Method for manufacturing a magnetic recording member

Details Method for manufacturing a magnetic recording member Method for manufacturing a magnetic recording member

1996-01-22

1997-07-08

Pianalto, Bernard

Coating processes

Direct application of electrical, magnetic, wave, or...

Pretreatment of substrate or post-treatment of coated substrate

1566431, 1566461, 427128, 427130, 427131, 427132, 427264, 427271, 427343, 427344, 427377, 4273881, 427404, 4274197, 427535, 427555, 427558, H05H 100

Patent

active

056458983

ABSTRACT:
The present invention may provide a method for manufacturing a magnetic recording medium with high reliability by rendering simply a surface of a magnetic recording medium rough. A recording film of a magnetic material is formed on a nonmagnetic substrate, then a multilayered or composite protection film including first and second materials is formed on the recording film, and then selectively etching one of said first and second materials to transform a surface of the recording film into a rough surface.

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