Magnetic recording members

Details Magnetic recording members Magnetic recording members

1976-02-09

1978-02-21

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

Disk

360131, 428900, 148105, G11B 582, H01F 1002

Patent

active

040756726

ABSTRACT:
An improved magnetic recording member of the disc type. The article of the invention is formed, preferably, of metallic magnetic particles oriented in a vertical direction. This combination overcomes existing limitations on (a) disc products, and (2) the preferred metallic particles heretofore known.

REFERENCES:
patent: 3052567 (1962-09-01), Gabor et al.
patent: 3117065 (1964-01-01), Wootten
patent: 3149996 (1964-09-01), Wagner et al.
patent: 3185775 (1965-05-01), Camras
patent: 3328195 (1967-06-01), May
patent: 3740266 (1973-06-01), Akashi et al.
patent: 3943012 (1976-03-01), Tamai et al.
IBM Technical Disclosure Bulletin, vol. 16, No. 7, Dec. 1973, by G. H. May, pp. 2365-2366.

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