Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Coating selected area
Patent
1992-12-11
1993-11-16
Tufariello, T. M.
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Coating selected area
C25D 502
Patent
active
052620417
ABSTRACT:
A method for electroplating over a nonconducting substrate comprising the steps of applying a thin film of a non-metallic conductive coating having a surface resistivity not exceeding 100 megaohms over said substrate, applying an electrically nonconductive coating over said conductive coating, said nonconductive coating having imaged recesses therein and electroplating metal into said recesses. The method is particularly useful for the manufacture of printed circuit boards.
REFERENCES:
patent: 3099608 (1963-07-01), Radovsky et al.
patent: 4897164 (1990-01-01), Piano et al.
patent: 5017742 (1991-05-01), Bladon
Goldberg Robert L.
Shipley Company Inc.
Tufariello T. M.
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