H - Electricity – 01 – F
Patent
H - Electricity
01
F
75/1.1
H01F 1/04 (2006.01) C21D 1/04 (2006.01) C22C 45/04 (2006.01)
Patent
CA 1175685
ABSTRACT OF THE DISCLOSURE A process for manufacturing an amorphous alloy involves thermally treating or annealing the amorphous alloy material at a temperature lower than the crystal- lization temperature thereof through rotation of the alloy material relative to a magnetic field at a velocity so as to meet the relation as follows: R?O = 0. 5n where R is a number of rotation, ?O is an average time required to reach the amorphous alloy material to a thermal equilibrium state of induced magnetic anisotropy; and n is a natural number The amorphous alloy thus prepared possesses a high permeability and a high saturated magnetic flux so that it is suitable as a soft magnetic core material such as magnetic heads.
388301
Aso Koichi
Hayakawa Masatoshi
Hotai Kazuhide
Makino Yoshimi
Ochiai Yoshitaka
Gowling Lafleur Henderson Llp
Sony Corporation
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