| 摘要 |
<p>A cyanide-free tin alloy plating solution having outstanding stability as well as a method of precipitating tin alloy plating onto an electroconductive object using the tin alloy plating solution is disclosed. The tin alloy plating solution contains tin ions and one or more additional metal ions of silver, copper, bismuth, indium, palladium, lead, zinc, or nickel, and peptides with cysteine residues.</p> |
