Anodizing aluminum in boric acid bath containing hydroxy organic

Details Anodizing aluminum in boric acid bath containing hydroxy organic Anodizing aluminum in boric acid bath containing hydroxy organic

1977-06-27

1979-07-03

Edmundson, F. C.

Chemistry: electrical and wave energy

Processes and products

C25D 1110, C25D 1108

Patent

active

041599276

ABSTRACT:
A dielectric oxide film is modified by the incorporation of a minor amount of carbonaceous material. The modified film is produced by anodizing an aluminum electrolytic capacitor anode in a conventional electrolyte containing a minor amount of an alpha- or ortho- hydroxy carboxylic acid or salt.

REFERENCES:
patent: 1266557 (1918-05-01), Coulson
patent: 1412514 (1922-04-01), Coulson
patent: 2262967 (1941-11-01), Schenk
patent: 3682790 (1972-08-01), Orth et al.
patent: 3844908 (1974-10-01), Matsuo et al.
patent: 3935084 (1976-01-01), Terai et al.
patent: 4113579 (1978-09-01), Randall et al.

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