Abstract: A magnetic field sensor for measuring an external magnetic field, including a sensor unit; and a flux conductor assembly including at least one switchable element, which is designed to deflect a flux of the external magnetic field onto the sensor unit as a function of a switching state of the at least one switchable element, the sensor unit being designed to measure the deflected flux of the external magnetic field; and an evaluation unit, which is designed to ascertain a value of the external magnetic field as a function of the deflected flux of the external magnetic field measured by the sensor unit and the switching state of the at least one switchable element.

Abstract: The invention relates to a magnetic field sensor (1; 2; 4; 6) for measuring an external magnetic field (100), including a sensor unit (107; 607); and a flux conductor assembly (110; 210; 410; 610) including at least one switchable element (101 through 104; 201 through 204; 401 through 404; 601 through 604), which is designed to deflect a flux of the external magnetic field (100) onto the sensor unit (107; 607) as a function of a switching state of the at least one switchable element (101 through 104; 201 through 204; 401 through 404; 601 through 604), the sensor unit (107; 607) being designed to measure the deflected flux of the external magnetic field (100); and an evaluation unit (111), which is designed to ascertain a value of the external magnetic field (100) as a function of the deflected flux of the external magnetic field (100) measured by the sensor unit (107; 607) and the switching state of the at least one switchable element (101 through 104; 201 through 204; 401 through 404; 601 through 604).

Abstract: A sensor apparatus having at least one magnet core, on at least one carrier surface, which encompasses at least one soft magnetic material and for which a respective longitudinal center plane, which is oriented perpendicularly to the carrier surface and divides the respective magnet core into two halves having an identical mass, is definable, at least one coil being on, around, and/or adjacent to the at least one magnet core, the at least one magnet core having in its interior sub-regions by which an initiation of a magnetization reversal of the respective magnet core is targetedly locally controllable since a drive energy to be applied for propagation of a magnetic domain wall is elevated. Also described is a manufacturing method for a sensor apparatus having at least one magnet core, and a method for ascertaining a field strength of a magnetic field in at least one spatial direction.

Abstract: A method for manufacturing a Hall sensor, an insulation layer being initially applied to a wafer including an ASIC or integrated into the wafer, a Hall layer, for example, made of InSb or another III-V semiconductor material, being situated thereon, and this Hall layer being at least sectionally recrystallized with the aid of a laser. The insulation layer may be porous or may include a cavity or reflective layer for thermal protection of the ASIC.

Abstract: A magnetic sensor device having a first magnetic core structure which is aligned along a first central longitudinal axis and has at least one first coil, and having a second magnetic core structure which includes at least one second coil, the second magnetic core structure extending from a first end face of the second magnetic core structure along a second central longitudinal axis to a second end face of the second magnetic core structure, the second central longitudinal axis lying in a plane aligned in a direction normal to the first central longitudinal axis, and the second magnetic core structure being positioned in relation to the first magnetic core structure in such a way that a clearance between the first end face of the second magnetic core structure and a first center of mass of the first magnetic core structure is less than 20% of a maximum extension of the first magnetic core structure along the first central longitudinal axis.

Abstract: A sensor apparatus having at least one magnet core, on at least one carrier surface, which encompasses at least one soft magnetic material and for which a respective longitudinal center plane, which is oriented perpendicularly to the carrier surface and divides the respective magnet core into two halves having an identical mass, is definable, at least one coil being on, around, and/or adjacent to the at least one magnet core, the at least one magnet core having in its interior sub-regions by which an initiation of a magnetization reversal of the respective magnet core is targetedly locally controllable since a drive energy to be applied for propagation of a magnetic domain wall is elevated. Also described is a manufacturing method for a sensor apparatus having at least one magnet core, and a method for ascertaining a field strength of a magnetic field in at least one spatial direction.

Abstract: A magnetic sensor device having a first magnetic core structure which is aligned along a first central longitudinal axis and has at least one first coil, and having a second magnetic core structure which includes at least one second coil, the second magnetic core structure extending from a first end face of the second magnetic core structure along a second central longitudinal axis to a second end face of the second magnetic core structure, the second central longitudinal axis lying in a plane aligned in a direction normal to the first central longitudinal axis, and the second magnetic core structure being positioned in relation to the first magnetic core structure in such a way that a clearance between the first end face of the second magnetic core structure and a first center of mass of the first magnetic core structure is less than 20% of a maximum extension of the first magnetic core structure along the first central longitudinal axis.

Abstract: A magnetic field sensor device and a corresponding production method are described. The magnetic field sensor device includes a substrate, which has a trench, a ferromagnetic nanowire formed in the trench, a first electrical connection for the electrical connection of a first end of the ferromagnetic nanowire, a second electrical connection for the electrical connection of a second end of the ferromagnetic nanowire, and a magnetic field detection device for detecting a magnetic field in the region of the nanowire.

Abstract: A magnetic field sensor having a first magnetic sensor core for measuring a magnetic field in a first measuring direction, and a second magnetic sensor core for measuring a magnetic field in a second measuring direction, the first and second magnetic sensor cores having a shared magnetic anisotropy.

Abstract: A magnetic field sensor includes a magnetizable core having a curved surface at least sectionally, a magnetization device for magnetizing the core, and a determination device for determining a magnetic field in the core.

Abstract: A magnetic field sensor device and a corresponding production method are described. The magnetic field sensor device includes a substrate, which has a trench, a ferromagnetic nanowire formed in the trench, a first electrical connection for the electrical connection of a first end of the ferromagnetic nanowire, a second electrical connection for the electrical connection of a second end of the ferromagnetic nanowire, and a magnetic field detection device for detecting a magnetic field in the region of the nanowire.

Abstract: A sensor having a substrate, a cap and a seismic mass is proposed, the substrate having a main extension plane, the seismic mass being deflectable perpendicular to the main extension plane, a first stop of the cap covering a first area of the seismic mass perpendicular to the main extension plane in a first coverage region and a second stop of the cap covering a second area of the seismic mass perpendicular to the main extension plane in a second coverage region, and furthermore the first and second coverage regions parallel to the main extension plane being essentially equal in size. The distances of the coverage regions from a pivot axis of the mass designed as a rocker are equal so that the torques caused by electronic forces offset one another.

Abstract: A magnetoresistive sensor is provided having a multilayer stack comprising a plurality of ferromagnetic layers including at least one first ferromagnetic layer and at least one second ferromagnetic layer, the first and second ferromagnetic layers being spaced apart by nonferromagnetic spacer layers that antiferromagnetically couple the ferromagnetic layers. The magnetizations of the first and second ferromagnetic layers are different resulting in the multilayer stack having a net magnetic moment.