SAW propagation in periodic arrays including temperature effects

Wallner, Paul E.; Ruile, W.; Weigel, Robert

doi:10.1109/ultsym.1999.849391

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2005

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“…A more recent work includes shallow grating contribution to the thermal dispersion, but is limited to propagation of Rayleigh waves on quartz substrates [2]. Also less successful attempts have been published recently on that topic [3].…”

Section: Introductionmentioning

confidence: 99%

Prediction of the thermal sensitivity of surface acoustic waves excited under a periodic grating of electrodes

Pastureaud¹,

Ballandras

Steichen³

IEEE Symposium on Ultrasonics, 2003

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A theoretical analysis and a numerical tool have been developed to predict the thermal dispersion of general electroacoustic devices. The proposed model accounts for electrode contribution to the frequency vs. temperature law. The computed thermal sensitivities are compared to experimental results for different kinds of substrates and waves.Index terms -SAW, thermal dispersion, Turn-over temperature, TCF 0-7803-7922-5/03/$17.00 (c)

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Section: Introductionmentioning

confidence: 99%