Conductive metal pigments

Details Conductive metal pigments Conductive metal pigments

1976-07-19

1978-03-14

Kendall, Ralph S.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

252500, 252503, 252512, 252513, 106290, 427102, B05B 512, H01B 102, H01B 104

Patent

active

040791564

ABSTRACT:
Conductive metal pigments which may be used in electrical devices are prepared by forming an alloy of a non-noble conductive metal and at least one oxidizable material, mixing the resulting alloy with a vitreous frit and an organic vehicle to form an ink, screening said ink onto a substrate, firing the alloy in an air atmosphere at a temperature in excess of about 500.degree. C. and cooling the ink to produce a conductive pigment. The oxidizable material is preferentially oxidized during the firing with a concomitant non-oxidation of the non-noble conductive metal.

REFERENCES:
patent: 2795680 (1957-06-01), Peck
patent: 2993815 (1961-07-01), Treptow
patent: 3184835 (1965-05-01), Coxe et al.
patent: 3381255 (1968-04-01), Youmans
patent: 3647532 (1972-03-01), Friedman et al.
patent: 3663276 (1972-05-01), Allington
patent: 3711428 (1973-01-01), Aycock
patent: 3794518 (1974-02-01), Howell
patent: 3811906 (1974-05-01), Short et al.
patent: 3843379 (1974-10-01), Daiga
patent: 3969278 (1976-07-01), Aksenov

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