Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1986-02-25

1989-03-28

Zimmerman, John J.

Stock material or miscellaneous articles

Composite

Of inorganic material

428469, G11B 566

Patent

active

048163511

ABSTRACT:
A magnetic recording medium is formed by disposing on a substrate a magnetic recording layer comprising a vertically magnetizable film of Co alone or a Co alloy, or Fe alone or a ferromagnetic Fe alloy. The lubricity, wear resistance and corrosion resistance of the magnetic recording medium are improved by forming an upper layer of Co oxide on the magnetic recording layer. The upper layer per se can be a magnetizable film, particularly a vertically magnetizable film.

REFERENCES:
patent: 4124736 (1978-11-01), Patel et al.
patent: 4239835 (1980-12-01), Iijima et al.
patent: 4539264 (1985-09-01), Yazawa et al.
patent: 4565734 (1986-01-01), Arai et al.
patent: 4610911 (1986-09-01), Opfer et al.

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