Simultaneous multi-layer coating method for manufacturing magnet

Details Simultaneous multi-layer coating method for manufacturing magnet Simultaneous multi-layer coating method for manufacturing magnet

1989-10-12

1990-05-22

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

428900, H01F 1002

Patent

active

049276654

ABSTRACT:
A method for simultaneously forming a plurality of organic-solvent-based magnetic layers on a moving support for the manufacture of a magnetic recording medium or the like. The surface tension of a solvent used to form the uppermost of the layers is made lower than that of the other layers. The most preferred range of the surface tension of the solvent which forms the uppermost layer is in a range of 0.1 to 3 dynes.

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