Patent ID: 11946975
Assignee: KABUSHIKI KAISHA TOSHIBA
Field: Measurement (Instruments)
Classification: CPC G  A | IPC A  G

Claim 12:
13. A magnetic sensor, comprising:
a first sensor part including
a first magnetic member,
a first counter magnetic member, a direction from the first magnetic member toward the first counter magnetic member being along a first direction, and
a first magnetic element including one or a plurality of first extension parts,

the first extension part including a first magnetic layer, a first counter magnetic layer, and a first nonmagnetic layer,
the first magnetic layer including a first portion, a first counter portion, and a first middle portion,
a direction from the first portion toward the first counter portion being along the first direction,
the first middle portion being between the first portion and the first counter portion,
the first nonmagnetic layer being between the first counter magnetic layer and at least a portion of the first middle portion in a second direction crossing the first direction;
wherein
the first sensor part further includes an other first counter magnetic member,
the first counter magnetic member is between the first magnetic member and the other first counter magnetic member in the first direction,
the first extension part further includes a second counter magnetic layer and a second nonmagnetic layer,
the first magnetic layer further includes a second counter portion and a second middle portion,
the first counter portion is between the first portion and the second counter portion in the first direction,
the second middle portion is between the first counter portion and the second counter portion, and
the second nonmagnetic layer is between the second counter magnetic layer and at least a portion of the second middle portion in the second direction.