Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1997-03-25

1999-11-23

Kiliman, Leszek

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 655, 428141, 428336, 428408, 428704, 428694T, 428694TP, 428694TC, 428694TR, 428900, 428698, G11B 566

Patent

active

059896728

ABSTRACT:
A magnetic recording medium having a diamond-like carbon (DLC) film added therein a Group IV element of the periodic table such as silicon, particularly in the vicinity of the boundary between the magnetic material and the formed DLC film. Since a DLC having low friction coefficient can be formed, the centerline average roughness can be reduced to 30 nm or even less. Accordingly, a magnetic recording medium improved in magnetic properties and in lubricity can be obtained.

REFERENCES:
patent: 4717622 (1988-01-01), Kurokawa et al.
patent: 4774130 (1988-09-01), Endo et al.
patent: 4840844 (1989-06-01), Futamoto et al.
patent: 4880687 (1989-11-01), Yokoyama et al.
patent: 4892789 (1990-01-01), Nakayama et al.
patent: 5226409 (1993-07-01), Schmidt et al.
patent: 5275850 (1994-01-01), Kitoh et al.

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