Method for fabricating magnetic recording medium

Details Method for fabricating magnetic recording medium Method for fabricating magnetic recording medium

1995-06-01

1996-05-14

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

2041922, 20419223, 427128, 427250, 4272553, 427294, B05D 512

Patent

active

055165478

ABSTRACT:
The invention is intended to provide a magnetic recording medium suitable for longitudinal recording, which has low medium noise and high coercivity. A magnetic recording medium includes a substrate 1 and a magnetic layer 2 formed on the substrate 1. The magnetic layer 2 consists of a mixture of a magnetic alloy and a non-magnetic compound. The magnetic alloy is Co-based, Fe-based, or CoFe-based, and the non-magnetic compound is selected from a group consisting of oxides and nitrides. The volume percentage of the non-magnetic compound in the entire volume of the mixed magnetic alloy and non-magnetic compound is preferably not less than about 2% and not more than about 30%.

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patent: 5298282 (1994-03-01), Sugita et al.
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patent: 5378496 (1995-01-01), Kashiwaya
Journal of Magnetics Society of Japan, vol. 13, No. 3, "Micro-Structure and Magnetic-Pro Sputtered Co-Alloy/Cr Rigid Disk Media", by A. Terada (No date avail).
Liou et al., "Granular Metal Films as Recording Media", Appl. Phys. Letter, vol. 52, No. 6, pp. 512-514, Feb. 1988.
Edelstein et al., "Phase Separated Fe and Co Particle in a BN Matrix", J. Appl. Phys. 61 (8), pp. 3320-3322, Apr. 1987.

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