Patent ID: 7435324
Filing Date: 2008-10-14
Classification: C25D,H01L

Abstract:
1. A method of electroplating a semiconductor substrate, comprising: positioning an electrode assembly over a conductive surface of a substrate, the electrode assembly comprising a plurality of adjacent, mutually spaced and electrically isolated electrodes connected in series so as to be oppositely polarized when a voltage is applied thereacross; applying an electrolyte solution to the conductive surface of the substrate; applying a voltage to the plurality of adjacent, mutually spaced and electrically isolated electrodes while the electrode assembly and the conductive surface of the substrate are maintained in a stationary position relative to one another; and electrodepositing discrete metal features on portions of the conductive surface of the substrate positioned beneath electrodes of the plurality of adjacent, mutually spaced and electrically isolated electrodes exhibiting a positive polarity while portions of the conductive surface of the substrate positioned beneath electrodes of the plurality of adjacent, mutually spaced and electrically isolated electrodes exhibiting a negative polarity remain unplated.