Silver-plated product and method for producing same

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United States of America Patent

PATENT NO 11142839
SERIAL NO

16659818

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Abstract

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A silver-plated product is produced by forming a surface layer of silver on a base material by electroplating at a liquid temperature of 10 to 35° C. and a current density of 3 to 15 A/dm2 in a silver plating solution so as to satisfy (32.6x−300)≤y≤(32.6x+200) assuming that a product of a concentration of potassium cyanide in the silver plating solution and a current density is y (g·A/L·dm2) and that a liquid temperature of the silver plating solution is x (° C.), the silver plating solution containing 80 to 110 g/L of silver, 70 to 160 g/L of potassium cyanide and 55 to 70 mg/L of selenium.

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Patent Owner(s)

Patent OwnerAddress
DOWA METALTECH CO LTDTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyazawa, Hiroshi Tokyo, JP 107 941
Ogata, Masafumi Tokyo, JP 12 29
Sadamori, Shunki Tokyo, JP 3 5
Shinohara, Keisuke Tokyo, JP 52 231

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