Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1987-02-10

1989-04-04

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428328, 428329, 428694, 428900, G11B 570, G11B 5708

Patent

active

048186082

ABSTRACT:
A magnetic recording medium comprising a non-magnetic substrate and a magnetic layer which is formed on the substrate and comprises a magnetic powder and an abrasive material consisting of .alpha.-alumina particles as a first component and at least one second particulate component selected from the group consisting of SiC, TiO.sub.2, TiC, .alpha.-Fe.sub.2 O.sub.3, Cr.sub.2 O.sub.3, fluorocarbon and benzoguanamine, which has good abrasion property and improved abrasion resistance.

REFERENCES:
patent: 4076890 (1978-02-01), Yamada
patent: 4275115 (1981-06-01), Naruse
patent: 4399189 (1983-08-01), Nakashima
patent: 4423452 (1983-12-01), Kajimoto
patent: 4460651 (1984-07-01), Hosaka et al.
patent: 4537833 (1985-08-01), Kasuga
patent: 4571364 (1986-02-01), Kasuga
patent: 4579778 (1986-04-01), Yamaguchi
patent: 4618536 (1986-10-01), Morioka
patent: 4656089 (1987-04-01), Ninomiya

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