Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1986-03-20

1988-05-03

Thibodeau, Paul J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

427131, 428329, 428694, 428900, G11B 716

Patent

active

047419539

ABSTRACT:
A magnetic recording medium having a broad dynamic range over an entire range of frequency which comprises a substrate material and a magnetic layer comprising magnetic particles and a resinous binder provided on at least one of the surfaces of the substrate material, characterized in that the magnetic layer is constructed as a double layered structure comprising an upper layer and a lower layer and which satisfies the following requirements:

REFERENCES:
patent: 4075384 (1978-02-01), Suzuki et al.
patent: 4091158 (1978-05-01), Kasuga et al.
patent: 4259392 (1981-03-01), Suzuki
patent: 4265931 (1981-05-01), Tamai et al.

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