H - Electricity – 01 – P
Patent
H - Electricity
01
P
333/89, 317/29.4
H01P 1/218 (2006.01) H01F 7/02 (2006.01)
Patent
CA 1232039
ABSTRACT OF THE DISCLOSURE Disclosed herein is a magnetic apparatus comprising: a magnetic circuit including magnetic yoke and a magnet, with a magnetic gap formed in the circuit for forming a uniform d.c. bias magnetic field in the magnetic gap; a magnetic device made of magnetic material of certain composition and placed in the magnetic gap so that the device operates in the d.c. bias magnetic field; and a soft magnetic plate provided in the magnetic gap, the soft magnetic plate being made of magnetic material having composition substantially identical to the composition of the magnetic device.
475240
Ito Seigo
Murakami Yoshikazu
Gowling Lafleur Henderson Llp
Sony Corporation
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