Metal oxide film resistor

Details Metal oxide film resistor Metal oxide film resistor

1989-03-13

1991-02-12

Reynolds, Bruce A.

Electrical resistors

With base extending along resistance element

Resistance element coated on base

338309, H01C 1012

Patent

active

049927728

ABSTRACT:
A two-layered metal oxide film resistor having a ceramic substrate which has on its surface a first thin (0.1-5 .mu.m) metal oxide film that is based on tin oxide and which has a minor proportion of at least one auxiliary component selected from iron, indium, nickel, phosphorus, zinc, cadmium and antimony, and a second thin (0.003-1 .mu.m) metal oxide film superposed on the first film that is also based on tin oxide but which contains a minor proportion of at least one auxiliary component selected from antimony, nickel, chromium, fluorine, phosphorus, arsenic, iron, manganese, barium, bismuth, cobalt, zinc, copper, boron, cadmium and vanadium.

REFERENCES:
patent: 2662957 (1953-12-01), Eisler
patent: 2920005 (1960-01-01), Dearden
patent: 3217281 (1965-11-01), Griest et al.
patent: 4091144 (1978-05-01), Dresner et al.
patent: 4215020 (1980-07-01), Wahlers et al.
patent: 4540463 (1965-09-01), Kakuhashi et al.
patent: 4737757 (1988-04-01), Senda et al.
patent: 4756756 (1988-07-01), Cassat

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