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US08172989B2 Prevention of substrate edge plating in a fountain plating process 失效
在喷镀工艺中防止衬底边缘镀层

Prevention of substrate edge plating in a fountain plating process
Abstract:
A plating apparatus and method for plating a surface of a substrate are described. Generally, the apparatus includes a double wall plating vessel having an inner cup and an outer cup peripherally surrounding and spaced apart from the inner cup. The inner cup has an inlet for receiving a plating solution and an outlet from which the plating solution overflows into a plenum defined between the inner and outer cups.
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