Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.sna.2003.10.017
Title: Frequency coupling and energy trapping in mesa-shaped multichannel quartz crystal microbalances
Authors: Shen, F. 
Lu, P.
O'Shea, S.J.
Lee, K.H. 
Keywords: AT-cut quartz
Energy trapping
Frequency coupling
Mesa
Quartz crystal microbalance
Thickness shear
Issue Date: 15-Mar-2004
Source: Shen, F., Lu, P., O'Shea, S.J., Lee, K.H. (2004-03-15). Frequency coupling and energy trapping in mesa-shaped multichannel quartz crystal microbalances. Sensors and Actuators, A: Physical 111 (2-3) : 180-187. ScholarBank@NUS Repository. https://doi.org/10.1016/j.sna.2003.10.017
Abstract: Mesa-shaped quartz structures have received much attention recently due their ability to trap vibration energy and also decouple the thickness shear (TS) mode from other spurious modes. By using Mindlin's first-order theory, the frequency coupling and energy-trapping problem is studied for AT-cut mesa-shaped multichannel quartz crystal microbalances (MQCM). The coupling between the TS and flexural vibrations is considered. Results show that the mesa structure is able to trap more TS vibration energy within the electrode area compared with a conventional electrode plate and hence the frequency coupling between channels in MQCM can be reduced greatly by using mesa structures. Thus, a multichannel sensor system may be implemented more efficiently on a single chip. © 2003 Elsevier B.V. All rights reserved.
Source Title: Sensors and Actuators, A: Physical
URI: http://scholarbank.nus.edu.sg/handle/10635/60372
ISSN: 09244247
DOI: 10.1016/j.sna.2003.10.017
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