Title:
VIBRATION ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/188078
Kind Code:
A1
Abstract:
A vibration element (10) according to the present invention is provided with: a base part (50); a first vibration arm part (60a) and a second vibration arm part (60b); a support arm part (70); a first excitation electrode (82a) and a second excitation electrode (82b); a first connection electrode (86a) and a second connection electrode (86b); and a first lead-out electrode (84a) and a second lead-out electrode (84b). The first lead-out electrode (84a) is provided on a first lateral surface (70C) of the support arm part (70); the second lead-out electrode (84b) is provided on a first main surface (70A), a second main surface (70B) or a second lateral surface (70D) of the support arm part (70); and the distance (D14) between the first lead-out electrode (84a) and the second lead-out electrode (84b) is longer than the distance (H14) between the first main surface (70A) and the second main surface (70B) in at least a part of the support arm part (70).
Inventors:
SAI KOKI (JP)
Application Number:
PCT/JP2019/008988
Publication Date:
October 03, 2019
Filing Date:
March 07, 2019
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03H9/19; H03H9/215
Foreign References:
| JP2016213524A | 2016-12-15 | |||
| JP2015008353A | 2015-01-15 | |||
| JP2016092755A | 2016-05-23 | |||
| JP2017085345A | 2017-05-18 | |||
| JP2016146597A | 2016-08-12 | |||
| JP2017228818A | 2017-12-28 | |||
| JP2014165669A | 2014-09-08 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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