Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1996-02-07

1998-09-29

Resan, Stevan A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428216, 428323, 428694BM, 428694BH, 428900, G11B 5716

Patent

active

058143947

ABSTRACT:
A magnetic recording medium comprising a support having thereon a plurality of magnetic layers comprising a first magnetic layer provided as an uppermost layer and a second magnetic layer provided adjacent to said first magnetic layer, wherein the first and second magnetic layers each comprises a magnetic powder and a binder containing a vinyl chloride resin and/or cellulose resin, the binder contents in the first magnetic layer and the second magnetic layer satisfy the relationship defined by the following formula (1), and the contents of the vinyl chloride resin and the cellulose resin in the first magnetic layer and the second magnetic layer satisfy the relationship defined by the following formula (2):

REFERENCES:
patent: 5178935 (1993-01-01), Saito et al.
patent: 5318828 (1994-06-01), Noguchi et al.

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