Magnetic recording medium and magnetic recording disk device

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

1998-11-06

2000-10-10

Kiliman, Leszek

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428336, 428692, 428694TS, 428694TC, 428694TM, 428900, 360113, 324252, G11B 566

Patent

active

061299812

ABSTRACT:
A magnetic recording medium and a magnetic disk device using the same. The magnetic recording medium comprising a nonmagnetic substrate having applied thereon, through a chromium-based underlayer, at least one magnetic recording layer consisting of cobalt as a principal component, 14 to 23 at % of chromium, 1 to 20 at % of platinum as well as tungsten and carbon. The magnetic recording medium exhibits reduced noise, an improved resolution of the reproducing waveforms and an increased S/N ratio.

REFERENCES:
patent: 4814238 (1989-03-01), Inoue
patent: 5552217 (1996-09-01), Yamaguchi
patent: 5763071 (1998-06-01), Chen
patent: 5851656 (1998-12-01), Ohkubo
patent: 5952097 (1999-09-01), Zhang

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