Patent ID: 6372116
Filing Date: 2002-04-16
Classification: C25D

Abstract:
A method for forming a conductive layer, comprising:immersing a plated body surface in a first fluid medium disposed within a first chamber; treating the plated body surface with supersonic waves generated and propagated by a supersonic wave generator immersed in a second fluid medium within a second chamber while a power supply in communication with the plated body surface is OFF, wherein the second fluid medium is in communication with the first fluid medium such that the supersonic waves generated by the supersonic wave generator in the second chamber are communicated to the first chamber; and forming a plating layer on the treated plated body surface by electrochemistry, wherein forming the plating layer by electrochemistry comprises: immersing the treated plated body surface and a reference metal in the first fluid which comprises an electrolyte solution containing reference metal ions; coupling the plated body and the reference metal to a cathode and an anode, respectively; and applying negative and positive charges to the cathode and the anode, respectively, by turning the power supply ON.