Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1997-10-24

1999-09-07

Resan, Stevan A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428694B, 428900, 427128, G11B 568

Patent

active

059485221

ABSTRACT:
The present invention provides a magnetic recording medium having excellent durability under severe environment. The magnetic recording medium is provided with a flexible non-magnetic support, and a magnetic layer which is provided thereon and contains ferromagnetic powder and bonding agent. Vickers hardness Hv of the magnetic layer up to a certain indentation depth of an indentator is 12-20.

REFERENCES:
patent: 5073439 (1991-12-01), Hashimoto et al.
patent: 5324571 (1994-06-01), Koyama et al.
patent: 5340635 (1994-08-01), Isobe et al.
patent: 5702821 (1997-12-01), Murayama et al.
patent: 5705253 (1998-01-01), Berg et al.

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