Aluminum storage disc

Details Aluminum storage disc Aluminum storage disc

1984-04-02

1985-06-25

Kaplan, G. L.

Dynamic magnetic information storage or retrieval

Record medium

Disk

204 41, 204 42, 428469, 428629, 428650, 428667, 428694, G11B 582

Patent

active

045257590

ABSTRACT:
A process for the metal plating of aluminum comprising the steps of electrolytically anodizing the surface of the aluminum, immersing the anodized aluminum into an electrolytic plating solution and initiating deposition by passing a current through the solution for a time sufficient to form a layer of metal over the aluminum. The process is especially useful for the formation of aluminum storage discs where the electrolytic metal is a single layer of a ferromagnetic metal.

REFERENCES:
patent: Re28506 (1975-08-01), Quaintance et al.
patent: 3466156 (1969-09-01), Peters et al.
patent: 3886052 (1975-05-01), Smith
patent: 4021592 (1977-05-01), Fromson
patent: 4109287 (1978-08-01), Kawai et al.
patent: 4239835 (1980-12-01), Iijima et al.
patent: 4405677 (1983-09-01), Chen
patent: 4430387 (1984-02-01), Nakagawa et al.
patent: 4431707 (1984-02-01), Burns et al.
A. Akiyama et al., Plating, vol. 38, No. 6, pp. 594-598, (1971).
D. S. Lashmore, Plating & Surface Finishing, pp. 48-51, Apr. 1981.

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