| 摘要 |
PROBLEM TO BE SOLVED: To apply plating to a substrate without causing the adhesion and floating of gold in an electroless non-cyanide gold plating tank, etc. SOLUTION: The plating tank is made of tempered glass, and heating is carried out by indirect heating using water both, and simultaneously, plating solution is cooled/filtered using the circulation system for the plating solution to stabilize the plating solution in the tank and uniformly apply plating to the substrate.
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