Film resistor having a reduced temperature coefficient of resist

Details Film resistor having a reduced temperature coefficient of resist Film resistor having a reduced temperature coefficient of resist

1977-04-29

1979-03-20

Esposito, Michael F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428428, 428432, 428433, 428446, 428539, 427102, 427103, 427248A, 427248B, 427248J, 338308, 338309, 338262, 29613, 29619, H01C 1034, H01C 7102

Patent

active

041454707

ABSTRACT:
In a film resistor comprising a substrate of insulative material and a film of Cermet formed as resistance material on the substrate, a protective film of insulative material is formed on the surface of the film of Cermet to reduce the temperature coefficient of resistance of the film resistor. The protective film is formed of magnesium fluoride.

REFERENCES:
patent: 2761945 (1956-09-01), Colbert et al.
patent: 3203830 (1965-08-01), Ostrander et al.
patent: 3356982 (1967-12-01), Solow
patent: 3380156 (1968-04-01), Lood et al.
patent: 4038517 (1977-07-01), Nelson

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