Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Controlling current distribution within bath
Patent
1996-10-16
1998-08-04
Gorgos, Kathryn L.
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Controlling current distribution within bath
204228, 204287, 204297W, 204DIG7, C25D 500, C25D 1708
Patent
active
057888299
ABSTRACT:
A method and apparatus for electroplating a workpiece to achieve a uniform plating thickness includes a cathode rack having a hook from which the workpiece is suspended and spaced apart from a consumable anode. The rack includes a plurality of plates made of the same material as the anode disposed on opposite sides of the rack. The plates direct a portion of the current emanating from the anode away from the workpiece to produce more uniform plating.
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F.A. Lowenheim, Electroplating, McGraw-Hill Book Co., New York, 1978, pp. 152-155, 329-331 No Month Available.
Botts Robert R.
Joshi Swati V.
Nicholls Louis W.
Gorgos Kathryn L.
Leader William T.
Mitsubishi Semiconductor America Inc.
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