Bending vibration piece and electronic device
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United States of America Patent
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Sep 1, 2015
Grant Date -
Dec 27, 2012
app pub date -
Jun 19, 2012
filing date -
Jun 24, 2011
priority date (Note) -
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Abstract
A bending vibration piece has a pair of drive vibration arms and a pair of detection vibration arms in an opposite direction thereto which are connected to a supporting part. The supporting part has recessed portions formed on both lateral parts in a direction of width, and a through-hole formed substantially at the center in a plane part of the supporting part and more toward the drive vibration arms than the recessed portions are. On a surface of the supporting part, drive electrode pads are arranged toward the drive vibration arms and detection electrode pads are arranged toward the detection vibration arms, with these electrode pads being separated from each other in a longitudinal direction by the recessed portions on both lateral part of the supporting part and the through-hole in the plane part.
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