PIEZOELECTRIC VIBRATING PIECE, METHOD FOR FABRICATING PIEZOELECTRIC VIBRATING PIECE, PIEZOELECTRIC DEVICE, AND METHOD FOR FABRICATING PIEZOELECTRIC DEVICE
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United States of America Patent
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Issued Date -
Jan 15, 2015
app pub date -
Jul 3, 2014
filing date -
Jul 11, 2013
priority date (Note) -
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Abstract
A piezoelectric vibrating piece includes a vibrating portion, a framing portion, and a connecting portion. The framing portion surrounds the vibrating portion. The connecting portion connects the vibrating portion and the framing portion. The connecting portion includes an inclined surface disposed on at least one of a front surface and a back surface of the connecting portion. A boundary between the inclined surface and a flat surface is established in a middle region that is away from a connecting region of the connecting portion and the vibrating portion, and is away from a connecting region of the connecting portion and the framing portion.
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