Magnetic recording medium having a magnetic layer and intermedia

Details Magnetic recording medium having a magnetic layer and intermedia Magnetic recording medium having a magnetic layer and intermedia

1996-11-22

1998-07-07

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428216, 428328, 428336, 428694BP, 428694BS, 428900, G11B 571

Patent

active

057765960

ABSTRACT:
A magnetic recording medium comprising a nonmagnetic substrate, an intermediate layer provided on the nonmagnetic substrate, and a magnetic layer provided on the intermediate layer, wherein the magnetic layer contains, as a lubricant, (A) a fatty acid ester derived from a straight-chain or branched aliphatic alcohol having 3 to 7 carbon atoms and a straight-chain or branched fatty acid having 12 to 18 carbon atoms and (B) a fatty acid ester derived from a straight-chain or branched aliphatic alcohol having 8 to 14 carbon atoms and a straight-chain or branched fatty acid having 12 to 18 carbon atoms.

REFERENCES:
patent: 4420532 (1983-12-01), Yamaguchi et al.
patent: 4587157 (1986-05-01), Brock et al.
patent: 4701372 (1987-10-01), Akiyama et al.
patent: 4803133 (1989-02-01), Hirota et al.
patent: 4828925 (1989-05-01), Miyake et al.
patent: 5034271 (1991-07-01), Miyoshi et al.

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