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