Magnetic recording medium and process for its production

Details Magnetic recording medium and process for its production Magnetic recording medium and process for its production

1998-04-07

2000-04-18

Resan, Stevan A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428328, 428329, 428694BS, 427128, G11B 5714

Patent

active

06051308&

ABSTRACT:
A magnetic recording medium comprising a flexible non-magnetic support, a non-magnetic primer layer containing a binder and non-magnetic particles, formed on the support, and a magnetic layer having a thickness of at most 0.5 .mu.m and containing a binder and a ferromagnetic acicular metal powder having an average long axis length (L) of at most 0.20 .mu.m and an aspect ratio (K) of at most 15, formed on the primer layer, wherein the variation (D) of the interface between the magnetic layer and the non-magnetic primer layer is represented by D.ltoreq.2L/K.

REFERENCES:
patent: 4774147 (1988-09-01), Kuse et al.
patent: 5549955 (1996-08-01), Kawamata et al.
patent: 5792548 (1998-08-01), Kuwajima et al.
patent: 5851622 (1998-12-01), Ejiri et al.

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