Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1983-08-10

1985-09-24

O'Keefe, Veronica

Stock material or miscellaneous articles

All metal or with adjacent metals

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

428216, 428336, 428635, 428642, 428678, 428668, 428693, 428694, 428900, 427131, 427132, G11B 566, B32B 1504

Patent

active

045433011

ABSTRACT:
A magnetic recording medium having a non-magnetic substrate on which a first bismuth Bi under layer, a first magnetic metal layer, a compound layer made of the magnetic metal, a second bismuth Bi under layer and a second magnetic metal layer are sequentially formed in this order.

REFERENCES:
patent: 3350180 (1967-10-01), Croll
patent: 3479156 (1969-11-01), Ginder
patent: 3880603 (1975-04-01), Whetstone

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