Surface acoustic wave device
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United States of America Patent
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Jul 15, 2008
Grant Date -
Sep 1, 2005
app pub date -
Feb 25, 2005
filing date -
Feb 26, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A surface acoustic wave device includes a surface acoustic wave resonator. The surface acoustic wave resonator includes comb-like electrodes and reflection electrodes provided on both sides of the comb-like electrodes, and each of the reflection electrodes has at least two different pitches. It is thus possible to suppress the ripple components.
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