Process for electroplating and apparatus therefor

Details Process for electroplating and apparatus therefor Process for electroplating and apparatus therefor

1990-09-26

1992-08-18

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204277, 205291, C25D 1700, C25D 2110

Patent

active

051396360

ABSTRACT:
Process for electroplating and apparatus therefor characterized by guiding just released bubbles to rise up symmetrically between the substrate plate and each of the anode plates so as to cause stable rising currents; providing a pair of passages outside of the bath so as to receive the bath solution overflowing above the upper edges of the bath wall to be jointed with the respective rising currents near the bath bottom; and preventing the descending and turning currents from disturbing just released bubbles near the joint positions of the descending and rising currents.

REFERENCES:
patent: 3630860 (1971-12-01), Fox
patent: 3959112 (1976-05-01), Arend, Jr.
patent: 4141804 (1979-02-01), Avedesian et al.
patent: 4263120 (1981-04-01), Berndt et al.

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