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Your future responsibilities
Uncooled infrared bolometer arrays have become the technology of choice for low-cost infrared imaging systems. Micro-bolometers detectors absorb the incident electromagnetic IR radiation and cause the thermally isolated bolometer structure to increase its temperature. The temperature change, which is therefore correlated with the energy of the absorbed radiation, can be measured by a change of the electrical resistance of the thermistor material. Typically, a temperature increase of 1K in the imaged object results in a temperature increase in the bolometer in the order of few µK. Although the technology is demonstrated and mature, novel sensing materials are constantly being investigated to enhance the performance of the bolometers or decrease their production costs. Attractive materials have high temperature coefficients and low intrinsic noise due e.g. to electron traps, but also good compatibility with standard fabrication processes. The goal of the thesis is to measure the performance of microbolometers with novel materials, report the results and give feedbacks to the designers and fabrication engineers, as well as inputs for the read out circuit designers.
In this proposed master thesis, the student will:
- Perform a literature review (scientific articles, patents).
- Explore parameter space through FEM simulations and modelling.
- Electrically/thermally and optically characterize test structures (single pixels, 1D and 2D arrays).
- Perform first reliability characterization of suspended structures.
- Extract devices figures of merit, communicate to readout design team.
- Issue recommendations for the next design.
Your profile
Your profile:
- Master student in physics, microsystem technologies or similar field
- Experience with experimental setups
- Experience with data processing, evaluation and visualization software or language (e.g. Matlab, Python)
- Experience with simulation software and/or CAD tools is valuable
- Autonomy and good reporting skills
- Good teamwork and
- Good communication skills in English, German is an advantage
Important Facts about SAL
- Start of your employment as soon as possible.
- Duration: around 6 months.
- 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.
About us
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, RF (radiofrequency) systems, system integration 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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