| 摘要 |
A magnetic sensor apparatus includes a substrate, a plurality of magnetoresistance sensor units, a compensation coil and a reset coil. The magnetoresistance sensor units are disposed on the substrate. The compensation coil is disposed over the magnetoresistance sensor units. The compensation coil is used for introducing a compensating current. The reset coil is disposed over the magnetoresistance sensor units. The reset coil is used for introducing a resetting current. The resetting current is used for resetting the magnetoresistance sensor units. The reset coil has a plurality of notch structures located at turning portions of the reset coil.
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