CPC G01R 33/063 (2013.01) | 15 Claims |
1. A magnetic sensor comprising:
a sensitive element configured to sense a magnetic field by a magnetic impedance effect; and
a focusing member comprising a soft magnetic material, wherein the focusing member is configured to face the sensitive element and to focus one or more magnetic force lines from an outside of the magnetic sensor onto the sensitive element,
wherein the focusing member further comprises:
a facing part facing the sensitive element;
a wide part provided on a side of the focusing member where the one or more magnetic force lines enter from the outside, the wide part of the focusing member comprising a central portion, a first end portion, and a second end portion;
a first extending part extending from the first end portion of the wide part of the focusing member in a direction parallel to the one or more magnetic force lines; and
a second extending part extending from the second end portion of the wide part of the focusing member in a direction parallel to the one or more magnetic force lines.
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