Patent ID: 7147767

Claim:
An electrolytic plating solution comprising: a) at least one copper bis(perfluoroalkanesulfonyl) imide represented by the formula where R f 1 and R f 2 are independently a perfluoroalkyl group that may be cyclic or acyclic, may optionally contain catenated or terminal heteroatoms selected from the group consisting of N, O, and S, any two R f groups may be linked to form a perfluoroalkylene-containing ring, and comprising from 1 to 12 carbon atoms, and n is an integer from 1 to 2; where the concentration of the copper cation ranges from about 0.10 M to about 1.5 M in solvent; b) solvent; c) acid; and d) optionally one or more additive.