Provided is a method of measuring a magnitude of magnetization of a perpendicular magnetic thin film, including: forming a stripe pattern in which a first magnetic domain that extends in a y direction and is magnetized in a z direction and a second magnetic domain that extends in the y direction and is magnetized in a direction opposite to the z direction are arranged alternately in an x direction, in a perpendicular magnetic thin film that extends in an xy plane; changing widths in the x direction, of the first and second magnetic domains by applying a magnetic field having a predetermined magnitude, in the z direction, to the perpendicular magnetic thin film; and calculating an absolute value of the magnetization of the perpendicular magnetic thin film on the basis of a ratio between the widths in the x direction, of the first magnetic domain and the second magnetic domain.

A component carrier with an integrated magnetic field sensor is disclosed. The component carrier includes a plurality of electrically conductive layer structures and/or electrically insulating layer structures; an excitation coil and sensor coils arranged on and/or in the layer structures; a first magnetic structure above the excitation coil and sensor coils; and a second magnetic structure below the excitation coil and sensor coils.

A component carrier with an integrated magnetic field sensor is disclosed. The component carrier includes a plurality of electrically conductive layer structures and/or electrically insulating layer structures; an excitation coil and sensor coils arranged on and/or in the layer structures; a first magnetic structure above the excitation coil and sensor coils; and a second magnetic structure below the excitation coil and sensor coils.

Sensitivity of a magnetic sensor using the magnetic impedance effect is improved. A magnetic sensor includes: a non-magnetic substrate; a sensitive element provided on the substrate, including a soft magnetic material, having a longitudinal direction and a short direction, provided with uniaxial magnetic anisotropy in a direction intersecting the longitudinal direction, and sensing a magnetic field by a magnetic impedance effect; and a protrusion part including a soft magnetic material and protruding from an end portion in the longitudinal direction of the sensitive element.

Sensitivity of a magnetic sensor using the magnetic impedance effect is improved. A magnetic sensor includes: a non-magnetic substrate; a sensitive element provided on the substrate, including a soft magnetic material, having a longitudinal direction and a short direction, provided with uniaxial magnetic anisotropy in a direction intersecting the longitudinal direction, and sensing a magnetic field by a magnetic impedance effect; and a protrusion part including a soft magnetic material and protruding from an end portion in the longitudinal direction of the sensitive element.

An integrated sensor device includes: a semiconductor substrate comprising a horizontal Hall element, and an integrated magnetic flux concentrator located substantially above said horizontal Hall element, wherein the first magnetic flux concentrator has a shape with a geometric center which is aligned with a geometric centre of the horizontal Hall element; and wherein the shape has a height H and a transversal dimension D, wherein H≥30 μm and/or wherein (H/D)≥25%. The integrated magnetic flux concentrator may be partially incorporated in the “interconnection stack”. A method is provided for producing such an integrated sensor device.

Axial magnetic flux sensors are described. The axial magnetic flux sensors comprise multiple substrates with conductive traces on them in some embodiments, and in other embodiments a single substrate or no substrate. When multiple substrates are provided, the substrates couple together such that the conductive traces connect to form a coil. The coil may be a continuous, multi-loop coil. When the substrates are coupled together, they may define an opening to accommodate a shaft or other piece of equipment.

A micro-fluxgate sensor has a double-iron core assembly, a self-oscillating module, a current superimposing and amplifying module and a voltage acquisition module. The double-iron core assembly comprises a first iron core and a second iron core. The first iron core is provided with a first winding coil. The second iron core is provided with a second winding coil. The first winding coil and the second winding coil are respectively connected with an input end of the self-oscillating module, and an output end of the self-oscillating module is respectively connected with the current superimposing and amplifying module and the voltage acquisition module. The fluxgate sensor is simple in processing circuit without manual debugging and is easily integrated.

Disclosed herein is a magnetic sensor that includes a sensor chip having a first magnetic layer, a second magnetic layer, and a magnetosensitive element; a first magnetism collecting member covering the first magnetic layer; and a second magnetism collecting member having a body part covering a back surface of the sensor chip, a first protruding part connected to the body part and covering a side surface of the sensor chip, and a second protruding part connected to the first protruding part and covering the second magnetic layer. The second protruding part has a first surface facing the second magnetic layer. The first surface is higher in flatness than at least one of the other surfaces of the second magnetism collecting member.

Disclosed herein is a magnetic sensor that includes a sensor chip having a first magnetic layer, a second magnetic layer, and a magnetosensitive element; a first magnetism collecting member covering the first magnetic layer; and a second magnetism collecting member having a body part covering a back surface of the sensor chip, a first protruding part connected to the body part and covering a side surface of the sensor chip, and a second protruding part connected to the first protruding part and covering the second magnetic layer. The second protruding part has a first surface facing the second magnetic layer. The first surface is higher in flatness than at least one of the other surfaces of the second magnetism collecting member.