Magnetic film structure

Details Magnetic film structure Magnetic film structure

1984-01-16

1986-09-09

Rutledge, L. Dewayne

Stock material or miscellaneous articles

All metal or with adjacent metals

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

428635, 428678, 428679, 428926, 428928, B32B 1500, B32B 1504, G11B 562, G11B 5127

Patent

active

046109358

ABSTRACT:
A magnetic film structure comprises at least one magnetic film unit wherein a plurality of main magnetic films of 0.05 to 0.5 .mu.m thickness made of a magnetic alloy containing iron or cobalt as principal constituent and having a high saturation magnetic induction of 10,000 gauss or more and a magnetostriction of 10.sup.-6 or less are laminated through intermediate magnetic films made of a magnetic material such as a nickel and iron alloy or amorphous magnetic alloy different from that of the main magnetic film and being so thin that the influence of coercive force of the intermediate magnetic film does not come out. A plurality of the magnetic film units are also laminated through non-magnetic insulating films. The magnetic film structure has high saturation magnetic induction and low coercive force.

REFERENCES:
patent: 3673353 (1972-06-01), Tiemann et al.
patent: 3829372 (1974-08-01), Heller
patent: 4156882 (1979-05-01), Delagi et al.
patent: 4364020 (1982-12-01), Lin et al.

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