Method for heat-treating amorphous alloy films

Details Method for heat-treating amorphous alloy films Method for heat-treating amorphous alloy films

1980-09-05

1982-01-26

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148 3155, C21D 104

Patent

active

043126839

ABSTRACT:
Amorphous alloy films are heat-treated in the presence of a magnetic field directed in a particular direction so as to suppress induced magnetic anisotropy in the film. The directed magnetic field includes a vertical magnetic field whose direction is perpendicular to the plane of the film, and a rotating magnetic field whose direction is being rapidly changed within a parallel plane with respect to the plane of the amorphous alloy film.

REFERENCES:
patent: 4033795 (1977-07-01), Berry et al.
patent: 4126287 (1978-11-01), Mendelsohn et al.
patent: 4152147 (1979-05-01), Hasegawa
patent: 4221592 (1980-09-01), Ray
Mitchell et al., ".DELTA.E Effect and Magnetomechanical Coupling Fe.sub.80 B.sub.20 and Fe.sub.78 Si.sub.10 B.sub.12 Glassy Ribbons," IEEE Trans. on Mag. vol.: May 14, No. 6, Nov. 1978, pp. 1169-1171.
Hasegawa et al., "Advances in Ferromagnetic Metallic Glasses" AIP Conference Proceedings No. 34, American Inst. of Phys. 1976, pp. 298-303.
Graham et al., "Magnetic Properties of Amorphous Materials", Metals Technology, Jun. 1980, pp. 244-247.

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