ACOUSTIC WAVE DEVICE
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United States of America Patent
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Issued Date -
Apr 2, 2020
app pub date -
Dec 3, 2019
filing date -
Jun 21, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An acoustic wave device includes a first acoustic wave element including a first substrate having piezoelectricity at least in a portion thereof, a first functional electrode provided on a first surface of the first substrate, and a first wiring conductor electrically connected to the first functional electrode. The first acoustic wave element further includes a relay electrode on the first surface of the first substrate and electrically connected to a second wiring conductor, and a ground electrode on the first surface of the first substrate and electrically connected to the first functional electrode. The ground electrode is between at least one of the first functional electrode and the first wiring conductor, and the relay electrode, and is electrically insulated from the relay electrode.
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