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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...
7609143 Multi-layer type over-current and over-temperature protection structure and method for manufacturing the same  
A multi-layer type over-current and over-temperature protection structure and a method of manufacturing the same are disclosed. The present invention utilizes the concept of multi-layer design to...
7609142 Thermistor  
A thermistor is provided with a third electrode placed so that it is not in contact with either the first or second electrode, and with a heating part integrally formed with the same material as...
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...
7591965 Resistance paste and resistor  
A lead-free resistance paste and a lead-free resistor that is formed with the resistance paste and has a high resistance value and excellent electric characteristics are disclosed. The resistance...
7589611 Overvoltage protection materials and process for preparing same  
The invention provides a process for preparing an overvoltage protection material comprising: (i) preparing a mixture comprising a polymer binder precursor and a conductive material; and...
7563024 Method and apparatus for measurement of electronics device skin temperature  
For some embodiments, skin temperature of a computer system may be determined by using a network of thermistors and conductors. A thermistor may be positioned at an intersection of two conductors....
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...
7556745 Sintered compact for thermistor element, process for producing the same, thermistor element and temperature sensor  
A sintered body for thermistor element of the invention is a sintered body for thermistor element containing Sr, Y, Mn, Al, Fe, and O, wherein not only respective liquid crystal phases of a...
7553078 Temperature sensor and method for producing the same  
A temperature sensor 10 includes a metallic cover 5 , a thermistor element 1 accommodated in a front portion 5 s of the metallic cover 5 , first and second conductive wires 2 a and 2 b ...
7548149 Surface-mount negative-characteristic thermistor  
A surface-mount negative-characteristic thermistor includes a ceramic body composed of a semiconductor ceramic material including at least one of Mn, Ni, and Ti; external electrodes disposed on...
7538654 Temperature detector and fixing device provided therewith  
A temperature detector 163 according to the invention is so configured as to include a polyimide sheet 163 a on which a temperature detection part 163 b is mounted, the temperature detection...
7532101 Temperature protection device  
A temperature protection device is provided, which comprises with a polymeric positive temperature coefficient (PTC) device 1 having a conductive polymer 5 placed between two electrodes 6 and...
7528350 Process for producing PTC element/metal lead element connecting structure and PTC element for use in the process  
The present invention provides a novel method for electrical connection between a polymer PTC device and a metal lead element to thereby prevent the problems of the connection by caulking or...
7522030 Starter relay  
A starter relay comprises a container composed of an electrical insulating hard resin, a resistor having a positive resistance temperature coefficient and housed in the container, and contact...
7515032 Combined PTC device  
A PTC device is provided which is capable of surely functioning as the PTC device even in a wiring through which a large current flows. A combined PTC device ( 10, 10′ ) is composed of two PTC...
7507356 Voltage non-linear resistance ceramic composition and voltage non-linear resistance element  
As for the voltage non-linear resistance element layer 2, a sintered body having ZnO as a main component is used. In this sintered body, Pr, Co, Ca, and either Cu or Ni are added. The ranges are;...
7501927 High-power resistor  
An improved high-power resistor comprising a housing which can be or is traversed by a cooling medium and in which one or more resistance elements are provided.
7495194 Heating apparatus and heating method  
A heating apparatus includes a plurality of heating means that heat a heated object, a temperature measuring means that measures temperatures of some of the plurality of heating means, a heated...
7481953 Thick-film resistor paste and thick-film resistor  
A thick-film resistor paste comprised of a resistor composition dispersed in an organic vehicle, the resistor composition containing at least one of RuO 2 and a Ru composite oxide as a conductive...
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...
7476342 Resistor composition and thick film resistor  
A resistor composition containing: a lead-free ruthenium-based electrically conductive component, a lead-free glass having a glass basicity (Po value) of 0.4 to 0.9, and an organic vehicle;...
7471185 Aligned particle based sensor elements  
The present invention relates to a sensor array for detecting an analyte in a fluid, comprising first and second sensors formed by chemically sensitive resitors, wherein the first sensor comprises...
7462416 Secondary battery  
A secondary battery having an improved electrical connection structure of a secondary protective device by positioning a thermo-breaker in a protective device groove, in order to improve the...
7442902 Adaptive temperature controller  
The adaptive temperature controller includes an ambient temperature sensor, a device for measuring resistance, an electrically-conductive material, a power supply, and a device for controlling...
7432123 Methods of manufacturing high temperature thermistors  
A method of manufacturing high temperature thermistors. A polycrystalline thermistor body is formed from a material selected from a list consisting of bulk polycrystalline Si with intrinsic...
7430797 Method for making an electrical component  
An method for manufacturing an electrical component comprises providing a base body of a ceramic material with at least two contact regions with terminal elements secured thereto. The base body is...
7427911 Electrical device having a heat generating resistive element  
The invention provides an electrical device having improved insulation and reduced partial discharge. The electrical device comprises an electrically conductive resistive element provided on a heat...
7417527 PTC element  
A PTC element has an element body in which an electroconductive filler is dispersed in a crystalline polymer, a pair of lead terminals compressed with the element body in between, and a protecting...
7414514 Resettable chip-like over-current protection devices  
The invention relates to resettable chip-type over-current protection devices and methods of making the same, characterized by directly forming upper and lower electrode conductor and connection...
7403093 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Starter relay
 
A starter relay comprises a container composed of an electrical insulating hard resin, a resistor having a positive resistance temperature coefficient and housed in the container, and contact...
7403092 Thermistor  
A thermistor is provided with a pair of opposed electrodes, and a thermistor body layer disposed between the pair of electrodes and including a cured body of a curable resin composition containing...
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...
7368069 PTC thermistor  
In a PTC thermistor comprising at least a pair of electrodes disposed so as to face each other and a thermistor element disposed between the electrodes and having a positive resistance-temperature...
7367114 Method for plasma etching to manufacture electrical devices having circuit protection  
Methods of manufacturing a variety of circuit protection devices are provided as well as devices so manufactured. In an embodiment, a surface mount electrical device having a substrate and a pair...
7365631 Overheat detection sensor  
The invention relates to an overheat detection sensor. The inventive sensor is characterised in that it comprises a conductive core which extends inside a first conductive sheath, said core and...
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...
7355504 Electrical devices  
An electrical device which comprises first and second laminar electrodes and a laminar PTC resistive element sandwiched between them, the device comprising (a) a main portion which comprises...
7352272 Over-current protection device  
An over-current protection device comprises two metal foils and a PTC material layer laminated between the two metal foils. The PTC material layer essentially comprises a polymer matrix and a...
7348873 Multilayer positive temperature coefficient thermistor and method for designing the same  
A multilayer PTC thermistor reliably decreases the resistance by decreasing the thickness of ceramic layers composed of a BaTiO 3 semiconductor ceramic and achieves a resistance close to the...
7343671 Process for manufacturing a composite polymeric circuit protection device  
A process for manufacturing a composite polymeric circuit protection device in which a polymeric assembly is provided and is then subdivided into individual devices. The assembly is made by...
7341679 Organic positive temperature coefficient thermistor and manufacturing method therefor  
An organic positive temperature coefficient thermistor 10 having at least a pair of electrodes 2 and 3 positioned facing each other and a thermistor element 1 having a positive temperature...
7335855 Electric PCB heating component, electronic circuit board and heating method  
An electric PCB heating component for a heating electric component is coupleable to an electronic circuit board. The PCB heating component includes a fastening element, a heating element for...
7329837 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...
7326889 PTC element and production process thereof  
A method of manufacturing a PTC element comprising a pair of lead terminals bonded together by thermocompression with a matrix held therebetween comprises a matrix preparing step of preparing a...
7323664 Heating system  
A heating system includes a plurality of radiant heaters, a power source supplying electricity to the radiant heaters, and a transformer provided between the radiant heaters and the power source,...
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...
7314583 Organic positive temperature coefficient thermistor device  
An organic positive temperature coefficient thermistor device comprising a pair of electrodes disposed so as to oppose each other, and a thermistor body having a positive resistance-temperature...
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...
7309849 Polymer compositions exhibiting a PTC property and methods of fabrication  
Various embodiments of the invention provide polymeric compositions including PTC composites that exhibit highly non-linear PTC effects together with extremely rapid, repeatable switching within a...