Patent · US Active

Method and apparatus for defined magnetizing of permanently magnetizable elements and magnetoresistive sensor structures

US8791693B2 · kind B2 · utility

0Cited by

3References

17Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Udo Ausserlechner · Villach, AT
Thomas Bever · Munich, DE
Dirk Hammerschmidt · Villach, AT
Joachim Weitzel · Markt Indersdorf, DE

Key dates

Filing date	Nov 9, 2011
Grant date	Jul 29, 2014
Priority date	—
Expiry date	May 27, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG01R33/1215
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus includes a sensor arrangement with a sensor chip. A magnetic field generator is configured to generate a secondary magnetic field opposing an external primary magnetic field at the sensor chip. The magnetic field generator protects the sensor arrangement against the external primary magnetic field.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.