Magnetic recording medium having improved weather resistance

Details Magnetic recording medium having improved weather resistance Magnetic recording medium having improved weather resistance

1984-04-04

1986-09-02

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

428900, G11B 2300, G11B 574

Patent

active

046099620

ABSTRACT:
A metal thin film type magnetic recording medium having an improved weather resistance is disclosed, which comprises a non-magnetic support base having provided thereon a ferromagnetic metal thin film comprised of column-shaped clusters of ferromagnetic particle having longitudinal axes inclined to the surface plane of the support base and a layer of a chromium compound such as Cr and Cr.sub.2 O.sub.3 covering the surfaces of the column-shaped clusters.

REFERENCES:
patent: 4246316 (1981-01-01), Aonuma et al.
patent: 4414271 (1983-11-01), Kitamoto et al.
patent: 4448837 (1984-05-01), Ikeda et al.
patent: 4455345 (1984-06-01), Miyatuka et al.
patent: 4503119 (1985-03-01), Shirahata et al.

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