Patent ID: 8257504

Claim:
A surface treatment method, comprising: bringing a surface treatment composition into contact with a metal wiring-including surface of a semiconductor substrate, which has been chemically-mechanically polished, to treat the metal wiring-including surface of the semiconductor substrate, the surface treatment composition comprising a compound (A) represented by the following Formula (1) and a solvent (B) having a boiling point at one atmospheric pressure of 50 to 300° C., and has a pH of 4 to 11, wherein Rs each independently represent an alkyl group, an aryl group, an alkoxy group, an amino group, an amino alkyl group, a hydroxy group, a hydroxyalkyl group, a carboxy group, a carboxyalkyl group, a carbamoyl group, or an aldehyde group and m is an integer of 0 to 4.