Patents
Patents for H01C 17 - Apparatus or processes specially adapted for manufacturing resistors (6,327)
10/1989
10/12/1989DE3811045A1 Process for preparing electroconductive sintered layers
10/11/1989EP0336497A1 Method of manufacturing a chip resistor
10/10/1989US4873508 Variable resistance thermal protector and method of making same
10/05/1989WO1989009496A1 Electrically resistive material for electrothermal transducers produced by thin-film technology
10/05/1989DE3809821A1 Device for producing film resistors, and a method for controlling this device
10/04/1989EP0335634A2 Integrated circuit incorporating a voltage detector circuit
10/03/1989US4870746 Method of making a multilayer printed circuit board having screened-on resistors
09/1989
09/27/1989EP0334473A2 Method of making a film-type resistor
09/27/1989EP0333914A1 Process for preparing the outer plastic envelope of a tubular carrier and device for carrying the out the process
09/26/1989US4870472 Method for resistor trimming by metal migration
09/19/1989US4868537 Containing cesium; enhanced conduction
09/19/1989US4868007 Method and apparatus for forming a thick film integrated circuit
09/13/1989CN1035590A Sleeve arrangement for hermetic terminal assembly
09/12/1989US4866411 Film-type cylindrical resistor, and method of making it
09/06/1989EP0331022A2 Radiation induced pattern deposition
09/05/1989US4864273 Variable resistor
09/05/1989US4864106 Heating resistor
09/05/1989CA1258981A1 Method for forming a platinum resistance thermometer
08/1989
08/30/1989EP0330210A2 Resistive metal layers and method for making same
08/23/1989CN2043411U 电阻组合机 Resistor combination machine
08/22/1989US4859981 Electrical resistor device
08/22/1989US4859498 Chip component holding plate
08/16/1989EP0327860A1 Electrical component of the chip type, and method of making the same
08/16/1989EP0327828A2 Resistance masses for firing under nitrogen
08/16/1989CN2042998U Improved resistor classification plate
08/16/1989CN1034822A Production method of zinc oxide resistor chip
08/15/1989US4857384 Mixtures of heat resistant resins, oxides of vanadium and/or chromium; for heating elements with uneven or curved surfaces
08/09/1989EP0327078A2 Trimming resistor network
08/09/1989CN2042621U Improved resistor material testing machine
08/02/1989EP0326212A1 Chip resistor and method of manufacturing a chip resistor
08/02/1989EP0325660A1 Method of heat treatment of low melting -point metal
08/01/1989US4853671 Electric laminar resistor and method of making same
07/1989
07/26/1989EP0325234A2 Trimming element for microelectronic circuit
07/26/1989CN1034228A Tinning system for axial and radial leaded components
07/19/1989EP0324555A2 Substrate for hybrid IC, hybrid IC using the substrate and its application
07/19/1989EP0324407A2 Trimming process by a laser beam
07/19/1989CN1034107A High power electrothermal convertor and processing technique thereof
07/18/1989US4849251 Method of manufacturing an electric resistance element
07/12/1989EP0323827A2 Electronic electrothermal conversion material, its products and method for production thereof
07/11/1989US4845839 Method of making a resistive element
06/1989
06/28/1989EP0322211A2 Highly densified voltage non-linear resistor and method of manufacturing the same
06/27/1989US4842654 Free-falling through temperature gradients oils; speres
06/27/1989US4841626 Process for forming nonlinear resistance tracks
06/21/1989EP0320824A2 Glaze Resistor
06/20/1989US4841275 Thick-film integrated circuit device capable of being manufactured by means of easy-to-perform trimming operation
06/20/1989US4840494 Calibrated temperature sensor and method of calibrating same
06/20/1989US4839960 Method of manufacturing circuit component such as stator for variable resistor
06/14/1989EP0320196A2 Voltage non-linear type resistors
06/14/1989EP0320192A2 Thin film device for an ink jet printhead and process for manufacturing same
06/14/1989CN2039450U Improved locating device of discharge guide of resistor-feeding plate
06/07/1989CN2039053U Resistor winding machine
06/06/1989US4837550 Alloy containing rare earth and transition metal elements
06/06/1989US4837548 Electric resistor designed for use as an electric conducting element in an electric circuit, and relative manufacturing process
05/1989
05/30/1989US4835511 Quasifixed variable resistor
05/24/1989CN1004310B Thick film resistor compositions
05/18/1989DE3737929A1 Apparatus for introducing or removing parts into or out of a belt arrangement, especially for use in the machining and/or processing of electrical components
05/17/1989EP0316015A2 Material for resistor body and non-linear resistor made thereof
05/09/1989US4829553 Chip type component
05/03/1989EP0314150A2 Rotary potentiometer
05/02/1989US4827222 Input offset voltage trimming network and method
05/02/1989US4825536 Method for fabricating electronic circuit board
05/02/1989US4825535 Method of manufacturing a resistor element
05/02/1989CA1253628A1 Hybrid and multi-layer circuitry
04/1989
04/25/1989US4824694 Cermet resistive element for variable resistor
04/19/1989EP0311813A2 Pressure-sensitive electric resistor, and manufacturing process
04/18/1989US4823106 Tape element and methods, for heating, pressure measurement and circuit fabrication
04/18/1989US4823073 Sensor for measuring the current or voltage of electrically conductive layers present on a reference substrate
04/18/1989US4822638 Electronic device fabrication on non-conductive polymer substrate
04/12/1989EP0311393A2 Tinning system for axial and radial leaded components
04/06/1989WO1989002212A3 Improved circuit board material and electroplating bath for the production thereof
03/1989
03/23/1989WO1989002697A1 Induced metallization process by way of dissociating aluminum nitride ceramic
03/23/1989WO1989002647A1 Electrical resistance element of molybdenum disilicide type
03/22/1989EP0308306A1 PTC thermistor for surface mounting
03/22/1989EP0307977A2 Molded resin casing of electronic part with flat cable
03/21/1989US4814107 Nitrogen fireable resistor compositions
03/14/1989US4811479 Process for producing potentiometer resistances
03/09/1989WO1989002212A2 Improved circuit board material and electroplating bath for the production thereof
03/08/1989EP0306271A1 Thick film paste compositions for use with an aluminum nitride substrate
03/07/1989US4809428 Thin film device for an ink jet printhead and process for the manufacturing same
02/1989
02/28/1989US4808967 Circuit board material
02/22/1989EP0304112A2 Molded resin casing of electronic part incorporating flexible board
02/21/1989US4806900 Thermistor and method for producing the same
02/21/1989US4805296 Method of manufacturing platinum resistance thermometer
02/21/1989CA1250155A1 Platinum resistance thermometer
02/14/1989CA1250054A1 Process for manufacturing thick-film electrical components
02/14/1989CA1249954A1 Method of manufacturing a device having an electric resistance layer and the use of the method
02/07/1989US4803457 Compound resistor and manufacturing method therefore
02/02/1989EP0224572A4 Circuit board material and process of making.
02/01/1989EP0301662A1 A method of making a long narrow opening in a layer of electrically conductive material on a carrier of a synthetic resin material
01/1989
01/31/1989US4801469 Process for obtaining multiple sheet resistances for thin film hybrid microcircuit resistors
01/31/1989CA1249432A1 Resistor compositions
01/25/1989EP0300517A2 Machine for shaping undulations in resistance wire
01/17/1989CA1248749A1 Resistor compositions
01/11/1989CN2030751U Fiberglass core wire risistor production line
01/10/1989US4796356 Printing precious metal resistors terminals on dielectric substrate, firing and drying
01/03/1989US4795881 Curved electrical components and laser trimming thereof
01/03/1989US4795658 Method of metallizing ceramic material
12/1988
12/27/1988US4794367 Circuit arrangement
12/21/1988EP0295446A2 Method of production of an electrical contact
12/20/1988US4792781 Chip-type resistor
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