Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Forming nonelectrolytic coating after depositing...
Patent
1997-08-06
1999-03-23
Phasge, Arun S.
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Forming nonelectrolytic coating after depositing...
205215, 205125, 205156, 205319, C23C 2800, C25D 534, C25D 502, C25D 1138
Patent
active
058854363
ABSTRACT:
In one embodiment, the present invention relates to a method of treating metal foil including sequentially contacting the metal foil with a first solution containing a metal foil oxidizer and less than about 5 g/l of a hydroxide compound, contacting the metal foil with a chromium containing electrolytic bath and electrolyzing the bath, wherein the bath contains about 0.1 to about 5 g/l of a chromium compound, and contacting the metal foil with a second solution containing from about 0.1 to about 10% v/v of a silane compound, with the proviso that the metal foil is not contacted with a reducing agent after contact with the first solution.
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Ameen Thomas J.
Riley Stacy A.
Centanni Michael A.
Gould Electronics Inc.
Phasge Arun S,.
Wong Edna
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