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This paper presents an application specific integrated circuit (ASIC) for driving piezoelectric (PZT) resonant actuated microscanners with low power consumption based on embedded capacitive position sensors. The ASIC utilizes the advantages of low driving voltages offered by the PZT actuation mechanism and the well-established low power concepts for capacitive closed-loop driving circuits. For closed-loop...
Increasing the resistance of a material against fatigue crack growth by optimizing the microstructure is one of the major tasks of modern materials science. Thereby grain and phase boundaries are microstructural elements which can decelerate the propagation rate especially of short cracks. However, in different materials cracks and grain boundaries interact differently. For instance in some steels...
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