Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1996-01-30
1997-10-28
Lam, Cathy F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428469, 4284722, 428701, 428699, 428698, 428702, 428901, 427304, B32B 300, B32B 900, B05D 304
Patent
active
056816480
ABSTRACT:
The present invention provides a novel printed wiring board which has an insulating substrate. The printed wiring board also has a metal compound layer formed on a surface of the insulating substrate, wherein the metal compound layer is made of a metal compound having a sufficient insulating property and showing a reduction to a metal. The metal compound layer has a surface formed thereon with a metal wiring pattern which is formed by selective reduction of the above metal compound of the metal compound layer. The printed wiring board also has a palladium-displacement plating layer formed on the metal wiring pattern. The printed wiring board also has an electroless plating layer.
REFERENCES:
patent: 3335050 (1967-08-01), Makowski et al.
patent: 4535029 (1985-08-01), Intrater et al.
patent: 4761303 (1988-08-01), Ruszczyk et al.
patent: 4772080 (1988-09-01), Tustison
patent: 5389446 (1995-02-01), Yamanishi et al.
Funada Yoshitsugu
Matsui Koji
Lam Cathy F.
NEC Corporation
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