Buch
Airborne Capacitive Micromachined Ultrasonic Transducers in Dual-Backplate Technology
Sebastian Anzinger
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Übersicht
Verlag | : | Dr. Hut |
Buchreihe | : | Mikrosystemtechnik |
Sprache | : | Englisch |
Erschienen | : | 04. 11. 2022 |
Seiten | : | 203 |
Einband | : | Kartoniert |
Höhe | : | 210 mm |
Breite | : | 148 mm |
Gewicht | : | 313 g |
ISBN | : | 9783843951579 |
Sprache | : | Englisch |
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Produktinformation
This dissertation discusses the development and simulation of novel capacitive micromachined ultrasonic transducers (CMUTs) for airborne gesture control and distance sensing tasks. The CMUTs are fabricated in a dual-backplate (DBP) electromechanical system (MEMS) technology and consist of a few hundred nanometer thin membrane placed between two highly perforated counter-electrodes. Fabricated CMUT modules comprising the MEMS, an application specific integrated circuit (ASIC) and a package are in detail characterized and theoretically investigated via a lumped element-based system-level simulation model. Integrating the highly miniaturized, low-cost and low-driving-voltage DBP CMUTs into phased-array based imaging systems proves their applicability to gesture control tasks in mobile communication devices.