| 摘要 |
<p>A replenishing solution for a cyanide-based electroless gold plating bath. The solution includes a gold(III) halide such as gold chloride, gold bromide, tetrachloroaurate (and its sodium, potassium, and ammonium salts), and tetrabromoaurate (and its sodium, potassium, and ammonium salts). The replenishing solution also may include an alkali (such as potassium hydroxide, sodium hydroxide, and ammonium hydroxide) to maintain the pH of the solution between 8 and 14. Also provided is a method of replenishing a cyanide-based electroless gold plating bath with the solution of the present invention. <MATH></p> |
