Roughening of metal surfaces
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United States of America Patent
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Jan 6, 1998
Grant Date -
N/A
app pub date -
Jan 26, 1995
filing date -
Jan 26, 1995
priority date (Note) -
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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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