Patent ID: 8496790
Filing Date: 2013-07-30
Classification: C25D,H01L

Abstract:
1. A processor comprising: a vessel; a head configured to hold a workpiece, with the head moveable to position the workpiece in the vessel; an inner anode associated with an inner anolyte chamber within the vessel; an outer anode surrounding the inner anode, the outer anode associated with an outer anolyte chamber; an upper cup in the vessel having an upper curved surface, an outer catholyte chamber over the outer anolyte chamber, and an inner catholyte chamber over the inner anolyte chamber; a plurality of openings in the upper curved surface of the upper cup; a passageway connecting substantially each of the openings to the outer catholyte chamber; and an adjusting element associated with the passageways movable between a first position where the passageways are un-occluded to a second position where the passageways are at least partially occluded.