New orientations for bulk-acoustic-wave devices

Elias, E. ; Jhunjhunwala, A. (1990) New orientations for bulk-acoustic-wave devices IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 37 (3). pp. 230-232. ISSN 0885-3010

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Several new materials/orientations for which strong BAW (bulk acoustic wave) response is predicted are presented. These new materials/orientations have much lower insertion losses and therefore present the possibility of superior BAW devices. The results also point out some correspondence between pseudo-SAW and bulk acoustic waves. The pseudo-SAW waves cannot theoretically exist in a semiinfinite piezoelectric half-space. The presence of a pseudo-SAW pole with high coupling coefficient (related to the residue of the pole) indicates a strong bulk wave being launched into the medium.

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ID Code:14069
Deposited On:12 Nov 2010 09:12
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