Measured properties of doubly rotated dilithium tetraborate (Li/sub 2/B/sub 4/BO/sub 7/) resonators and transducers

Dilithium tetraborate plates, cut to the nominal angles of cut of (YXwl)40 degrees /33 degrees (TA-cut) and (YXwl)19 degrees /56 degrees (TC-cut), have been supplied by a crystal grower and have been processed into plate resonators. The mode spectra and electrical circuit parameters of the resonator...

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Bibliographic Details
Published in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 1993-03, Vol.40 (2), p.154-161
Main Authors: Kosinski, J.A., Ballato, A., Lu, Y.
Format: Article
Language:English
Subjects:
Acoustic wave devices, piezoelectric and piezoresistive devices
Applied sciences
Coupling circuits
Electronics
Exact sciences and technology
Frequency measurement
Optical resonators
Piezoelectric transducers
Rotation measurement
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Stability
Tellurium
Temperature measurement
Thermal expansion
Velocity measurement
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Summary:Dilithium tetraborate plates, cut to the nominal angles of cut of (YXwl)40 degrees /33 degrees (TA-cut) and (YXwl)19 degrees /56 degrees (TC-cut), have been supplied by a crystal grower and have been processed into plate resonators. The mode spectra and electrical circuit parameters of the resonators have been examined for the fundamental, third, and fifth harmonics for all three thickness modes of the resonators. The observed values of frequency constants and piezoelectric coupling are in good agreement with the predicted values. The frequency-temperature behavior of the zero-temperature coefficient cuts has also been measured.< >
ISSN:0885-3010
1525-8955
DOI:10.1109/58.212564