abstract |
PROBLEM TO BE SOLVED: To provide a palladium alloy plating solution having a high stability of the plating solution and capable of stably forming a plating film having a predetermined alloy composition. . The present invention relates to a palladium alloy plating solution containing a palladium complex and a metal salt, wherein the palladium complex serves as a neutral amino acid glycine, alanine, valine, leucine, serine, threonine as a ligand. Further, the present invention relates to a palladium alloy plating solution characterized in that one or more of asparagine, glutamine, and tyrosine are coordinated. [Selection figure] None |