Copper brightening process and bath

Details Copper brightening process and bath Copper brightening process and bath

1994-10-11

1997-05-20

Tung, T.

Etching a substrate: processes

Nongaseous phase etching of substrate

Etching inorganic substrate

216105, 252 792, 252 794, C09K 1306

Patent

active

056309503

ABSTRACT:
A process and aqueous bath for bright dipping of a copper containing substrate. The bath includes: an acid, hydrogen peroxide and a bath soluble, peroxide stable constituent effective for creation and stabilization of a dissolution inhibiting film over the brightened substrate.

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"GAF Polyvinylpyrrolidone Polymers" Brochure.

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