Piezoelectric device with a package including a convex part
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United States of America Patent
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Apr 26, 2016
Grant Date -
Jul 24, 2014
app pub date -
Mar 24, 2014
filing date -
Dec 9, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A piezoelectric device includes: a piezoelectric vibrating reed; and a package, wherein the piezoelectric vibrating reed has a vibrating part and first and second supporting arms extending from a base end part, the package has a base, a lid, a cavity defined by the base and the lid, a convex part projecting from the base or the lid into the cavity, a length of the first supporting arm is shorter than a length of the second supporting arm, and the convex part is provided in a range ahead of a leading end of the first vibrating arm in an extension direction of the first supporting arm and at least partially overlapping with the second supporting arm in a length direction of the piezoelectric vibrating reed so as not to overlap with the piezoelectric vibrating reed in a plan view.
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