Soft magnetic thin film having uniaxial magnetic anisotropy

Details Soft magnetic thin film having uniaxial magnetic anisotropy Soft magnetic thin film having uniaxial magnetic anisotropy

1984-06-18

1987-02-24

O'Keefe, Veronica

Stock material or miscellaneous articles

All metal or with adjacent metals

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

428928, 427132, 2041922, H01G 100

Patent

active

046457194

ABSTRACT:
A magnetic device comprised of a soft magnetic thin film having uniaxial magnetic anastropy is achieved by depositing a first permalloy material on a substrate in a pattern having a plurality of small rectangular elements each of which will function as a small bar magnet due to shape anisotropy and depositing a second permalloy film over the remainder of the substrate which will have uniaxial anisotropy due to the magnetic field of each small bar magnet.

REFERENCES:
patent: 3866288 (1975-02-01), Bernard et al.
patent: 4293621 (1981-10-01), Togami
patent: 4371590 (1983-02-01), Izumi et al.
patent: 4395465 (1983-07-01), Takagi et al.
patent: 4410603 (1983-10-01), Yamamori et al.
patent: 4452864 (1984-06-01), Kitahara et al.

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