Laterally excited bulk wave resonators (XBARs) based on thin Lithium Niobate platelet for 5GHz and 13 GHz filters
2019
In a free ZY-LiNbO3 400nm thick platelet, narrow electrodes (500nm wide) placed periodically with a pitch of few micrometers can eXcite standing Bulk Acoustic
shear waveResonances (XBARs), by means of lateral electric field parallel to crystalline Y- axis. The resonance frequency of around 4.8GHz and 13.6GHz are suitable for development of RF filters. The XBARs 3rd, 5th and even 9th harmonics were observed up to 38 GHz.
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