Magnetic recording medium and magnetic disk device

Details Magnetic recording medium and magnetic disk device Magnetic recording medium and magnetic disk device

1997-01-31

2000-06-06

Kiliman, Leszek

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Web or sheet containing structurally defined element or...

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428336, 428694T, 428694TS, 428694TP, 428694TM, 428900, 2041922, G11B 566

Patent

active

06071607&

ABSTRACT:
A magnetic recording medium comprising a nonmagnetic substrate and a magnetic recording film of a magnetic metal material deposited through a primer layer of a nonmagnetic metal material on the substrate, wherein the primer layer is formed of a metallic material composed mainly of chromium or chromium and molybdenum and the magnetic recording film is formed of a metallic material composed mainly of at least one member selected from the group consisting of cobalt, chromium, tantalum, and platinum. The magnetic recording medium enables high-density recording by taking advantage of high coercive force and, at the same time, can reduce the noise level and improve the S/N ratio.

REFERENCES:
patent: 4749628 (1988-06-01), Ahlert
patent: 5004652 (1991-04-01), Lal
patent: 5523173 (1996-06-01), Doerner

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