Magnetic recording media and magnetic recording system using the

Details Magnetic recording media and magnetic recording system using the Magnetic recording media and magnetic recording system using the

1997-10-06

2000-05-02

Kiliman, Leszek

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 655, 428141, 428336, 428684T, 428694TS, 428694TM, 428694TR, 428694TP, 428900, 360113, 360128, 360135, G11B 560

Patent

active

060570210

ABSTRACT:
In a magnetic recording medium having a non-magnetic disk substrate and a magnetic film formed on the surface of the non-magnetic disk substrate, a surface average roughness factor Ra(r) on the surface of the medium being from 0.3 nm to 3 nm, an orientation ratio of coercivity being from 0.1 to 0.7, and an in-plane magnetic anisotropic energy being from 3.times.10.sup.4 J/m.sup.3 to 5.times.10.sup.5 J/m.sup.3. By using such a medium, it is possible to provide a magnetic recording apparatus in which the magnetic head is capable of flying in a low position and high-density recording is achieved.

REFERENCES:
patent: 5750230 (1998-05-01), Ishikawa

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