Title:
PIEZOELECTRIC VIBRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/136156
Kind Code:
A1
Abstract:
This piezoelectric vibration device comprises: a piezoelectric vibrator including a piezoelectric vibration plate, and first and second sealing plates that hermetically seal a vibrating portion of the piezoelectric vibration plate; a base on which the piezoelectric vibrator is mounted; and a lid body bonded to the base and forming a housing space in which the piezoelectric vibrator mounted on the base is housed. In the piezoelectric vibrator, one of the sealing plates is bonded to the base by means of a bonding material. Only a central region of the one sealing plate is bonded to the base by means of the bonding material.
Inventors:
OKAMAE HIROKI (JP)
Application Number:
PCT/JP2022/048467
Publication Date:
July 20, 2023
Filing Date:
December 28, 2022
Export Citation:
Assignee:
DAISHINKU CORP (JP)
International Classes:
H01L23/02; H03H9/02; H03B5/32
Domestic Patent References:
| WO2018092572A1 | 2018-05-24 |
Foreign References:
| JP2014165767A | 2014-09-08 |
Attorney, Agent or Firm:
OKADA Kazuhide (JP)
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