Aluminum alloy foil for cathode of electrolytic capacitors

Details Aluminum alloy foil for cathode of electrolytic capacitors Aluminum alloy foil for cathode of electrolytic capacitors

1987-04-06

1989-01-24

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Foil or filament smaller than 6 mils

148438, H01G 924

Patent

active

048001333

ABSTRACT:
An aluminum alloy foil for the cathode of an electrolytic capacitor is produced from a continuously cast aluminum alloy plate containing 0.03 to 0.5% of copper.

REFERENCES:
patent: 3346424 (1967-10-01), Watters
patent: 3351442 (1967-11-01), Hooper
patent: 3475289 (1969-10-01), Hunter
patent: 4142571 (1979-03-01), Narasimhan
patent: 4214041 (1980-07-01), Fister, Jr.
patent: 4274471 (1981-06-01), Minoura
"The Relationship Between the Composition, the Structure Parameters and the Etchability of Alloyed Aluminum Cathode Foils for Electrolytic Capacitors", Van Alphen et al., Chem. Abstracts, vol. 90; 196219d, 1979.
"Properties and Applications of Wrought Aluminum Alloys", Metal Progress, mid-Jun. 1978, p. 88.
Woldman's Engineering Alloys, Gibbons, American Society for Metals, 6th ed, 1979, pp. 1763-1764.

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