Abrasion resistant magnetic recording member

Details Abrasion resistant magnetic recording member Abrasion resistant magnetic recording member

1986-11-25

1989-02-14

Thibodeau, Paul J.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

427131, 428694, 428695, 428900, G11B 572

Patent

active

048045900

ABSTRACT:
An abrasion resistant magnetic recording member having a carbonaceous surfacial protective film for protecting a surface of a magnetic film formed on a substrate, and the carbonaceous surfacial protective film is formed of a lower layer comprising a comparatively hard carbonaceous film and an upper layer comprising a comparatively soft carbonaceous film.

REFERENCES:
patent: 4382100 (1983-05-01), Holland
patent: 4411963 (1983-10-01), Aine
patent: 4503125 (1985-03-01), Nelsm et al.
patent: 4636435 (1987-01-01), Yanagihara et al.
patent: 4647494 (1987-03-01), Meyerson et al.
W. T. Maloney, "RF-Sputtered Chromium-Cobalt Films for High-Density Longitudinal Magnetic Recording" IEEE Transactions on Magnetics, vol. MAG-15, No. 6, Nov. 1979, pp. 1546-1548.

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