Process for producing magneto-optic recording medium

Details Process for producing magneto-optic recording medium Process for producing magneto-optic recording medium

1990-04-23

1991-07-02

Nguyen, Nam X.

Chemistry: electrical and wave energy

Processes and products

Coating, forming or etching by sputtering

20419215, C23C 1442

Patent

active

050283057

ABSTRACT:
A method for producing a magneto-optic layer includes depositing amorphous magnetizable film layer on a substrate using a triode sputtering process. The magneto-optic layer includes an alloy of terbium, cobalt, iron, chromium and an oxygen content approximately between 2-6 atom percent midway through the thickness of the layer.

REFERENCES:
patent: 4569881 (1986-02-01), Freese et al.
patent: 4684454 (1987-08-01), Gardner

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