| 摘要 |
1521013 Crystallising by-products from electroless plating bath solutions KOLLMORGEN TECHNOLOGY CORP 14 Feb 1977 [14 Feb 1976] 06114/77 Heading BIG Undesirable reaction by products such as sodium sulphate are separated from electroless copper plating bath solutions by continuously distilling at least a part of such a solution, e.g. under vacuum, with the byproducts separate out and may be removed from a sedimentation tank. The distillate may be used to replenish the bath solution. |
