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Binary excitation of a high-Q bulk acoustic microresonator by actuation polarity inversion

Joshua E.-Y. Lee, Ashwin A. Seshia

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

We present a technique for independently exciting two resonant modes of vibration in a single-crystal silicon bulk mode microresonator using the same electrode configuration through control of the polarity of the DC actuation voltage. Applications of this technique may include built-in temperature compensation by the simultaneous selective excitation of two closely spaced modes that may have different temperature coefficients of resonant frequency. The technique is simple and requires minimum circuit overhead for implementation. The technique is implemented on square plate resonators with quality factors as high as 3.06 × 106. Copyright © 2008 by ASME.
Original languageEnglish
Title of host publicationASME International Mechanical Engineering Congress and Exposition, Proceedings
Pages443-448
Volume13
DOIs
Publication statusPublished - 2009
Externally publishedYes
Event2008 ASME International Mechanical Engineering Congress and Exposition, IMECE 2008 - Boston, MA, United States
Duration: 31 Oct 20086 Nov 2008

Publication series

Name
Volume13

Conference

Conference2008 ASME International Mechanical Engineering Congress and Exposition, IMECE 2008
PlaceUnited States
CityBoston, MA
Period31/10/086/11/08

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