Magnetoresistive sensor for measuring intensity of magnetic field, has sensitive unit with one component oriented in direction of magnetic field for obtaining magnetic moment that varies reversibly according to field intensity

摘要

The sensor has a sensitive unit (4) with a ferromagnetic layer (FM1) and an anti-ferromagnetic layer (AF1) superimposed on each other. A component of sensitive unit is oriented in the direction of magnetic field to be measured for obtaining a magnetic moment. The magnetic moment varies reversibly according to the intensity of the magnetic field to be measured, and is linearly adjustable in a range of field. An independent claim is also included for a use of a magnetoresistive sensor.