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Proceedings Paper

Microparticle transport and concentration with surface acoustic waves
Author(s): Irving J. Oppenheim; Erin R. Dauson; David W. Greve; Kelvin B. Gregory
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Paper Abstract

We describe lithium niobate SAW devices and PDMS microfluidic channels with which we study microparticle movement. We generate standing surface acoustic waves (with wavelengths of 200 micrometers) and show that microparticles (between 5 and 35 micrometers in diameter) move to nodes or antinodes. We report measurements of device response in the presence and absence of the microfluidic channel, which we combine with finite element simulation modeling to extract estimates of the PDMS damping.

Paper Details

Date Published: 19 April 2013
PDF: 8 pages
Proc. SPIE 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013, 86921D (19 April 2013); doi: 10.1117/12.2008936
Show Author Affiliations
Irving J. Oppenheim, Carnegie Mellon Univ. (United States)
Erin R. Dauson, Carnegie Mellon Univ. (United States)
David W. Greve, Carnegie Mellon Univ. (United States)
Kelvin B. Gregory, Carnegie Mellon Univ. (United States)


Published in SPIE Proceedings Vol. 8692:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013
Jerome Peter Lynch; Chung-Bang Yun; Kon-Well Wang, Editor(s)

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