Electric heating – Metal heating – By arc
Patent
1984-01-30
1986-01-07
Albritton, C. L.
Electric heating
Metal heating
By arc
29610R, 338195, B23K 2600
Patent
active
045635641
ABSTRACT:
A resistor formed by a film of resistive material deposited on a dielectric substrate is trimmed by removing resistive material along a line such that the film is divided into at least two discrete areas, one, and only one, of which areas includes two terminal portions of the film.
REFERENCES:
patent: 3947801 (1976-03-01), Bube
patent: 4146673 (1979-03-01), Headley
patent: 4184062 (1980-01-01), Schmidt
patent: 4352005 (1982-09-01), Evans et al.
patent: 4403133 (1983-09-01), Turner et al.
Ericsen Bret
Hastings John C.
Jansen Scott
Murphy Desmond L.
Albritton C. L.
Smith-Hill John
Tektronix Inc.
Winkelman John D.
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