ACOUSTIC WAVE DEVICE AND MODULE
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Aug 23, 2024
filing date -
Aug 23, 2024
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Abstract
An acoustic wave device includes a piezoelectric substrate, a support substrate bonded to the piezoelectric substrate, and a resonator comprising a plurality of pairs of IDT electrodes arranged side by side that generates main-mode wave and transverse-mode wave when power is applied. The resonator includes a first busbar, a second busbar opposed to the first busbar, a plurality of first electrode fingers connected to a side of the second busbar in the first busbar, a plurality of second electrode fingers connected to a side of the first busbar in the second busbar, a plurality of first dummy electrodes connected to the side of the second busbar in the first busbar and opposed to the plurality of second electrode fingers, and a plurality of second dummy electrodes connected to the side of the first busbar in the second busbar and opposed to the plurality of first electrode fingers.
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