In this work, an alternative concept of a MEMS microphone was designed to improve the signal-to-noise ratio. In the new concept, the sound signal is detected by the capacitance change in a micromechanical comb drive. To support the design process, a physically based modular simulation model was derived that predictively maps the entire microphone function. The successful implementation of the concept is reflected in the realized prototypes, which, together with comprehensive theoretical investigations, underline the potential of the new microphone concept.
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In this work, an alternative concept of a MEMS microphone was designed to improve the signal-to-noise ratio. In the new concept, the sound signal is detected by the capacitance change in a micromechanical comb drive. To support the design process, a physically based modular simulation model was derived that predictively maps the entire microphone function. The successful implementation of the concept is reflected in the realized prototypes, which, together with comprehensive theoretical investig...
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