| CPC C25D 5/34 (2013.01) [C25D 5/10 (2013.01); C25D 5/54 (2013.01); C25D 17/06 (2013.01); H01L 21/288 (2013.01)] | 9 Claims |

|
1. A substrate processing method, comprising:
S1: transferring a substrate plated with a first metal layer from a first plating chamber to a second plating chamber;
S2: after transferring the substrate to the second plating chamber, forming a water film layer on the front side of the substrate;
S3: electroplating a second metal layer on the first metal layer.
|