Additive method of manufacturing metal patterns on synthetic res

Details Additive method of manufacturing metal patterns on synthetic res Additive method of manufacturing metal patterns on synthetic res

1979-06-21

1981-03-31

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making electrical device

430315, 430324, 430406, 430414, 430494, G03C 500

Patent

active

042594359

ABSTRACT:
Additive method of manufacturing metal patterns on synthetic resin substrates, printed circuits in particular. A nuclear image of a desired pattern is obtained by means of a salt of a metal which may occur in more than one valency and a noble metal salt by inactivating the substrate area outside the desired pattern by photo-oxidation by means of exposure to light in the presence of oxygen. The ultimate metal pattern is deposited by electroless metal deposition on the nuclear image.

REFERENCES:
patent: 3562005 (1971-02-01), De Angelo et al.
patent: 3772078 (1973-11-01), Polichette et al.
patent: 3801320 (1974-04-01), Erickson
patent: 4112139 (1978-09-01), Shirk et al.
Feldstein, Selective Electroless Plating Techniques: A Survey, RCA Laboratories, Princeton, N.J., Aug., 1970.

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