Solid tantalum capacitor process

Details Solid tantalum capacitor process Solid tantalum capacitor process

1987-04-27

1988-11-01

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

204 383, 204 42, C25D 550, C25D 1102

Patent

active

047818026

ABSTRACT:
Anodization of a tantalum pellet in a phosphate/glycol electrolyte is interrupted in order to heat the pellet without bias to a high temperature, then the anodization is completed, then a semiconductor is deposited in the pellet, and then the pellet is heated under bias less than employed during the anodization.

REFERENCES:
patent: 3653119 (1972-04-01), Fresia et al.
patent: 3801479 (1974-04-01), Nishino et al.
patent: 4052273 (1977-10-01), Aronson et al.
"Heat-Treatment of Anodic Oxide Films on Tantalum I. The Effects on Dielectric Properties"--D. M. Smyth, G. A. Shirn, T. B. Tripp--J. Electrochem. Soc., vol. 110, No. 12, Dec. 1963, pp. 1264-1271.

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