Analysis of the causes of pinholes in the copper plating layer in the copper plating process of printed circuit boards
This article discusses the causes of pinholes in the copper plating layer in the copper plating process of printed circuit boards, and proposes ways to find pinholes in the copper plating layer for reference. 1.Possible causes of pinholes in the copper plating layer: The chloride ion in the plating solution is too low, the air…















