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Thin rod flexural acoustic wave devices: a sensor candidate

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1007/978-1-4615-3742-7_134
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Affiliation
  1. National Research Council of Canada
FormatText, Book Chapter
Subjectsurface acoustic wave; group velocity dispersion; gold wire; mass sensitivity; lamb mode
Abstract
In the past two decades there has been growing interest in the development of integrated acoustic sensors. Sensors based on bulk (BAW) [1,2] and surface (SAW) [3,4] were reported. Most of these sensors operate in a gaseous medium, although a few are used with liquids or solids, to determine concentrations of chemical and biological substances, as well as viscosity, acceleration, temperature, pressure, etc. Recently, Wenzel and White [5] have found out that flexural plate wave gravimetric sensors can have higher mass sensitivity at low operating frequencies (a few MHz) than the BAW or SAW counterparts. The lowest flexural (antisymmetric) Lamb mode, A₀, was used for thin isotropic plates [5]. The thickness of the plates is much smaller than an acoustic wavelength.
Publication date
PublisherSpringer
In
  • Review of Progress in Quantitative Nondestructive Evaluation: 2157–2163.
LanguageEnglish
Peer reviewedYes
NRC numberCNRC 31364
NRC-IMI90TC-11001-987-G
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Record identifierad38415a-9f1a-4e87-8480-359f71d7cbba
Record created2020-08-10
Record modified2020-08-10
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