Method for smoothing both magnetic coat layers of magnetic recor

Details Method for smoothing both magnetic coat layers of magnetic recor Method for smoothing both magnetic coat layers of magnetic recor

1980-06-04

1981-11-03

Pianalto, Bernard D.

Coating processes

Magnetic base or coating

Magnetic coating

428900, B05D 512

Patent

active

042986311

ABSTRACT:
Both solid magnetic coat layers formed on a substrate of a magnetic recording medium by coating a magnetic varnish are simultaneously smoothed by passing the magnetic recording medium between one or more pairs of rigid rotary rolls which press both magnetic coat layers during their rotation.

REFERENCES:
patent: 2688567 (1954-09-01), Franck
patent: 3473960 (1969-10-01), Jacobson et al.
patent: 4100326 (1978-07-01), Somezawa et al.

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