Method of manufacturing a magnetic recording medium

Details Method of manufacturing a magnetic recording medium Method of manufacturing a magnetic recording medium

1995-06-07

1996-07-30

Pianalto, Bernard

Coating processes

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

Pretreatment of substrate or post-treatment of coated substrate

427131, 427249, 4272552, 427576, 427577, 427579, H05H 100

Patent

active

055409571

ABSTRACT:
A magnetic recording media comprising a non-magnetic substrate, a ferromagnetic thin film on the non-magnetic substrate, a hard carbon film on the ferromagnetic thin film, a modified layer of which atomic ratio of nitrogen/carbon is 0.8% or more, and of which thickness is less than 3 nm on the hard carbon film, and a lubricant layer on the modified layer, has excellent electromagnetic conversion characteristic, running stability, durability, and weatherability.

REFERENCES:
patent: 4889767 (1989-12-01), Yokoyama et al.

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