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

Claim 17:
18. The sensor according to claim 15, wherein
the second sensor part includes:
a second magnetic member; and
a second counter magnetic member,

a direction from the second magnetic member toward the second counter magnetic member being along the first direction,
the second magnetic element includes one or a plurality of second extension parts,
the second extension part includes a second magnetic layer, a second counter magnetic layer, and a second nonmagnetic layer,
the second magnetic layer includes a second portion, a second counter portion, and a second middle portion,
a direction from the second portion toward the second counter portion being along the second direction,
the second middle portion is between the second portion and the second counter portion,
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,
the third sensor part includes:
a third magnetic member; and
a third counter magnetic member,

a direction from the third magnetic member toward the third counter magnetic member being along the first direction,
the third magnetic element includes one or a plurality of third extension parts,
the third extension part includes a third magnetic layer, a third counter magnetic layer, and a third nonmagnetic layer,
the third magnetic layer includes a third portion, a third counter portion, and a third middle portion,
a direction from the third portion toward the third counter portion being along the second direction,
the third middle portion is between the third portion and the third counter portion,
the third nonmagnetic layer is between the third counter magnetic layer and at least a portion of the third middle portion in the second direction,
the fourth sensor part includes:
a fourth magnetic member; and
a fourth counter magnetic member,

a direction from the fourth magnetic member toward the fourth counter magnetic member being along the first direction,
the fourth magnetic element includes one or a plurality of fourth extension parts,
the fourth extension part includes a fourth magnetic layer, a fourth counter magnetic layer, and a fourth nonmagnetic layer,
the fourth magnetic layer includes a fourth portion, a fourth counter portion, and a fourth middle portion,
a direction from the fourth portion toward the fourth counter portion being along the second direction,
the fourth middle portion is between the fourth portion and the fourth counter portion,
the fourth nonmagnetic layer is between the fourth counter magnetic layer and at least a portion of the fourth middle portion in the second direction.