Magneto-optical recording medium having plasma-polymerized prote

Details Magneto-optical recording medium having plasma-polymerized prote Magneto-optical recording medium having plasma-polymerized prote

1986-08-18

1988-04-12

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428336, 428461, 428500, 428694, 428900, G11B 724

Patent

active

047374080

ABSTRACT:
In a magneto-optical recording medium comprising a perpendicular magnetizable thin film layer formed from an amorphous rare earth metal-transition metal alloy on a substrate with or without an intermediate layer, and a first protective layer formed from a plasma-polymerized film on the magnetizable layer; a second protective layer is formed on the first protective layer by curing a radiation-curable compound coating and/or an undercoat layer of a plasma-polymerized film is formed on the substrate in order to improve the moisture proofness of the magnetic layer. The substrate may be plasma treated to improve adherence. Covering the overall outside surface of the medium with a cured film of a radiation-curable compound ensures best shelf stability.

REFERENCES:
patent: 4546464 (1985-10-01), Inoue et al.

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