Method of introducing magnetic anisotropy into magnetic material

Details Method of introducing magnetic anisotropy into magnetic material Method of introducing magnetic anisotropy into magnetic material

1990-06-29

1997-02-11

Ip, Sikyin

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148103, 148108, 148565, H01F 103

Patent

active

056016620

ABSTRACT:
There is disclosed a method of introducing magnetic anisotropy into a magnetic material, in which a laser beam is selectively radiated on the surface of a magnetic material to locally heat it, thereby forming a pattern of boundary phases for magnetically dividing a main phase of the magnetic material into a plurality of regions, and magnetic domains of the divided main phase regions are controlled to induce magnetic anisotropy in the main phase regions.

REFERENCES:
patent: 4456812 (1984-06-01), Neiheisel et al.

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