18748563. MAGNETIC SENSOR DEVICE (TDK CORPORATION)

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MAGNETIC SENSOR DEVICE

Organization Name

TDK CORPORATION

Inventor(s)

Kazuma Yamawaki of Tokyo (JP)

MAGNETIC SENSOR DEVICE

This abstract first appeared for US patent application 18748563 titled 'MAGNETIC SENSOR DEVICE



Original Abstract Submitted

A magnetic sensor device includes a support substrate , and a sensor substrate fixed to the support substrate . The sensor substrate includes a first surface B facing the support substrate , and a second surface A that is located on an opposite side to the first surface B and that is provided with a functional film including a plurality of magnetic detection elements E, a hole portion is formed in the first surface B, an outline O of the hole portion includes at least one corner C, C, C . . . , and each of the plurality of magnetic detection elements E is disposed not to overlap any of the at least one corner C, C, C . . . in a plan view seen in a plane-normal direction Z from the second surface A toward the first surface B.