro-electromechanical switch fabricated by simultaneous formation of a resistor and bottom electrode
03/05/2003EP1288971A1 Zinc oxide varistor and method of manufacturing same
03/05/2003EP1286934A2 Ceramic component and the use thereof
03/05/2003CN2539257Y Composite cover insulation gapless arrester
03/05/2003CN2539256Y Single-section type ac composite cover gapless metallic oxide arrester
03/05/2003CN1401123A Electrical device
03/05/2003CN1400611A 电阻材料 Resistive material
03/05/2003CN1102551C Zinc oxide series piezoelectric ceramics combination and making method
03/04/2003US6529116 Passive component
03/04/2003US6529115 Surface mounted resistor
03/04/2003US6528860 Resistor with resistance alloy plate having roughened interface surface
03/04/2003US6528572 Conductive polymer compositions and methods of manufacture thereof
02/2003
02/27/2003WO2003017292A2 Electroceramic component
02/27/2003US20030038705 Mounting structure for thermistor with positive resistance-to-temperature characteristic
02/27/2003US20030038704 Method of producing thermistor element and production apparatus for production apparatus for producing raw materials for thermistor element
02/27/2003DE20216902U1 Pressure relief device for overvoltage conductors with metal oxide varistors
02/26/2003EP1286147A1 Capacitive absolute pressure sensor
02/26/2003EP1284941A1 Ceramic material, method for production and use thereof and component therewith
02/26/2003CN1399782A Improved conductive polymer device and method of manufacturing same
02/25/2003US6525395 Chip-type composite electronic component and manufacturing method thereof
02/25/2003US6524924 Semiconductor device and process of producing the same
02/25/2003US6524697 Temperature sensor and electronic equipment using the same
02/20/2003WO2003015108A2 Circuit protection device
02/20/2003WO2003001540A8 Overvoltage protection assembly
02/20/2003WO2002047093A3 Positive temperature coefficient thermistor
02/20/2003US20030035937 Thick film paste systems for circuits on diamond substrates
02/19/2003EP0770260B1 Variable voltage protection structures and methods for making same
02/19/2003CN2537109Y Positive temperature coefficient thermisistor
02/19/2003CN1397959A Barium titanate based electric resistor non-linear to voltage and its preparing process
02/19/2003CN1397958A Semiconductor ceramic compsn. and semiconductor ceramic component using same
02/19/2003CN1101975C Resistnace component and risistor using same
02/18/2003US6522516 Polymer fuse and filter apparatus
02/18/2003US6522238 Semiconductor ceramic and positive-temperature-coefficient thermistor
02/18/2003US6522237 Sintered conductive powder layer; surface roughness
02/18/2003CA2078178C Method of securing a conductor to a ceramic ptc
02/13/2003US20030030536 Circuit protection devices
02/13/2003US20030030192 Joining by a palladium-based alloy foil which has low melting temperature, containing secondary element selected from Ni, Co, and Fe, corresponding to two tungsten alloy body; storage vessel, container, shields for electromagnetic radiation
02/12/2003EP1283528A2 Low impedance electrical resistor and method of making it
02/12/2003CN2535906Y Thermal-protective voltage-dependent resistor
02/12/2003CN1101589C Temp. sensor and its manufacturing method
02/11/2003US6519129 Surge arrester module with bonded component stack
02/11/2003US6517961 Electrostatic charge regulator, method for making same, and image forming method using same
02/06/2003WO2002024988A3 Temperature dependent electrically resistive yarn
02/06/2003US20030026991 Passive electrical components formed on carbon coated insulating substrates
02/06/2003US20030026055 Surge arrestor
02/06/2003US20030026053 Circuit protection device
02/06/2003US20030025587 Electrostatic discharge multifunction resistor
02/06/2003US20030025079 Oxide thin film for a bolometer, process for producing the same, and infrared sensor using the same
02/06/2003US20030024898 Method of forming noble metal thin film pattern
02/05/2003EP1281784A2 Electric resistance material
02/05/2003CN1395734A Resistor and method for fabricating the same
02/05/2003CN1395258A Zinc oxide linear resistance medium and its preparation method
02/05/2003CN1394914A Polymer with non-linear current-voltage property and producing method of said polymer
02/04/2003US6515844 Electronic part
02/04/2003US6515842 Multiple array and method of making a multiple array
02/04/2003US6515572 Circuit arrangement comprising an SMD-component, in particular a temperature sensor, and a method of manufacturing a temperature sensor
01/2003
01/30/2003WO2003009312A2 Overvoltage arrester
01/30/2003WO2003009311A1 Electroceramic component
01/30/2003WO2003009310A2 Surge voltage protector for use in power transmission networks
01/30/2003US20030022784 Ceramic having low specific resistance at room temperature and high withstand voltage
01/30/2003US20030020591 Electrical device having ptc conductive polymer
01/30/2003US20030020590 Protection of electrical devices with voltage variable materials
01/30/2003CA2454556A1 Surge arrester
01/29/2003EP1279173A2 High voltage low inductance circuit protection resistor
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