Electrolytic apparatus and process

Details Electrolytic apparatus and process Electrolytic apparatus and process

1987-06-05

1988-09-27

Tufariello, T. M.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204275, C25D 1700

Patent

active

047739835

ABSTRACT:
An improved electrolytic apparatus and process particularly applicable for high-speed electrodeposition of a metallic plating on a substrate such as on a printed wiring board of the type employed in the electronic industry. The apparatus employs a manifold assembly adapted to be immersed in the electrolyte and positioned adjacent to each of the anodes immersed therein for withdrawing electrolyte past the anode to provide a controlled rate of flow across the anode surface to achieve a substantially uniform mass transport rate across the fluid film on the surface of the anode. The apparatus is also adapted for returning at least a portion of the withdrawn electrolyte to the tank which can be arranged so as to impinge upon the article being plated.

REFERENCES:
patent: 4174261 (1979-11-01), Pellegrino

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