Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1984-11-27

1987-02-10

O'Keefe, Veronica

Stock material or miscellaneous articles

All metal or with adjacent metals

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

427131, 427132, 428694, 428626, 428637, 428666, 428667, 428679, H01F 1000

Patent

active

046422706

ABSTRACT:
In a magnetic recording medium comprising a non-magnetic substrate and a magnetic thin film formed on the surface thereof and including at least two layers, the upper layer in the form of a crystalline cobalt-chromium alloy layer suitable for perpendicular magnetization is placed on the lower layer in the form of an amorphous layer of permalloy having high permeability and low coercive force.

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