Method of winding up a magnetic recording medium

Details Method of winding up a magnetic recording medium Method of winding up a magnetic recording medium

1991-04-11

1991-12-03

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

427128, 4272555, 427282, 427296, 4273982, H01F 1002

Patent

active

050699326

ABSTRACT:
A continuous polymeric substrate for a magnetic recording medium, on which magnetic material is deposited during which the end portions of both sides of the substrate is masked, is wound up on a wind-up roll in a vacuum atmosphere while the substrate is fluctuated in a width direction by a fluctuating width ranging from 0.2 mm to 40 mm in a fluctuating cycle ranging from 10 seconds to 1000 seconds.

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