Study on the Equivalent Circuit of Quartz Crystal Microbalance (QCM) with Material Properties

Xue Peng Liu; Dong Mei Zhao

doi:10.4028/www.scientific.net/AMM.252.189

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Study on the Equivalent Circuit of Quartz Crystal Microbalance (QCM) with Material Properties
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 252Study on the Equivalent Circuit of Quartz Crystal...

Study on the Equivalent Circuit of Quartz Crystal Microbalance (QCM) with Material Properties

Abstract:

The quartz crystal micro balances (QCM) principle is simply introduces. LEM model can accurately describe TSM sensors with surface the load, instead of complicated TLM model. The configuration of sensor has pure quality load, liquid load in fluid Newton system, the sticky elastic thin film, and viscoelastic membrane plus half infinite liquid. Two kinds of material properties model prediction deviate with no more than 3% error. The rule of Judging TLM to be the LEM is Zl/Zq<0.1