ACOUSTIC WAVE FILTER AND METHOD OF IMPROVING FREQUENCY DISTRIBUTION IN RESONATORS FOR SAME
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United States of America Patent
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Issued Date -
Sep 5, 2024
app pub date -
Feb 14, 2024
filing date -
Mar 1, 2023
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Abstract
An acoustic wave filter includes a plurality of acoustic wave resonators configured to filter a radio frequency signal, each of the plurality of acoustic wave resonators having a different frequency response and including a piezoelectric structure and a metal top electrode structure, one or more of the acoustic wave resonators having a mass loading portion that is a single seamless piece with the metal top electrode.
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