Aluminum electrode foil for electrolytic capacitor and electroly

Details Aluminum electrode foil for electrolytic capacitor and electroly Aluminum electrode foil for electrolytic capacitor and electroly

1997-12-22

2000-03-14

Kincaid, Kristine

Electricity: electrical systems and devices

Electrolytic systems or devices

Liquid electrolytic capacitor

361500, 361502, 361503, 361508, 361516, H01G 904

Patent

active

060381248

ABSTRACT:
An aluminum electrode foil for an electrolytic capacitor has a sponge-like etching layer formed on at least one of the surfaces thereof, and the sponge-like etching layer is reduced in a direction of thickness. The aluminum density of the reduced sponge-like etching layer `d2` is set from 0.8 to 2.2 g/cm.sup.3.

REFERENCES:
patent: 2079516 (1937-04-01), Lilienfeld
patent: 3997339 (1976-12-01), Fickelscher
patent: 4763229 (1988-08-01), Ohtuka et al.
patent: 5194127 (1993-03-01), Endoh et al.

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