C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/21
C25D 5/52 (2006.01) C25D 3/06 (2006.01) C25D 5/48 (2006.01)
Patent
CA 1123368
ABSTRACT OF THE DISCLOSURE This disclosure relates a bright dip for chromium electroplated from a solution containing chromium (III) thiocyanate complexes comprising a ferricyanide solution capable of forming complexes with chromium hydroxide species and of detaching the complexes once formed from the surface of an electroplated deposit without significant attack or etching of the deposit. The ferricyanide solution preferably comprises K3Fe(CN)6. The solution is preferably alkaline.
324902
Barclay Donald J.
Vigar James M.
Gowling Lafleur Henderson Llp
International Business Machines Corporation
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