Intermittent AC etching of aluminum foil

Details Intermittent AC etching of aluminum foil Intermittent AC etching of aluminum foil

1980-09-19

1982-02-16

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412943, C25F 304

Patent

active

043158064

ABSTRACT:
Aluminum electrolytic capacitor foil is etched by subjecting the foil to etching for a period of time, followed by a rest period during which no etching takes place, subjecting the foil to etching for another period, followed by another rest period, and repeating these steps until the foil is etched to the desired level. An alternating current is used.

REFERENCES:
patent: 3193485 (1965-07-01), Vincent
patent: 4214961 (1980-07-01), Anthony

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