Method for etching Fe-Ni alloy

Details Method for etching Fe-Ni alloy Method for etching Fe-Ni alloy

1983-03-28

1984-09-18

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156640, 156644, 1566591, 156345, 252 793, C23F 102, B44C 122, C03C 1500, C03C 2506

Patent

active

044722362

ABSTRACT:
A method for etching an Fe-Ni alloy by reacting the Fe-Ni alloy with an etching solution which contains ferric chloride, has the step of adding Cl.sub.2 and H.sub.2 O in a reaction system of the etching solution and the Fe-Ni alloy, thereby producing ferric chloride, and thus, preventing degradation of the etching capability of the etching solution.

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