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US 2013/0278246 A1Published application
Bias Field Generator and Method
AssigneeInfineon Technologies AG
InventorsFranz Stegerer, Klaus Elian, Michael Weber
Life of this patent
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Abstract
A bias field generator can provide a magnetic bias field for a magnetic sensor. The bias field generator includes a body with magnetic or magnetizable material. A recess is formed in the body. The recess is adapted to a package of the magnetic sensor.
Claims28
A device, comprising
- a bias field generator configured to provide a magnetic bias field for a magnetic sensor, wherein the bias field generator comprises:
- a body comprising magnetic or magnetizable material;
- a magnetic sensor;
- a package accommodating the magnetic sensor;
- a recess formed in the body, wherein the recess is adapted to the package.
2 more elements
A device, comprising:
- a bias magnet to provide a magnetic bias field for a magnetic sensor, wherein
- the bias magnet is shaped to provide a holder for the magnetic sensor.
A sensor module, comprising:
- a magnetic sensor for sensing a magnetic field;
- a housing in which the magnetic sensor is encapsulated;
- and
- a bias magnet to provide a magnetic bias field for the magnetic sensor;
- wherein the bias magnet is shaped to provide a holder for the housing of the magnetic sensor, the housing being disposed within the holder.
2 more elements
A method for manufacturing a sensor module, the method comprising:
- providing a magnetic sensor that is encapsulated in a housing;
- providing a bias magnet shaped to provide a holder for the housing of the magnetic sensor;
- and
- inserting the housing into the holder of the bias magnet.
1 more element
A method for manufacturing a bias field generator to provide a magnetic bias field for a magnetic sensor, comprising:
- providing a powder of magnetic particles;
- and
- molding or pressing the powder into a body that is shaped to provide a holder for a housing of the magnetic sensor.
Dependencies are inferred from the claim text.