Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1987-11-25
1990-04-17
Thibodeau, Paul J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428403, 428694, 428900, G11B 570, G11B 5708
Patent
active
049179470
ABSTRACT:
A magnetic recording medium is described, comprising a non-magnetic support having provided thereon a magnetic layer comprising a binder having dispersed therein a ferromagnetic powder, in which said magnetic layer contains surface-coated inorganic particles having a Mohs hardness of 5 or more as an abrasive, said coated inorganic particles being present in a larger proportion in the vicinity of the surface of the magnetic layer. The magnetic recording medium has improved electromagnetic characteristics and improved running durability.
REFERENCES:
patent: 4578314 (1986-03-01), Ohta et al.
patent: 4634627 (1987-01-01), Fujiki et al.
patent: 4687703 (1987-08-01), Miyoshi et al.
patent: 4710424 (1987-12-01), Bandara et al.
patent: 4743500 (1988-05-01), Miyoshi et al.
Ejiri Kiyomi
Fukino Koyotaka
Kosha Kideaki
Masaki Kouichi
Miura Toshihiko
Fuji Photo Film Co. , Ltd.
Thibodeau Paul J.
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