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Differential top-read magnetic sensor with low cost back bias magnet

Patentnummer:US10539432B2
IPC Hauptklasse:G01D000522
Anmelder:Infineon Technologies AG (0)
85579, Neubiberg, DE
Erfinder:
Anmeldung:29.01.18
Offenlegung:29.01.18
Patenterteilung:21.01.20

Abstract / Hauptanspruch
A sensor module may include a magnet with a magnetization in a first direction, and a sensor chip including a first sensing element and a second sensing element arranged on a plane defined by the sensor chip. The first direction may be substantially parallel to the main surface of the sensor chip. The first sensing element and the second sensing element may be sensitive to an in-plane component of a magnetic field along the first direction or may be sensitive to an in-plane component of the magnetic field perpendicular to the first direction. The first sensing element and the second sensing element may be positioned beyond an edge of the magnet along the first direction such that the first sensing element and the second sensing element protrude past the edge of the magnet along the first direction.

US10539432B2


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