Title:
PIEZOELECTRIC VIBRATOR AND PIEZOELECTRIC OSCILLATOR INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2021/220544
Kind Code:
A1
Abstract:
A piezoelectric vibrator (1) according to the present invention comprises: a piezoelectric vibration element (10) which has a piezoelectric piece (11) and excitation electrodes (14a, 14b) provided on the piezoelectric piece (11); and a support member (40) which is provided along the outer edge part of the piezoelectric vibration element (10) in a frame-like manner so as to overlap the piezoelectric vibration element (10) in a plan view of the piezoelectric vibration element (10), wherein the support member (40) has a counter surface (41A) which faces the piezoelectric vibration element (10) and a mount surface (41B) which is located on the opposite side from the counter surface (41A), and the width of the counter surface (41A) of the support member (40) is narrower than the width of the mount surface (41B) of the support member (40) in a cross-sectional view of the piezoelectric vibration element (10).
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Inventors:
NISHIMURA TOSHIO (JP)
OKAWA TADAYUKI (JP)
OKAWA TADAYUKI (JP)
Application Number:
PCT/JP2020/044767
Publication Date:
November 04, 2021
Filing Date:
December 02, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03B5/32; H01L41/053; H01L41/09; H01L41/187; H03H9/10; H03H9/19
Domestic Patent References:
| WO2004001964A1 | 2003-12-31 |
Foreign References:
| JP2016152478A | 2016-08-22 | |||
| JP2006503448A | 2006-01-26 | |||
| JP2008236556A | 2008-10-02 | |||
| JPH01144713A | 1989-06-07 | |||
| JP2008301453A | 2008-12-11 | |||
| JP2012065155A | 2012-03-29 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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