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5045870 |
Thermal ink drop on demand devices on a single chip with vertical integration of driver device
This application discloses a novel method to integrate thermal drop on demand ink jet devices and related pulse driver circuitry for chips used in thermal ink jet printers. This integrated...
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5041191 |
Diffusion barrier for thin film hybrid circuits
A thin film resistor and method of making employs tungsten or tungsten titanium alloy as an alectrically conductive diffusion barrier between the nickel chromium resistor and the gold conductor. A...
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5039570 |
Resistive laminate for printed circuit boards, method and apparatus for forming the same
A relatively large dimensioned sputter coated resistive laminate providing uniform laminate dimensions and resistance tolerances over the surface area thereof and a method for making the laminate...
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5039840 |
Method of producing electrical heating elements and electrical heating elements so produced
A method of forming an electrical heating element in the form of an electrically non-conductive supporting body onto which an electrically resistive material is deposited, the method comprising the...
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5023589 |
Gold diffusion thin film resistors and process
A low-resistance nickel-chromium-based thin film resistor and method for forming same. A nickel-chromium alloy film is coated on at least one side with a layer of gold, the resulting gold-coated...
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5021867 |
Refractory resistors with etch stop for superconductor integrated circuits
This is a structure of, and method for preparation of, molybdenum resistors in a superconductor integrated circxuit. It utilizes a pattern superconductor film; applying a titanium film on the...
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5019885 |
Gas detecting device
A gas detecting device includes a substrate and a plurality of gas sensitive elements supported by the substrate. A plurality of predetermined temperatures at which gases are detected are provided....
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5006421 |
Metalization systems for heater/sensor elements
Device comprising a substrate and a metallized sensor/heater element having a temperature coefficient of resistance of at least 2000 parts per million. Methods of fabricating the devices are also...
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5000662 |
Flat resistance for blower control unit of automobile air conditioner
A flat resistance for a blower control unit of an automobile air conditioner, and a blower control unit using the same. The flat resistance includes: a porcelain enameled metallic substrate...
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5001454 |
Thin film resistor for strain gauge
A thin film resistor for a strain gauge prepared by physical or chemical vapor deposition. The resistor contains 60 to 98 atomic % of chromium, 2 to 30 atomic % of oxygen, and 0 to 10 atomic % of a...
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4999602 |
Resistor for audio/video signal circuit
A highly accurate resistor for audio/video signal circuits is disclosed, and includes a substantially cylindrical substrate composed of dielectric material, such as ceramics, and a film layer of...
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4994783 |
Electronic device fabrication on non-conductive polymer substrate
A process for fabricating an electronic device on a non-conductive polymer substrate, particularly from the family of polyaniline, comprises applying a covalent doping agent, such as an R + donor...
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4992772 |
Metal oxide film resistor
A two-layered metal oxide film resistor having a ceramic substrate which has on its surface a first thin (0.1-5 μm) metal oxide film that is based on tin oxide and which has a minor proportion of...
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4990744 |
Under floor covering heating systems
An under floorcovering heating systems for positioning below a floorcovering is provided. The systems include pads having a heat conducting substrate within which is positioned solid conductor...
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4983993 |
Thermal recording head
A thermal recording head comprises at least one set of a heat-generating resistance layer and at least one pair of electrodes connected electrically to said heat-generating resistance layer formed...
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4980702 |
Temperature control for an ink jet printhead
In a printhead die-bonded to a substrate, a recess, in a preferred embodiment, is formed in the substrate and layers of resistive material separated by a dielectric layer are formed in the recess...
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4979019 |
Printed circuit board with inorganic insulating matrix
A printed circuit board has a base made from fibers (e.g., ceramic) and an inorganic coating (e.g., silicon carbide) covering the fibers to provide the base with inorganic properties. The base may...
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4965594 |
Liquid jet recording head with laminated heat resistive layers on a support member
A liquid jet head having: a discharge port for discharing liquid; a liquid path communicating with the discharge port; and a plurality of electro-thermal converting elements for generating thermal...
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4963195 |
Electric resistor and a power detector both comprising a thin film conductor
The electric resistor of this invention is comprised of a Si-Ge alloy thin film containing amorphous and microcrystal phases which serve as an electric resistance, thereby keeping the resistance...
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4961065 |
Fail-safe resistor
An electrical resistor is formed upon the substrate. The substrate is laser scribed, preformed, or notched in such a way as to control accurately the breakage of the substrate dependent upon the...
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4949065 |
Resistor composition, resistor produced therefrom, and method of producing resistor
A resistor composition containing no boride powder is obtained by mechanical grinding of at least one of silicon, silicon monoxide and higher oxidation state precursor of silicon monoxide; and a...
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4940959 |
Reversible resistant device
A reversible resistant device having the property of being normally non-conductive, but being adapted to being converted to the conductive state. This change in conductive state is achieved by...
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4938997 |
Process for making hybrid microcircuits providing accurate thick film resistor printing
An improved process for fabricating thick film hybrid microcircuits that produces thick film resistors having electrical characteristics consistent with the microcircuit design tolerances, in areas...
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4931763 |
Memory switches based on metal oxide thin films
MnO 2 -x thin films (12) exhibit irreversible memory switching (28) with an "OFF/ON" resistance ratio of at least about 10 3 and the tailorability of "ON" state (20) resistance. Such films are...
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4931764 |
Low wear resistor card for use in a liquid fuel sender circuit
A resistor card for a fuel tank level sensor configured to reduce wear between an electrical contact wiper and metalized conductor pads formed on a substrate, by the deposition of thick film...
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4929923 |
Thin film resistors and method of trimming
A resistor having a first portion of a high resistivity material and a second portion of a low resistivity material and laser trimming the low resistivity material portion.
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4928102 |
Flash analog-to-digital converter with logarithmic/linear threshold voltages
A plurality of equally spaced terminals may be disposed at a side edge of a substantially uniformly resistive thin film. A reference potential (e.g. ground) may be applied to the second side of the...
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4918288 |
Electrical lead arrangement for a heatable transparency
A heated transparency is provided with first and second bus bars along opposing edges of a transparency interconnected by an electroconductive coating. The bus bars and coating are applied to the...
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4912306 |
Electric resistance heater
An electrical heater including a semi-conductor pattern (e.g., colloidal graphite ink) printed on a substrate. A conductive ink (e.g., a silver ink) is deposited on the semi-conductor pattern. The...
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4910380 |
Vehicle window with black obscuration band incorporating a black electrically conductive coating-deposited heating element
A motor-vehicle window comprises a glass pane having an outer edge and a peripheral black obscuration band extending around the pane edge and leaving a central portion of the pane clear and...
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4910492 |
Electric laminar resistor and method of making same
An electric laminar resistor and the method of making same wherein a thin metal film is applied to a ceramic substrate. Metal film material is removed to form a resistance track and recessed...
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4908599 |
Temperature-sensitive resistance element
A temperature-sensitive resistance element comprises an alumina substrate having terminals and a sinuous temperature-sensitive resistance layer thereon. The layer and terminals are formed of...
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4906968 |
Percolating cermet thin film thermistor
A cermet thin film resistor having small particles of a refractory metal embedded in a ceramic insulator at compositions near the percolation transition. The cermets are produced by co-deposition...
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4905020 |
Thermal print head
A thermal print head comprising a sequential laminated arrangement of an insulating substrate, a heating resistance layer, an electrode layer formed in a predetermined pattern, and a protective...
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4901052 |
Resistor network having bi-axial symmetry
A resistive network formed on a substrate includes film resistors formed of resistive elements, each element having a plurality of portions symmetrically disposed relative to two axes of symmetry....
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4897628 |
Gas sensor and method of manufacturing the same
A gas sensor using an n-type metal oxide semiconductor and a method for manufacturing such a gas sensor is provided. More particularly, a gas sensor for detecting an inflammable gas and a method...
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4889974 |
Thin-film heating element
A thin-film heating element is formed of a temperature-stable, electrically insulating substrate having a thin, electrically conductive metal oxide film which is doped with foreign atoms which...
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4888574 |
Circuit board material and method of making
An improved multilayered circuit board material and process for making that material is disclosed. The material includes an insulating material support layer, an electrical resistance material...
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4888089 |
Process of making an electrical resistance device
An electrical resistance device includes a conductive metal pattern carried on an insulating surface. A portion of the conductive metal pattern includes a two-dimensional array of areas devoid of...
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4870388 |
Heat-generating resistor and heat-generating resistance element using same
A heat-generating resistor having a functional thin film comprising an amorphous material containing halogen atoms in a matrix of carbon atoms formed on a substrate.
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4868537 |
Doped SiO.sub.2 resistor and method of forming same
The concept of enhancing conduction through SiO 2 by implanting ions of cesium (Cs) into the SiO 2 is applied to the formation of a resistor in an integrated circuit. By implanting Cs ions into a...
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4859980 |
Apparatus and method for providing improved resistive ratio stability of a resistive divider network
A resistor divider network is disclosed having two or more thin or thick film resistive elements deposited on a substrate. Each of the resistive elements is divided into a number of resistive...
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4859836 |
Melt-shapeable fluoropolymer compositions
Melt-shapeable polymeric compositions comprising a first fluoropolymer of relatively low crystallinity, e.g. a copolymer of tetrafluoroethylene and a perfluorinated comonomer, and a second...
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4859835 |
Electrically resistive tracks
A heating element comprises an electrically resistive track intended to be formed on an electrically insulative substrate. A heating unit comprises a heating element and a temperature sensor on a...
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4859981 |
Electrical resistor device
The present device is an electrical resistor component which includes a cylindrical substrate of non-electrical conducting material. A meandering path (strongly resembling a plurality of hairpins...
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4857384 |
Exothermic conducting paste
Disclosed are an exothermic conducting paste mainly comprising a synthetic resin and a heat stable metal oxide which is positive in temperature coefficient of electric resistance and has an...
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4849611 |
Self-regulating heater employing reactive components
Novel electrical heater which are self-regulating as a result of appropriate combination of a constant current or constant voltage power source with a resistive heating component and a...
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4845339 |
Thermal head containing an insulating, heat conductive layer
A thermal head in which a glazed layer, an undercoat layer, an electric power supply conductor layer and a protection layer are successively laminated on the surface of an insulating substrate,...
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4839960 |
Method of manufacturing circuit component such as stator for variable resistor
A stator for a variable resistor, manufactured by a step of preparing a heat resistant film of polyimide, a step of preparing a transfer sheet by providing a resistor film containing carbon powder...
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4835508 |
Zinc oxide type lightning-conducting element
A zinc oxide lightning-conducting element is disclosed which includes a metal oxide sintered body mainly composed of zinc oxide, and electrodes which consist of metal vapor-deposited films provided...
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