Patent ID: 6379522
Filing Date: 2002-04-30
Classification: C25D

Abstract:
A method for electrolytic plating of a metal on an electrically resistive substrate, comprising:disposing an electrically resistive substrate and an anode in a plating solution, the plating solution comprising: metal ions at a molar concentration from about 0.2 to about 1.2; a polyalkylene glycol at a concentration from about 10 ppm to about 2000 ppm of plating solution; from about 0.1 ppm to about 1000 ppm of a divalent sulfur compound; and about 0.5 to about 5 ppm of 2-amino-5-methyl-1,3,4-thiadiazole hydrochloride; and electrodepositing the metal onto the electrically resistive substrate from the metal ions in the solution.