Electrical resistor and method of producing same

Details Electrical resistor and method of producing same Electrical resistor and method of producing same

1973-02-26

1976-05-18

Pitlick, Harris A.

Stock material or miscellaneous articles

Composite

427101, 427249, 427252, C23C 1100, C23C 1102

Patent

active

039580717

ABSTRACT:
A resistor comprising a layer of material disposed on a substrate which layer contains a metal component which can be either a pure metal or a metal alloy and which has carbon inserted therein to vary the specific resistance and the temperature coefficient of the electrical resistance. The method of producing the resistor comprises providing a metal-organic compound such as nickel acetylacetonate which is evaporated and carried by a carrier gas, such as hydrogen or ammonia, to a heated substrate. When the vaporized metal-organic compound contacts the heated substrate it decomposes to provide a layer having a metal component with carbon inserted in the component. By controlling the temperature of the heated substrate and by controlling the pressure of the carrier gas, the volume percent of carbon inserted into the metal component when forming the layer can be controlled to vary both the specific resistance of the layer and the temperature coefficient of the electrical resistance.

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patent: 3188230 (1965-06-01), Bakish et al.
patent: 3669724 (1972-06-01), Brand
vapor Deposition, Powell et al. Ed., John Wiley & Sons, Inc., New York, 1966, pp. 352-355, 358, 488-489.

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