Multilayer magnetooptic recording medium with a polarizable pall

Details Multilayer magnetooptic recording medium with a polarizable pall Multilayer magnetooptic recording medium with a polarizable pall

1990-03-05

1991-02-12

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of inorganic material

428900, G11B 1100

Patent

active

049923382

ABSTRACT:
A multilayer, direct-overwrite, magneto-optic recording elment comprises first and second layers of magnetic materials having different magnetic coercivities and Curie temperatures. Such layers are spaced apart by an intermediate layer comprising a readily polarizable non-magnetic metal. The intermediate layer serves to control the degree of magnetic exchange interaction between the magnetic layers, and prevents the constituents of the magnetic layers from diffusing between such layers.

REFERENCES:
patent: 4559573 (1985-12-01), Tanaka et al.
patent: 4789606 (1988-12-01), Yamada et al.

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