Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1994-07-19
1996-12-03
Resan, Stevan A.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
428 655, 428323, 428332, 428336, 428408, 428694BP, 428694TP, 428694BC, 428694DE, 428694SG, 428900, 369 13, G11B 572
Patent
active
055806333
ABSTRACT:
A magneto-optical recording disc adapted for magneto-optical recording in the magnetic field modulation system by means of a magnetic head in continuous contact with the disc includes a recording layer on a substrate and a wear resistant resinous coating thereon. The coating is formed of a resin containing carbon particles having a mean particle size of 1 to 15 .mu.m. The magnetic head is in sliding contact with the surface of the coating during operation. The coating is effective for reducing friction with the magnetic head and retains such reduced friction over a long time.
REFERENCES:
patent: 4427738 (1984-01-01), Fujiyama et al.
patent: 4812358 (1989-03-01), Miyake et al.
patent: 5089317 (1992-02-01), Noguchi et al.
Endo Hiroyuki
Hirata Hideki
Kuribayashi Isamu
Kuwahara Tsuneo
Resan Stevan A.
TDK Corporation
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