Production process for a hard disk magnetic recording medium

Details Production process for a hard disk magnetic recording medium Production process for a hard disk magnetic recording medium

1997-03-31

1998-06-02

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

427131, 427132, 427294, 4273831, 4273984, 427404, B05D 512

Patent

active

057596174

ABSTRACT:
The present invention discloses a production process for a hard disk magnetic recording medium in which post-annealing is performed after vacuum deposition of a non-magnetic base layer and magnetic metal polycrystalline layer on a substrate without forming a protective layer and without destroying the vacuum.

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