Multilayer magnetooptic recording media

Details Multilayer magnetooptic recording media Multilayer magnetooptic recording media

1996-06-28

1998-05-12

Zirker, Daniel

Stock material or miscellaneous articles

Composite

Of inorganic material

428694TS, 428668, 428670, 428900, G11B 566, B32B 516

Patent

active

057502749

ABSTRACT:
A magnetooptic medium comprising a substrate, an amorphous seed layer and a recording multilayer deposited onto the seed layer wherein the seed layer has a thickness of greater than 18 nm but less than 200 nm and is selected to improve the coercivity, squareness, and Kerr rotation of the Kerr hysteresis loop of the recording multilayer, and the recording multilayer includes alternating layers of cobalt and platinum or cobalt and palladium or cobalt and platinum-palladium alloy.

REFERENCES:
patent: 5082749 (1992-01-01), Carcia
patent: 5192626 (1993-03-01), Sekiya et al.
patent: 5407755 (1995-04-01), Brucker et al.
patent: 5436072 (1995-07-01), Hatwar et al.
patent: 5563000 (1996-10-01), Hatwar et al.
patent: 5565266 (1996-10-01), Hatwar et al.
J. P Abst 40-3080-421-A.
"Dielectric Enhancement Layers for a Co/Pt Multilayer Magnetooptic Recording Medium", Carcia et al, Appl. Phys Lett. 58 (1991), pp. 191-193.
S. Sumi et al, ( (Abstract Mq-3, "Magnetooptic Recording International Symposium", (MORIS), Dec., 1992, Tuscon, Arizona)).
RF Sputtered Transparent Conductors The System In.sub.2 O.sub.3 --SnO.sub.2 by John L. Vossen, RCA Review, vol. 32, Jun. 1971.

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