Patent ID: 6159623
Filing Date: 2000-12-12
Classification: C25D,H01L,Y10T

Abstract:
A palladium plating film formed using a palladium plating solution, said solution comprising a soluble palladium salt and a quaternary compound, wherein the quaternary compound is a compound represented by the following formula (1): ##STR4## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group; said R.sup.1 and R.sup.2, and R.sup.3 and R.sup.4, respectively, are separate from one another or together form a ring; Z represents a nitrogen atom, a phosphorus atom, an arsenic atom or an antimony atom; and X.sup.- represents an anion,wherein said film comprises said quaternary compound.