Acoustic resonator structure comprising a bridge
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United States of America Patent
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Aug 21, 2012
Grant Date -
Dec 30, 2010
app pub date -
Jun 24, 2009
filing date -
Jun 24, 2009
priority date (Note) -
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Abstract
An acoustic resonator comprises a first electrode a second electrode and a piezoelectric layer disposed between the first and second electrodes. The acoustic resonator further comprises a reflective element disposed beneath the first electrode, the second electrode and the piezoelectric layer. An overlap of the reflective element, the first electrode, the second electrode and the piezoelectric layer comprises an active area of the acoustic resonator. The acoustic resonator also comprises a bridge adjacent to a termination of the active area of the acoustic resonator.
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