CPC G01N 27/9006 (2013.01) [G01N 33/2045 (2019.01)] | 20 Claims |
1. A magnetic sensor, comprising: a first sensor part,
the first sensor part including,
a first magnetic member;
a first counter magnetic member, a direction from the first magnetic member to the first counter magnetic member being along a first direction; and
a first magnetic element including one or a plurality of first extending portions,
a first portion of the first extending portion overlapping the first magnetic member in a second direction crossing the first direction,
a first counter portion of the first extending portion overlapping the first counter magnetic member in the second direction,
a first direction length along the first direction of the first extending portion being longer than a third direction length along a third direction of the first extending portion, the third direction crossing a plane including the first direction and the second direction,
wherein
the first sensor part includes a first conductive member,
at least a part of the first conductive member overlaps a region between the first magnetic member and the first counter magnetic member in the second direction,
a first current including alternating current component is configured to flow through the first conductive member, and
the first current is along the third direction.
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