Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1994-05-24

1997-05-20

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428143, 428694B, 428694BS, 428694BR, 428694ST, 428694SL, 428694SG, 428900, G11B 566, G11B 570

Patent

active

056310625

ABSTRACT:
A magnetic recording medium comprising a nonmagnetic support and a magnetic layer, wherein the magnetic layer is provided on one surface of the nonmagnetic support, comprises a ferromagnetic particle, and has a surface roughness of from 2 to 10 nm; the nonmagnetic support has plural layers; at least one layer of the plural layers comprises an antistatic agent; and the nonmagnetic support has a surface roughness of from 5 to 30 nm on the opposite surface to the surface on which the magnetic layer is provided.

REFERENCES:
patent: 4590119 (1986-05-01), Kawakami et al.
patent: 4613520 (1986-09-01), Dasgupta
patent: 4664975 (1987-05-01), Kobayashi et al.
patent: 4687700 (1987-08-01), Hensel et al.
patent: 5206084 (1993-04-01), Takeda et al.
patent: 5281472 (1994-01-01), Takahashi et al.
patent: 5318823 (1994-06-01), Utsumi et al.
patent: 5366783 (1994-11-01), Utsumi et al.

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