METHOD FOR DETECTING CONTAMINATION OF A MEMS SENSOR
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United States of America
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Feb 20, 2025
app pub date -
Jul 31, 2024
filing date -
Jul 31, 2024
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Abstract
A method for detecting contamination of a micro-electromechanical sensor of a sensor module using a heater, wherein the sensor module has a temperature sensor arranged at a distance from the heater and from the micro-electromechanical sensor. The heater heats the sensor, which is measured by the temperature sensor. The sensor measures physical quantities at different times. The measured physical quantities are compensated based on the temperatures measured at the different times. It is ascertained based on the compensated physical quantities and the temperature difference between the different times whether the micro-electromechanical sensor is free of contamination or has contamination. A system for detecting contamination of a micro-electromechanical sensor of a sensor module, a computer program and a machine-readable storage medium, are also described.
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