Magnetic recording medium and method of making it

Details Magnetic recording medium and method of making it Magnetic recording medium and method of making it

1990-03-23

1992-03-03

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428694, 428900, G11B 2300

Patent

active

050931938

ABSTRACT:
A magnetic recording medium and its manufacturing method are disclosed. The medium comprises a non-magnetic support and, provided thereon, a first magnetic layer coated by a first magnetic coating solution and a second magnetic layer coated by a second magnetic coating solution in this order, wherein a dry thickness of the first magnetic layer represented by .mu.m, t.sub.1, a dry thickness of the second magnetic layer represented by .mu.m, t.sub.2, the solid content of the first magnetic coating solution represented by weight %, W.sub.1, and the solid content of the second magnetic coating solution represented by weight %, W.sub.2 have the following relation,

REFERENCES:
patent: 4980230 (1990-12-01), Saito et al.

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