| 摘要 |
A sensor device is configured by using a sensor element including functions as a magnetic field sensor and capable of generating the magnetic field for collecting magnetic particles on a sensor surface by the application of the current. As a result, a sensor device can be provided in which the magnetic particles serving as a label can be effectively collected on the sensor, and at the same time, the influence given to the sensor by the magnetic field for collecting the magnetic particles can be reduced.
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