Data recording medium

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428215, 428332, 428336, 428469, 428472, 428694, 428900, G11B 724

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active

046667598

ABSTRACT:
A data recording medium comprising, as a recording layer, a thin magnetic alloy film having an axis of easy magnetization along a direction perpendicular to the surface thereof, and an anticorrosion protective layer formed on the recording layer. This recording medium is featured in that the anticorrosion protective layer is formed of a thin oxide film which is obtained by subjecting the surface portion of the recording layer to an anodic oxidization. This protective layer may be further covered with a dielectric film as a second protective covering.

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Z. Szklarska-Smialowska and Kozlowski, J. Electrochem. Soc., 131, 234 (1984).
T. Ohtsuka and N. Sato, Nippon Kinzoku Gakkaishi, 39, 60 (1975).

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