Acoustic surface waves in piezoelectric materials with periodic metal strips on the surface
- 1 December 1973
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Electron Devices
- Vol. 20 (12) , 1139-1146
- https://doi.org/10.1109/t-ed.1973.17807
Abstract
Dispersion relations for acoustic surface waves in piezoelectrics with periodic metal strips applied to the surface are developed. Particular emphasis is given to the modification in effective piezoelectric coupling due to strip geometry, and the details of the dispersion relations around the stop bands. The general results are applied to discuss devices such as multistrip directional couplers and strip-coupled amplifiers.Keywords
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