Low temperature coefficient of resistivity cermet resistors

Details Low temperature coefficient of resistivity cermet resistors Low temperature coefficient of resistivity cermet resistors

1975-04-07

1977-02-01

Ansher, Harold

Stock material or miscellaneous articles

Composite

Of quartz or glass

252518, 338308, 428432, 428472, 428539, H01C 1706, H01B 108, B32B 1700

Patent

active

040062783

ABSTRACT:
Cermet resistors based on ruthenium dioxide and in some instances iridium dioxide have been found to have unusually low Temperature Coefficients of Resistivity (TCR) when a particular glass frit and a vanadium oxide additive are utilized. These unique resistors exhibit TCR's of less than .+-.25 ppm/.degree. C over -55.degree. to .+-.150.degree. C with the extremes of the TCR varying less than 20 ppm. The vanadium, iridium and ruthenium oxides can be used as such or derived from metal resinates.

REFERENCES:
patent: 3304199 (1967-02-01), Faber et al.
patent: 3450545 (1969-07-01), Ballard et al.
patent: 3573229 (1971-03-01), Herbst et al.
patent: 3679607 (1972-07-01), Angus et al.
patent: 3769382 (1973-10-01), Kuo et al.
patent: 3776772 (1973-12-01), Asada et al.
patent: 3827891 (1974-08-01), Larry
patent: 3916037 (1975-10-01), Brady et al.

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