Thin film chromium-silicon-carbon resistor

Details Thin film chromium-silicon-carbon resistor Thin film chromium-silicon-carbon resistor

1985-10-30

1987-07-21

Albritton, C. L.

Electrical resistors

With base extending along resistance element

Resistance element and/or terminals printed or marked on base

156601, 20419221, 252503, 252512, 338308, 420588, 427102, 428901, H01C 1012

Patent

active

046821430

ABSTRACT:
An improved thin film resistor material is disclosed which comprises a chromium-silicon-carbon material containing from about 25 to 35 wt. % chromium, about 45 to 55 wt. % silicon, and about 20 to 30 wt. % carbon. The resistor material is further characterized by a resistivity of greater than about 800 ohms per square to less than about 1200 ohms per square, a temperature coefficient of resistance of less than 160 ppm per degree Centigrade, and a lifetime stability of less than 0.1% change in resistivity. In the preferred embodiment, the resistor material contains 31 wt. % chromium, 46 wt. % silicon, and 24 wt. % carbon.

REFERENCES:
patent: 4343986 (1982-08-01), Mitani et al.
patent: 4392992 (1983-07-01), Paulson et al.
patent: 4414274 (1983-11-01), Hieber
patent: 4460494 (1984-07-01), Abe et al.
patent: 4517444 (1985-05-01), Kawahito et al.
patent: 4520342 (1985-05-01), Vugts
patent: 4569742 (1986-02-01), Schuetz
patent: 4591821 (1986-05-01), Paulson et al.
patent: 4600658 (1986-07-01), Anderson et al.

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