Magnetooptic recording medium

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...

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428694MM, 428928, 428611, 428670, G11B 5716, B32B 1500

Patent

active

053709454

ABSTRACT:
A magnetooptic recording medium comprises a substrate and a recording layer which is provided on the substrate and is formed by periodically laminating a plurality of fundamental units. Each of the fundamental units comprises a first layer made of Co, a second layer made of a material selected from Pt, Pd, and Pt-Pd alloy, a third layer made of Co, and a fourth layer made of at least one kind of element selected from Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, and Er.

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patent: 5082749 (1992-01-01), Carcia
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patent: 5132945 (1992-07-01), Osato et al.

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