Electrolytically forming a lot of valve-metal-bodies for use in

Details Electrolytically forming a lot of valve-metal-bodies for use in Electrolytically forming a lot of valve-metal-bodies for use in

1984-03-30

1984-12-11

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204 56M, 204 58, C25D 1102, C25D 1134

Patent

active

044876661

ABSTRACT:
A lot of tantalum pellets is submersed in a tank of liquid electrolyte and electrolytically formed to make anodes for use in electrolytic capacitors. During formation, periodic in situ measurements of capacitance are made to gain insight into the formation characteristics of the lot of pellets in hand. Progressively better estimates are made of how much total accumulated formation charge will be necessary to reach the desired capacitance. The method is accurate and fast.

REFERENCES:
patent: 3843492 (1974-10-01), Bernard
patent: 3956081 (1976-05-01), Holtje
patent: 3988215 (1976-10-01), Scherr
patent: 4052273 (1977-10-01), Aronson et al.

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