Method for preparing magnetic recording medium

Details Method for preparing magnetic recording medium Method for preparing magnetic recording medium

1988-12-13

1990-04-03

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

2041922, 427128, 427130, 427131, 427132, 427251, 4272552, 427296, B05D 512

Patent

active

049139339

ABSTRACT:
A method for preparing a magnetic recording medium comprises delivering a substrate from a delivery roller, passing the substrate through one or a plurality of conveying rollers and forming a magnetic recording layer on said substrate by the physical vapor deposition method in the course of running along the circumferential surface of a rotatory drum, characterized in that said substrate is heated between the delivery roller and the conveying roller or between a conveying roller and another conveying roller, and the conveying roller through which said substrate passes after heating is made an expander roller.

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