Method of generating precious metal-reducing patterns

Details Method of generating precious metal-reducing patterns Method of generating precious metal-reducing patterns

1975-12-04

1976-10-26

Kendall, Ralph S.

Coating processes

Electrical product produced

Welding electrode

427 98, 427383R, 427304, 96 48R, 96 49, 96 88, 96 92, B44D 150, H05K 312, H05K 318

Patent

active

RE0290157

ABSTRACT:
A pattern capable of reducing thereon a precious metal is generated on a suitable substrate by first coating selected portions of the substrate with a solution, called a photopromoter, which contains a metal salt. The metal salt possesses two characteristics:

REFERENCES:
patent: 2154506 (1939-04-01), Hinman et al.
patent: 3183094 (1965-05-01), Cerwonka et al.
patent: 3192137 (1965-06-01), Dippel et al.
patent: 3259559 (1966-07-01), Schneble, Jr. et al.
patent: 3377174 (1968-04-01), Torigai et al.
Kosar, Light Sensitive Systems, John Wiley & Sons, 1965, "Inorganic Compounds," paragraph 1.3b, pp. 37-39.

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