Magnetic recording system

Details Magnetic recording system Magnetic recording system

Filed on

1996-02-14

Date issued

1999-05-18

Examiner

Resan, Stevan A.

Patent Class

Stock material or miscellaneous articles

SubClass

Web or sheet containing structurally defined element or...

SubSubClass

Including a second component containing structurally defined...

Other Related Categories

428336, 428403, 428522, 428694BS, 428694BA, 428900, G11B05/712

Type

Patent

Status

active

Patent number

059049790

Description

ABSTRACT:
(1) A magnetic recording system is disclosed, which comprises a thin-film magnetic head and a magnetic recording medium comprising a nonmagnetic support having thereon a magnetic layer comprising mainly ferromagnetic particles and a binder resin, wherein said binder resin comprising mainly a vinyl chloride resin, and said ferromagnetic particles are surface-treated with at least an organic compound. (2) Another magnetic recording system is disclosed, which comprises a thin-film magnetic head and a magnetic recording medium comprising a nonmagnetic support, a nonmagnetic layer comprising mainly inorganic nonmagnetic particles and a binder resin over the nonmagnetic support, and a magnetic layer comprising mainly ferromagnetic metal particles and a binder resin over the nonmagnetic layer, wherein said binder resins in said magnetic and nonmagnetic layers each comprises mainly a vinyl chloride resin, said ferromagnetic metal particles are surface-treated with at least an organic compound, and said magnetic layer has a thickness of from 0.05 to 1.0 .mu.m.

REFERENCES:
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patent: 4550054 (1985-10-01), Yamauchi et al.
patent: 4584243 (1986-04-01), Kadokura et al.
patent: 4789591 (1988-12-01), Nakamura et al.
patent: 4853815 (1989-08-01), Diepers
patent: 5082733 (1992-01-01), Watanabe et al.
patent: 5176955 (1993-01-01), Ejiri et al.
patent: 5244736 (1993-09-01), Hashimoto et al.
patent: 5390061 (1995-02-01), Nakatani et al.

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