Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1981-10-14

1983-10-18

Pianalto, Bernard D.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428457, 428694, 428900, H01F 1002

Patent

active

044105908

ABSTRACT:
A magnetic recording medium comprises a lower magnetic layer containing a magnetic powder having a coercive force of 700 Oe or higher dispersed in an organic binder which is coated on a non-magnetic substrate and an upper magnetic layer containing a magnetic powder having a coercive force higher than the coercive force of said lower magnetic la

REFERENCES:
patent: 4265931 (1981-05-01), Tamai et al.

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