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A MEMS-based quartz resonator technology for GHz applications
Ist Teil von
Proceedings of the 2004 IEEE International Frequency Control Symposium and Exposition, 2004, 2004, p.27-34
Ort / Verlag
IEEE
Erscheinungsjahr
2004
Quelle
IEEE Electronic Library (IEL)
Beschreibungen/Notizen
We report on the development of a new MEMS quartz resonator technology that allows for the processing and integration of VHF to UHF high-Q oscillators and filters with high-speed silicon or III-V electronics. The paper describes the successful demonstration of new wafer bonding and dry plasma etching processes that make quartz-MEMS technology possible. We present impedance, Q, and temperature sensitivity data along with comparison to 3D harmonic and thermal analysis of VHF-UHF resonators. We also show Coventor simulation data of our first two- and three-pole monolithic crystal filter designs as well as a filter array layout which facilitates integration with front-end RF electronics and switches. Finally, we demonstrate a mechanical tuning technique for our resonators utilizing focused-ion-beam (FIB) technology.