Piezoelectric vibrator, method of manufacturing piezoelectric vibrator, oscillator, electronic equipment and radio-controlled timepiece
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United States of America Patent
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Oct 8, 2013
Grant Date -
Jun 16, 2011
app pub date -
Feb 25, 2011
filing date -
Aug 27, 2008
priority date (Note) -
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Abstract
A piezoelectric vibrator includes a tuning fork type piezoelectric vibrating reed including a pair of vibration arm portions; a package that accommodates the piezoelectric vibrating reed; and a getter material that is formed along the longitudinal direction of the vibration arm portion in an inner portion of the package, wherein a cross-sectional area of a middle portion of the getter material adjacent to a center portion of the longitudinal direction of the vibration arm portion is greater than that of an end portion of the getter material.
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