Method for etching an aluminum foil for an electrolytic capacito

Details Method for etching an aluminum foil for an electrolytic capacito Method for etching an aluminum foil for an electrolytic capacito

1992-06-30

1993-03-16

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25F 304

Patent

active

051941279

ABSTRACT:
A method for chemically etching an aluminum foil for an aluminum electrolytic capacitor, which comprises immersing the aluminum foil in an etching solution containing a polymer electrolyte having cation exchange groups dissociable in the etching solution.

REFERENCES:
patent: 4821153 (1989-04-01), Kuwae

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