Layered surface acoustic wave chemical and bio-sensors

Powell, D, Kalantar-Zadeh, K, Wlodarski, W and Ippolito, S 2006, 'Layered surface acoustic wave chemical and bio-sensors' in C. Grimes, E. Dickey and M. Pishko (ed.) Encyclopedia of Sensors, Volume 5 I-M, American Scientific, Stevenson Ranch, USA, pp. 245-263.


Document type: Book Chapter
Collection: Book Chapters

Title Layered surface acoustic wave chemical and bio-sensors
Author(s) Powell, D
Kalantar-Zadeh, K
Wlodarski, W
Ippolito, S
Year 2006
Title of book Encyclopedia of Sensors, Volume 5 I-M
Publisher American Scientific
Place of publication Stevenson Ranch, USA
Editor(s) C. Grimes
E. Dickey
M. Pishko
Start page 245
End page 263
Subjects Sensor Technology (Chemical aspects)
Summary Surface acoustic wave (SAW) sensors are currently being investigated in a wide range in fields including physical, chemical and bio-sensing. The basic principle in a SAW sensor is the detection of changes in the propagation characteristics of the surface acoustic waves which are caused by perturbations on the active surface of the device. The most common situation is measuring the change in propagation velocity of the surface wave as a change in resonant frequency. This chapter is a review of layered SAW devices for sensing applications. A conventional SAW device consists of a piezoelectric substrate with the inter-digital transducer (IDT) patterned on the surface. The layered devices are fabricated by depositing a thin film onto the conventional SAW substrate.
Copyright notice © 2006 by American Scientific Publishers
Keyword(s) SAW
chemical sensor
bio-sensor
ISBN 1588830616
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