Silicon Austria Labs (SAL)

Master Thesis - Experimental characterization of humidity coating influence on the performance of acoustic MEMS sensors (f/m/d)

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In gas flowmeter applications based on acoustic time-of-flight (ToF) measurements, the device working range and measurement accuracy can be strongly affected by the relative humidity and in worse cases condensation. Various coating and packaging strategies can be used to try and seal the acoustic micromachined sensor from the water molecules or droplets that might hinder its function. The thesis consists in characterization and experimental validation of the various coating strategies for ensuring proper function of acoustic MEMS sensors in humid environments. 

The main tasks consist of:  

  • Literature review on coating materials and characteristics for MEMS sensors
  • Design and numerical validation of coating strategies
  • Experimental characterization of coated sensor performance (sensitivity, bandwidth) using electrical, mechanical and acoustic characterization
  • Data processing


  • Master student in Electrical Engineering, Material Science, Applied Physics or similar.
  • Basic experience with electronic laboratory equipment (e.g. oscilloscope) and measurements.
  • Experience in data and signal processing and evaluation.
  • Good knowledge in either Python / Matlab.
  • Self-organized and target-oriented working style.
  • Good oral and written English skills.


  • Start of your employment as soon as possible.
  • State-of-the-art lab facilities and instruments.
  • Home Office possible.
  • € 4.- /day food allowance in restaurants / € 2.- /day in  supermarkets.
  • Family-  & Kids friendly.
  • Free Coffee/Milk/Tee & fresh fruits.

This position is subject to the Collective Agreement for employees in non-university research (Research CA). For this position, we offer a competitive gross salary of EUR 1.713, paid 14 times a year.

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Silicon Austria Labs (SAL) is a top research center for Electronic Based Systems (EBS). At three locations (Graz, Villach, Linz), SAL is conducting research along the entire EBS value chain in the areas of sensor systems, power electronics, intelligent wireless systems, microsystems and embedded systems to develop future-oriented solutions for industrial production, health, energy, mobility, safety and more. SAL brings together key players from industry, science and research and thus valuable expertise and know-how and conducts cooperative, application-oriented research along the value chain. Cooperative projects are co-financed by SAL and enable a fast and unbureaucratic project start. SAL is thus shaping the high-tech location Austria and Europe and developing the future Innovation is our top priority and so are our employees. We are a family-friendly company and support the compatibility of work and family as much as possible. That is why we have been awarded the Work and Family Certificate until 2023. But we are constantly working on new measures to offer our employees an environment where they feel good, healthy and motivated. 

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Master Thesis - Experimental characterization of humidity coating influence on the performance of acoustic MEMS sensors (f/m/d)
Inffeldgasse 33 Graz, Österrike
Sista ansökningsdag
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