Stabilization of aluminum electrolytic capacitor foil

Details Stabilization of aluminum electrolytic capacitor foil Stabilization of aluminum electrolytic capacitor foil

1983-08-31

1984-03-20

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204 38A, 204 42, 204 58, C25C 1108, C25C 1112, C25C 1118

Patent

active

044379463

ABSTRACT:
Aluminum electrolytic capacitor foil is stabilized by passing the foil from an anodization step through a bath containing an aqueous borate solution at a temperature of at least 80.degree. C. and a pH of 8.5 to 9.5. After stabilization, the foil is reanodized.

REFERENCES:
patent: 1012889 (1911-12-01), Mershon
patent: 1068410 (1913-07-01), Chubb
patent: 1658976 (1928-02-01), Edelman
patent: 2076904 (1937-04-01), Lilienfeld
patent: 2116449 (1938-05-01), Robinson
patent: 4252575 (1981-02-01), Bernard

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