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231222s2001 xx ||||| 00| ||eng c |
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|a pubmed25n0376.xml
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|a (NLM)11370368
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|a eng
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| 100 |
1 |
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|a Henry-Briot, E
|e verfasserin
|4 aut
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| 245 |
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|a Influence of metal thickness on phase velocity and thermal sensitivity of SAW devices
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| 264 |
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|c 2001
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 28.06.2001
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|a Date Revised 15.09.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Most surface acoustic wave (SAW) devices exhibit a very small sensitivity to thermal effects. However, even on intrinsically compensated crystal cuts, the deposition of metal strips at the surface (transducers or reflectors) induces important changes in the thermoelastic properties of the device. A theoretical approach based on the Sinha-Tiersten perturbation method is proposed to model the influence of metallization on SAW properties on (ST, X) quartz, namely the temperature stability of the phase velocity of Rayleigh waves. Because this perturbation method only gives access to the first-order temperature coefficient of frequency (TCF), it is combined with a conventional calculation of the second-order TCF to predict the evolution of the turnover temperature. The proposed calculation also requires temperature derivatives of the elastic constants of the metal, which can be calculated for different materials. Finally, theoretical results are compared with experimental data measured on SAW devices on (ST, X) quartz using aluminum gratings
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|a Journal Article
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1 |
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|a Ballandras, S
|e verfasserin
|4 aut
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1 |
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|a Marianneau, G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Martin, G
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1999
|g 48(2001), 2 vom: 18. März, Seite 538-46
|w (DE-627)NLM098181017
|x 0885-3010
|7 nnns
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| 773 |
1 |
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|g volume:48
|g year:2001
|g number:2
|g day:18
|g month:03
|g pages:538-46
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|a AR
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| 952 |
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|d 48
|j 2001
|e 2
|b 18
|c 03
|h 538-46
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