| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic detection element enhanced in the detection intensity of a magnetic field of an inspection target substance. SOLUTION: The magnetic detection element has: a magnetic body to which an AC magnetic field is applied; and a detection coil which detects the magnetic field received by the magnetic body. Then, the surface of the magnetic body in the detection coil is bisected into a first region and a second region in the longitudinal direction of the detection coil, and the affinity of the detection target substance is different at least in a part of the first region from in a second region. COPYRIGHT: (C)2009,JPO&INPIT
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