Electroplating bath solution for zinc alloy and electroplated product using the same
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United States of America Patent
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Sep 28, 1993
Grant Date -
N/A
app pub date -
Mar 6, 1991
filing date -
Sep 5, 1989
priority date (Note) -
Expired
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Abstract
An electroplating bath solution for zinc-cobalt-iron alloy and electroplated product electroplating by the bath solution are described. The electroplating bath solution containing 5-30 g/l Zn, 0.01-0.3 g/l Co and 0.02-0.5 g/l Fe, and electroplating layer of the product contains 0.1-0.6 wt % Co, 0.2-0.7 wt % Fe and Zn. The electroplated product gives a high quality black chromate film at cheaper cost than before.
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