Thick film low-end resistor composition

Details Thick film low-end resistor composition Thick film low-end resistor composition

1990-05-23

1992-03-17

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Free metal containing

252518, 524439, 524434, H01B 106

Patent

active

050966197

ABSTRACT:
A thick film low-end resistor composition comprising an admixture of finely divided particles of (a) silver, palladium, an alloy of palladium and silver, or mixtures thereof; (b) an admixture of (1) glass having a softening point of 350.degree. to 500.degree. C., which when molten is wetting with respect to the other solids in the composition, and (2) glass having a softening point of 550.degree. to 650.degree. C.; and (c) 5-20% by volume, basis total solids, of sub-micron particles of RuO.sub.2, all of (a) through (c) being dispersed in (d) an organic medium.

REFERENCES:
patent: 4160227 (1979-07-01), Ikegami et al.
patent: 4347166 (1982-08-01), Tosaki et al.
patent: 4414143 (1983-11-01), Felten
patent: 4418009 (1983-11-01), Holmes et al.
patent: 4476039 (1984-10-01), Hormadaly
patent: 4503090 (1985-03-01), Brown et al.
patent: 4517545 (1985-05-01), Merz
patent: 4552691 (1985-11-01), Shoji et al.
patent: 4561996 (1985-12-01), Holmes et al.
patent: 4574055 (1986-03-01), Asada et al.
patent: 4587040 (1986-05-01), Tosaki et al.

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