ACOUSTIC WAVE DEVICE
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United States of America Patent
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Issued Date -
May 16, 2024
app pub date -
Jan 24, 2024
filing date -
Jan 24, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
An acoustic wave device in which a piezoelectric film is directly or indirectly laminated on a support substrate, a first Interdigital Transducer (IDT) electrode, on a first main surface of the piezoelectric film, and a second IDT electrode on a second main surface, are provided. One of the first IDT electrode and the second IDT electrode is made of an epitaxial film and another of the first IDT electrode and the second IDT electrode is made of a non-epitaxial film.
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