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Title: High sensitivity cymbal-based accelerometer
Authors: Sun, C
Lam, KH
Choy, SH
Chan, HLW 
Zhao, X
Choy, CL
Keywords: Piezoelectric devices
Acceleration measurement
Issue Date: 27-Mar-2006
Publisher: American Institute of Physics
Source: Review of scientific instruments, 27 Mar. 2006, v. 77, no. 3, 036109, p. 1-3 How to cite?
Journal: Review of scientific instruments 
Abstract: A high sensitivity piezoelectric accelerometer has been developed by replacing the conventional piezoelectric rings with a cymbal transducer. The sensitivity of the cymbal-based accelerometers containing cymbal transducers with different endcap thicknesses and different seismic masses has been measured as a function of driving frequency. Due to the high d'₃₃ coefficient of the cymbal transducers, the cymbal-based accelerometers have a high sensitivity of ~97 pC/ms[sup -]² with the amplitude rise of 2.85% (<1 dB) at one-third of the mounted resonance frequency (3.38 kHz). The effect of the seismic mass, the resonance frequency, and d'₃₃ coefficient of the cymbal transducers on the sensitivity and the frequency range of the cymbal-based accelerometers are reported.
ISSN: 0034-6748
Rights: © 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in C.-L. Sun et al., Rev. Sci. Instrum. 77, 036109 (2006) and may be found at
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