Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1975-04-10

1977-07-05

Lucas, Jay P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

360131, G11B 562, G11B 500

Patent

active

040344100

ABSTRACT:
A magnetic recording medium comprising a magnetic sheet of domain sized particles of at least one member selected from the group consisting of barium ferrite, strontium ferrite and lead ferrite, dispersed uniformly in an organic binder, and a ferromagnetic plate bonded to one surface with the other surface of the sheet being magnetizable at selected sites with the magnetization being in a direction substantially perpendicular to the surfaces.

REFERENCES:
patent: 3016310 (1962-01-01), Andrews
patent: 3023166 (1962-02-01), Duinker
patent: 3047429 (1962-07-01), Stoller
patent: 3185775 (1965-05-01), Camras
patent: 3723668 (1973-03-01), Ritchey
patent: 3772471 (1973-11-01), Imai

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