Patent ID: 6811675
Filing Date: 2004-11-02
Classification: C23C,C25D,H01L,H05K

Abstract:
A process for applying a metal structure to a workpiece comprising:providing a first electroplating bath including a source of metal ions as a principal metal species to be deposited during subsequent electroplating, boric acid, and a metal ion complexing agent; providing a workpiece on which one or more microelectronic devices are to be formed; exposing at least one surface of the workpiece to the first electroplating bath; and applying electroplating power between the at least one surface of the workpiece and an electrode disposed in electrical contact with the first electroplating bath to electroplate the principal metal species onto the at least one surface of the workpiece in an electrolytic first deposition process, wherein power is applied during at least a portion of the first deposition process for a workpiece surface current density of between 1.0 mA/cm2 and 5.0 mA/cm2.