Method for manufacturing magnetic recording medium

Details Method for manufacturing magnetic recording medium Method for manufacturing magnetic recording medium

1997-11-17

1999-04-06

Pianalto, Bernard

Coating processes

Magnetic base or coating

Magnetic coating

427131, 427250, 4272552, 4272557, B05D 512

Patent

active

058915141

ABSTRACT:
In a method for manufacturing a magnetic recording medium, a non-metallic metal base layer, a ferromagnetic alloy thin-film magnetic layer and a protective layer are successively laminated on a non-magnetic substrate. The ferromagnetic alloy thin-film magnetic layer consists of a first magnetic layer and a second magnetic layer. In the method of the present invention, the first magnetic layer is formed in an atmosphere containing an Ar gas, and the second magnetic layer is formed in an atmosphere containing a mixture of Ar and N.sub.2 gases.

REFERENCES:
patent: 5232566 (1993-08-01), Edmonson et al.
"Effects of O.sub.2 Addition On Magnetic Layer of CoCrTa/Cr, CoCrPtB/Cr Media", Digests of the 19th Annual Conference on Magnetics in Japan, 1995 (No month avail.).

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