Vitreous enamel material for electrical resistors and method of

Details Vitreous enamel material for electrical resistors and method of Vitreous enamel material for electrical resistors and method of

1977-09-26

1979-09-18

Padgett, Benjamin R.

Stock material or miscellaneous articles

Composite

Of quartz or glass

428428, 428433, 428539, 428328, 252513, 427101, 338308, H01B 102

Patent

active

041683447

ABSTRACT:
A material for a vitreous enamel electrical resistor includes a mixture of a glass frit and particles of nickel, iron and cobalt. The material is applied to a substrate and fired to melt the glass frit, and then cooled to form a layer of the glass with particles of an alloy of nickel, iron and cobalt embedded therein. The material provides a resistor having a high temperature coefficient of resistance and which can be self terminating.

REFERENCES:
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patent: 3484284 (1969-12-01), Dates et al.
patent: 3624007 (1971-11-01), Meyer
patent: 3794518 (1974-02-01), Howell
Kovar Alloy Handbook, Westinghouse Electric Corp., Blairsville, Pennsylvania, pp. 1-10.
Technical Data, Carpenter Vacumet Kovar (Nicoseal), Carpenter Technology, Carpenter Steel Division.
Product Guide, Review of Properties Alloys, Wilbur B. Driver Co., Newark, New Jersey.
Metals Handbook, Low-Expansion Alloys, American Society for Metals, Metals Park, Novelty, Ohio, vol. 1, 8th Ed., pp. 816-819.

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