Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-06-05

1987-05-05

Swisher, Nancy

Stock material or miscellaneous articles

Composite

Of inorganic material

428328, 428329, 428900, 427131, G11B 572, B32B 300

Patent

active

046632468

ABSTRACT:
A magnetic recording medium having a magnetic coating containing therein ferromagnetic metal powder provided on a base film, wherein the magnetic recording medium being characterized in that the surface roughness of the magnetic coating, i.e., the surface roughness R.sub.rms (a unit of measurement of .mu.m) with respect to a waveform having a wavelength P in a range of from 3 to 50 .mu.m out of groups of waveforms constituting the cross-sectional waveform of the surface of the magentic coating, satisfies the following equation:

REFERENCES:
patent: 4071654 (1978-01-01), Ogawa et al.
patent: 4450199 (1984-05-01), Tadokoro et al.
patent: 4508782 (1985-04-01), Miura et al.
patent: 4550049 (1985-10-01), Ono et al.

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