Process for etching an aluminum-copper alloy

Details Process for etching an aluminum-copper alloy Process for etching an aluminum-copper alloy

1983-07-06

1984-08-28

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156646, 156656, 1566591, 156665, 204192E, 252 791, C23F 102, B44C 122, C03C 1500, C03C 2506

Patent

active

044682840

ABSTRACT:
Plasma etching process for etching aluminum-copper alloys. The aluminum is reacted with a reactive chlorine specie, and the copper is oxidized by a nitrogen compound to form a CuCl.sub.2.Al.sub.2 Cl.sub.6 complex by which the copper is readily removed.

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