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)
11/1999
11/03/1999CN1046172C Zinc oxide ceramic linear resistor and it mfg. method
11/02/1999US5977863 Low cross talk ball grid array resistor network
11/02/1999US5977862 Polymer high voltage current limiters packaged in series
11/02/1999US5977861 Current limiting device with grooved electrode structure
11/02/1999US5976458 Iron aluminide useful as electrical resistance heating elements
11/02/1999US5976421 Semiconductor ceramic having an oxide spinel, which contains the elements manganese, nickel and indium.
11/02/1999US5976420 Sic and at least two oxides selected from the group consisting of sio2, bi2o3, pbo, b2o3 and zno.
11/02/1999US5974661 Method of manufacturing a surface-mountable device for protection against electrostatic damage to electronic components
11/02/1999CA2066254C Conductive polymer device
10/1999
10/28/1999DE19824104A1 Nonlinear resistor with varistor characteristic for high power and good protective characteristics
10/27/1999EP0952646A1 Surge absorber without chips
10/27/1999EP0952591A1 Ptc thermistor
10/27/1999EP0952590A2 Electrical devices containing conductive polymers
10/27/1999EP0951807A1 Improvements in or relating to thermal trip arrangements
10/27/1999CN2346042Y PTC heating assembly for clothes dryer
10/27/1999CN1046053C Microvaristor chip and its producing method
10/27/1999CN1046052C Oxidate semi-conductor thermosensitive resistance and producing method
10/27/1999CN1046051C Oxidate semiconductor thermosensitive resistance and mfg. method thereof
10/27/1999CN1046050C Producing method for oxidate semi-conductor thermosensitive resistance
10/27/1999CN1046049C Production method of oxidate semi-conductor thermo-sensitive resistance
10/27/1999CN1046048C Production method of oxidate semi-conductor thermo-sensitive resistance
10/26/1999US5973605 Thermistor monitor system
10/26/1999US5973589 Zno varistor of low-temperature sintering ability
10/26/1999US5973588 Multilayer varistor with pin receiving apertures
10/21/1999WO1999053505A1 Electrical devices
10/21/1999WO1999053504A1 Ptc thermistor chip
10/21/1999DE19915661A1 Ceramic for monolithic varistors, especially miniature monolithic varistor chips
10/20/1999CN2344848Y Combined all-insulated metal oxide lightning arrester
10/20/1999CN2344847Y Combined metal oxide lightning arrester with silicon rubber casing
10/19/1999US5969743 Thermal head
10/19/1999US5968419 Conductive polymer compositions, electrical devices and methods of making
10/13/1999EP0949639A1 High temperature PTC device and conductive polymer composition
10/13/1999CN1231759A System for protecting electric device against overheating
10/13/1999CN1231635A Method of making a laminate comprising a conductive polymer composition
10/12/1999US5966067 Thick film resistor and the manufacturing method thereof
10/07/1999WO1999050871A1 Hybrid circuit arrangement with a thermal release
10/07/1999WO1999050865A1 High voltage device, especially a surge diverter
10/07/1999DE19912851A1 Monolithic varistor for protecting electronic device from overvoltages
10/06/1999EP0946456A2 Passive electronic components from nano-precision engineered materials
10/06/1999CN2342448Y Electronic heater for raffinate
10/06/1999CN1231056A PTC thermistor
10/06/1999CN1231055A PTC thermistor device
10/06/1999CN1231054A Contact assembly for semiconductor resistors such as posistors
10/06/1999CN1045505C Protective device for surge current protection of associated equipment in communications systems
10/05/1999US5963423 Surface mountable electronic devices
10/05/1999US5963121 Resettable fuse
10/05/1999US5962108 Retroreflective polymer coated flexible fabric material and method of manufacture
10/05/1999US5961888 Organosilicon polymer and at least one filler. the filler comprises at least one high-melting electrically conductive component.
10/05/1999US5961808 An alloy film containing mainly nickel and phosphorus is formed by not an electroless plating process but an electrolytic plating process. film thickness of the formed alloy film of the middle part on the surface of the insulating
09/1999
09/30/1999WO1999049477A1 Surge diverter
09/30/1999WO1999049285A1 Sensor component
09/30/1999WO1999048810A1 Method for construction of nanotube matrix material
09/30/1999DE19813135A1 Überspannungsableiter Surge
09/30/1999CA2324370A1 Surge arrester
09/29/1999EP0944816A1 Electric resistance with at least two contact fields on a ceramic substrate and process for manufacturing the same
09/29/1999EP0761012B1 Surface-mounted fuse device
09/28/1999US5960014 Thin film resistor for optoelectronic integrated circuits
09/28/1999US5959823 Tank-type surge arrester
09/28/1999US5959822 Compact lightning arrester assembly
09/23/1999DE19909087A1 Sintered barium titanate semiconducting ceramic for electronic components
09/22/1999EP0943150A2 Electrical fuse
09/22/1999CN1229515A Resistance wiring board and method for manufacturing the same
09/21/1999US5955937 Rare earth metal-containing high-temperature thermistor
09/21/1999US5955936 PTC circuit protection device and manufacturing process for same
09/16/1999DE19810981A1 Switch with positive temperature coefficient or PTC element for improved current limiting and light arc quenching
09/15/1999CN1228397A Semiconducting ceramic and electronic element fabricated from the same
09/15/1999CN1045134C Circuit protector
09/14/1999US5953203 A support, a burried screen printed capacitor made from a dielectric selected from barium titanate and lead-magnesium niobiate, a silver conductor layer printed below and above the capacitor, an overlying green tape layer
09/14/1999US5952911 Thermistor chips and methods of making same
09/14/1999US5952040 Passive electronic components from nano-precision engineered materials
09/10/1999WO1999045551A2 Multilayer conductive polymer device and method of manufacturing same
09/10/1999WO1999033111A3 Thin-film component comprising a substrate with an elastic coating
09/08/1999CN2337697Y Organic compound isolate lightning device with space
09/08/1999CN2337652Y Three-phase combined metal oxide lightning arrester
09/07/1999US5948232 Method of manufacturing passive elements using conductive polypyrrole formulations
09/02/1999WO1999030334B1 Self-adjusting cables and method for making same
09/01/1999EP0939410A2 Thermistor manufacturing process and application of thermistor as current limiter
09/01/1999CN1227659A A stablilized polysilicon resistor and a method for manufacturing it
08/1999
08/31/1999US5945034 Organic positive temperature coefficient thermistor
08/31/1999US5943764 Method of manufacturing a surface-mounted fuse device
08/25/1999EP0938104A2 Resistor material, resistive paste and resistor using the resistor material, and multi-layered ceramic substrate
08/25/1999EP0937692A1 Barium titanate-base semiconductor ceramic
08/25/1999EP0879470A4 Over-voltage protection device and method for making same
08/25/1999CN1226733A Resistor element
08/24/1999US5942968 Overvoltage suppressor
08/24/1999US5940958 Method of manufacturing a PTC circuit protection device
08/19/1999WO1999041059A1 Joining method using a ptc polymer
08/19/1999DE19805650A1 Verbindungsverfahren unter Verwendung eines PTC-Polymers Connection method using a PTC-polymer
08/18/1999EP0936632A1 Resistor element
08/18/1999CN2334086Y PTC heating assembly for quilt warmer
08/17/1999US5939972 Positive temperature characteristic thermistor and thermistor element
08/17/1999US5939968 Electrical apparatus for overcurrent protection of electrical circuits
08/17/1999US5939344 Microwave dielectric porcelain composition
08/12/1999DE19827223C1 Resistive superconducting current limiter for use in alternating current supply networks
08/12/1999DE19804496A1 Electrical resistive heating element for heating medium flowing through body
08/11/1999CN2333070Y Cable protective layer protector
08/10/1999US5936826 Surge arrester
08/10/1999US5936825 Rise pole termination/arrestor combination
08/10/1999US5936824 Encapsulated MOV surge arrester for with standing over 100,000 amps of surge per doc
08/10/1999US5936513 Method of providing a resistance in an electrical circuit