G - Physics – 03 – F
Patent
G - Physics
03
F
96/247, 96/267,
G03F 1/00 (2006.01) H05K 3/10 (2006.01) H05K 3/18 (2006.01)
Patent
CA 1141224
13-06-79 PHN.9172 ABSTRACT: "Additive method of manufacturing metal patterns on syn- thetic resin substrates". 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 inactivitaing the sub- strate 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.
330313
Broer Dirk J.
Van Den Broek Arnoldus J.m.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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