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4806725 |
Circuit substrate and thermal printing head using the same
A circuit substrate, such as a thermal printing head, having electrodes made of a material suitable for soldering. The electrode to be soldered, at least in part, is composed of an alloy of Ni and...
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4792781 |
Chip-type resistor
A chip resistor having configuration and dimensions of high precision and capable of operating with high reliability. The chip resistor includes end electrodes deposited on both side end surfaces...
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4792840 |
Resistor integrated on a semiconductor substrate
The invention provides a resistor integrated on a semiconductor substrate and capable of withstanding high voltages. The integrated resistor is formed by a well of the opposite conductivity type...
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4777718 |
Method of forming and connecting a resistive layer on a pc board
A resistive element is formed on a printed circuit board using only printed circuit board fabrication techniques. A substrate having a bi-metallic cladding on one side of the substrate and a...
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4775850 |
Thick-film sensor, particularly a pressure sensor
In a thick-film pressure sensor comprising a support plate on at least one surface of which are deposited at least one thick-film resistor acting as a piezo-resistive transducer and at least one...
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4756756 |
Forming of thick-layer, hybrid electronic printed circuits
Thick-layer hybrid electronic printed circuits are formed by printing predetermined circuit pattern onto an insulating substrate by deposition of predetermined ink pattern thereupon, advantageously...
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4746838 |
Ink for forming resistive structures and display panel containing the same
An ink for use in forming resistive structures for use in a gas discharge display panel containing mercury vapor to inhibit cathode sputtering, the ink comprising a mixture of silver and nickel...
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4744246 |
Flow sensor on insulator
A flow sensor on a thermally insulating substrate is provided with improved thermal conductance and ruggedness to hostile environments. The flow sensor includes a pn junction temperature sensing...
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4734672 |
Variable resistor circuit module and method of manufacture
A variable resistor circuit module in which a printed substrate having sliding resistor patterns for variable resistor formed by printing a thick organic film and a copper foil printed substrate...
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4733056 |
Heater backed with a ceramic substrate
A heater backed with a ceramic substrate having a ceramic substrate as a base plate and heating element formed thereon, which comprises a conductor for retaining ionized elements, said conductor...
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4731509 |
Electrical assembly having multiple slidable elements
A multi-slider electrical assembly includes a plurality of electrical devices slidable on conductive patterns printed on a single substrate structure. The substrate structure consists of a first...
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4728534 |
Thick film conductor structure
In one embodiment of the present invention a thick film resistor structure comprising common materials is disclosed. The structure includes a supporting carrier as a base for the thick film...
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4725925 |
Circuit board
A circuit board including resistors on one surface of a board or substrate having through hole conductors arranged in a lattice like fashion. At least one electrode is formed on a surface of the...
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4721845 |
Electrically heatable vehicle glass pane
In an electrically heatable automobile glass pane with heating conductors printed onto and baked into a surface, which conductors are connected to printed-on and baked-in collecting conductors,...
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4719441 |
Sensor for measuring electrical conductivity
At least two electrodes (1, 2) each provided with at least one lead (5) are applied in the form of conductor tracks to a substrate. The leads (5) can be made of a material having a lower standard...
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4703302 |
Resistance ladder network
A plurality of resistors connected in a ladder format and disposed in parallel with each other. Each of the resistors has a resistance part and two mutual connection ends connected to the...
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4697165 |
Ceramic heater and a method of manufacturing the same
The cermaic heater includes an elongated plate-like ceramic substrate, a resistance heating element arranged on the ceramic substrate and a pair of conductive lead members extending from the...
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4695853 |
Thin film vertical resistor devices for a thermal ink jet printhead and methods of manufacture
The specification describes thermal ink jet (TIJ) processes and device structures produced thereby wherein either heater resistors or heater resistor-diode combinations are constructed vertically...
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4691188 |
Circuit board
A circuit board that can be manufactured economically and reliably comprises first and second insulating films and an electrically conductive heat-seal film. Circuit patterns of first and second...
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4682143 |
Thin film chromium-silicon-carbon resistor
An improved thin film resistor material is disclosed which comprises a chromium-silicon-carbon material containing from about 25 to 35 wt. % chromium, about 45 to 55 wt. % silicon, and about 20 to...
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4670734 |
Method of making a compact, high-voltage, noninductive, film-type resistor
A method of making a high-voltage, noninductive, film-type resistor by providing on an insulating substrate a coating of resistive material. A laser beam is then operated to cut through the coating...
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4667518 |
Sensor circuit
A high density miniature sensor circuit useful for measuring pressure changes in a fluid in a closed chamber, comprising a high density of resistor segments gapped about 0.002 inches and conductors...
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4658235 |
Keyboard printed circuit film and method of fabrication
A plurality of switching points are connected in groups to respective teral contact points via conductor strips on a keyboard printer circuit film. In order to achieve suppression of the coupling...
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4647877 |
Broadband signal termination apparatus comprising series cascade of resistors and transmission lines
A signal termination device is illustrated using planar circuit technology for providing both broadband capabilities from DC to over ten gigahertz while maintaining small size and high power...
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4595485 |
Limiting electric current type oxygen sensor
A limiting electric current type oxygen sensor comprising a first electrode of a gas-permeable film, a thin solid electrolyte film which is crystallized along one direction to decrease resistance...
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4560583 |
Resistor design system
Disclosed is a method of forming a precision integrated resistor element on a semiconductor wafer whose resistance value accurately corresponds to its nominal design value. The method comprises...
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4534814 |
Large-scale printhead for non-impact printer and method of manufacture
A large-scale printhead is made up of rows of styli patterned onto thin glass substrates sandwiched together between rugged support substrates, in which a series of thin glass substrate sections...
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4510036 |
Limiting electric current type oxygen sensor with heater and limiting electric current type oxygen concentration detecting device using the same
The invention provides a limiting electric current type oxygen sensor with a microheater, having: an oxygen ionic conductor; an anode and a cathode respectively formed on two major surfaces of the...
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4500865 |
Fluid leakage detecting element
A fluid leakage detecting element comprises a heat generating resistive member and a temperature compensating resistive member disposed on a substrate. Each of the resistive members is prepared in...
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4487680 |
Planar ZrO.sub.2 oxygen pumping sensor
A planar oxygen pumping device (10) has a first and second oxygen ion conductive solid electrolyte material layer (12, 18). A first electrode (16) is between, and in contact with, the first...
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4464420 |
Ceramic multilayer circuit board and a process for manufacturing the same
A ceramic multilayer circuit board is provided by sintering a multilayer wiring substrate containing alumina as a main component, which was prepared by the green sheet process, nickel plating and...
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4464421 |
Glass frits containing WO.sub.3 or MoO.sub.3 in RuO.sub.2 -based resistors
This invention is concerned with the fabrication of thick film, RuO 2 -based resistors. More specifically, this invention is directed to the formulation of glass frits for use in such resistors...
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4463337 |
Temperature measuring sensors and methods for adjusting same
Methods for adjusting the resistance of temperature measuring sensors are disclosed, including measuring the resistance for a first heat-sensitive portion of the sensor at a first predetermined...
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4460624 |
Process for the manufacture of thick layer varistors on a hybrid circuit substrate
The invention relates to a process for the manufacture of non-linear resistors (varistors) from thick-layer ceramic material, in particular on a hybrid circuit substrate, or any other device...
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4418474 |
Precision resistor fabrication employing tapped resistive elements
Thin film resistors (FIG. 1) are produced on flexible tape 1 to provide at low cost a very wide range of precision resistors having low inductance. A reel of tape 70 coated with resistive material...
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4410874 |
Large area hybrid microcircuit assembly
A ceramic substrate includes a multiplicity of alternately screened and fired conductor and dielectric levels, with interconnections between levels through small via holes in the dielectric layers...
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4368252 |
Printed circuit substrate with resistance elements
In a printed circuit substrate incorporating a resistor pattern film and a conductor pattern film are formed on the two surfaces of a high conductive material layer such as a copper foil,...
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4350741 |
Resistor elements
Resistor elements made by co-molding of film-resistors comprising conductive powder and polyimide resin and a diallyl isophthalate substrate containing more than 500 ppm inhibitors have good...
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4323726 |
Electrical bus bar assembly
An electroconductive laminated window having an electroconductive coating applied to one interior substrate surface with a pair of bus bars electrically connecting a source of electrical potential...
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4316942 |
Thick film copper conductor circuits
A method for producing a thick film circuit (30) including a copper conductor pattern (19), thereby obviating the need for expensive precious metal compositions. In the process, a fritted copper...
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4311980 |
Device for pressure measurement using a resistor strain gauge
A pressure measurement device and a method for making it are disclosed. A plurality of thick-film resistors are screen-printed onto a deformable substrate, after which they are preferably fired....
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4310812 |
High power attenuator and termination having a plurality of cascaded tee sections
An attenuator and termination having a relatively flat frequency response r attenuating and dissipating electrical energy is comprised of a plurality of cascaded tee attenuator sections formed on a...
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4282507 |
Measurement of temperature
This invention relates to devices for measuring temperature; more particularly it relates to temperature sensing devices operating at high temperature. It is an object of this invention to overcome...
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4267634 |
Method for making a chip circuit component
The present method and device provides that a thickness of wet ceramic material is laid down and partially dried to provide a base. This step is followed by screen printing one or more patterns of...
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4227039 |
Thin-film microcircuit board
Deposited on a glass or ceramic substrate for a thin-film microcircuit board such as a hybrid IC board or a transparent electrode is a thin-film laminate, which comprises a dispersion metal...
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4220944 |
Resistance transducer with a non-linear characteristic curve
A resistance transducer with a non-linear characteristic curve, which transmitter has a resistance track with a variable cross-section on an insulating carrier and a slider engaging on the...
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4216444 |
Step adjustable attenuator
A step adjustable attenuator comprising a silicon substrate on one face of which are deposited thin film-type resistors and electrical conductors by which the resistors are interconnected. Contact...
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4204107 |
Thick-film thermal printing head and method of manufacturing the same
A thermal printing head which effects printing on thermally sensitive paper with Joule's heat generated by passing a current through a thick-film resistor is featured by the surface configuration...
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4150280 |
High efficiency free expansion foil heating element
A flat plate surface heating unit or cooktop having a solid utensil-supporting plate that is heated by a resistive foil heating element that is bonded to a flexible, ceramic fiber paper substrate...
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4146957 |
Thick film resistance thermometer
A folded, highly pure platinum, thick film, path on a ceramic cylindrical substrate provides a high TCR of about 3850 ppm/° C. The path is applied by screen printing a thick film paste onto a...
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