Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Making electrical device
Patent
1988-08-01
1990-05-01
Dees, Jose
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Making electrical device
430316, 430317, 430319, 430394, 204 15, G03C 516
Patent
active
049217771
ABSTRACT:
This method relates to a process for manufacturing printed circuit boards in which a metal coating is sputtered onto certain regions of a substrate. Adhesion of the sputtered material is excellent. Surface preparation of the substrate and etching thereof prior to sputtering are virtually eliminated. Films deposited by sputtering exhibit uniform coverage and thickness.
REFERENCES:
patent: 4211603 (1980-07-01), Reed
patent: 4528259 (1985-07-01), Sullivan
patent: 4582778 (1986-04-01), Sullivan
patent: 4795693 (1989-01-01), Ors et al.
Fraenkel Howard A.
Ilardi Joseph M.
Kurtz Bruce E.
Spicciati Frank A.
Allied-Signal Inc.
Buff Ernest D.
Dees Jose
Fuchs Gerhard H,.
Stewart Richard C.
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