Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1996-05-30

2000-03-14

Mosher, Mary E.

Stock material or miscellaneous articles

Composite

Of inorganic material

G11B 566

Patent

active

060370696

ABSTRACT:
A magnetic recording medium has a non-magnetic metal base layer formed on a non-magnetic base and supporting a magnetic layer thereon. The non-magnetic metal base layer includes two or more base layers including at least one first base layer each having an anisotropic magnetic characteristic in which a coercive force in a circumferential direction of the magnetic recording medium is higher than a coercive force in a radial direction of the medium, and at least one second base layer each having an anisotropic magnetic characteristic in which the coercive force in the circumferential direction is lower than the coercive force in the radial direction.

REFERENCES:
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patent: 4654276 (1987-03-01), Ahlert et al.
patent: 4784895 (1988-11-01), Mizuno et al.
patent: 5143794 (1992-09-01), Suzuki et al.
patent: 5298324 (1994-03-01), Ivett et al.
patent: 5314745 (1994-05-01), Okumura
patent: 5326637 (1994-07-01), Nasu
patent: 5413868 (1995-05-01), Matsubaguchi et al.
patent: 5552217 (1996-09-01), Yamaguchi et al.
patent: 5607740 (1997-03-01), Noda
patent: 5700593 (1997-12-01), Okumura et al.

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