Roughening of metal surfaces

Details Roughening of metal surfaces Roughening of metal surfaces

1995-01-26

1998-01-06

Dang, Thi

Etching a substrate: processes

Nongaseous phase etching of substrate

Substrate is multilayered

216100, 216108, 216 35, 216 34, 427309, C23F 100

Patent

active

057050821

ABSTRACT:
A process for roughening a metal surface is provided comprising applying a coating to the metal surface wherein the coating is a temporary barrier to an etchant attacking the metal surface and the coating is susceptible to the etchant gradually removing the coating, and then etching the coated metal surface with an aqueous bath containing the etchant effective to produce a roughened metal surface.

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