Magneto optical recording medium

Details Magneto optical recording medium Magneto optical recording medium

1986-02-24

1987-09-01

Lesmes, George F.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428627, 428632, 428651, 428666, 428670, 428672, 428673, 428686, 428212, 428336, 428469, 428471, 428694, 428697, 428701, 428702, 428704, 428900, G11B 900

Patent

active

046908617

ABSTRACT:
A magneto optical recording medium comprising laminating a reflective layer, a dielectric undercoat layer and a hexagonal magnetoplumbite-type metal oxide magnetic layer on a substrate in order, characterized by that said magnetic layer is made an excellently C axis - orientated perpendicular magnetic film by putting the crystal misfit between said reflective layer and said dielectric undercoat layer formed thereon within .+-.30% and the crystal misfit between said dielectric undercoat layer and said hexagonal magnetoplumbite -type metal oxide magnetic layer formed thereon within .+-.30%, and thus various characteristics are widely improved.

REFERENCES:
patent: 4543198 (1985-09-01), Kamiyama
patent: 4544602 (1985-10-01), Kobayashi et al.
patent: 4562105 (1985-12-01), Machida et al.

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