US 12,436,383 B2
Vibration device
Takahide Nakadoi, Nagaokakyo (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Nagaokakyo (JP)
Filed on May 14, 2021, as Appl. No. 17/320,282.
Application 17/320,282 is a continuation of application No. PCT/JP2020/041578, filed on Nov. 6, 2020.
Claims priority of application No. 2020-074332 (JP), filed on Apr. 17, 2020.
Prior Publication US 2021/0325667 A1, Oct. 21, 2021
Int. Cl. G02B 27/00 (2006.01); B06B 1/06 (2006.01); B08B 7/02 (2006.01)
CPC G02B 27/0006 (2013.01) [B06B 1/0651 (2013.01); B08B 7/028 (2013.01); B06B 2201/77 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A vibration device comprising:
a cover glass including an inclined surface including a chamfered outer peripheral edge of the cover glass;
a vibration body bonded to the cover glass with an adhesive and causing the cover glass to vibrate; and
a retainer bonded to the cover glass and the vibration body with an adhesive, the retainer being in contact with the inclined surface of the cover glass so as to support an outer peripheral edge of the cover glass; wherein
each of the vibration body and the retainer includes a threaded portion; and
the threaded portions of the vibration body and the retainer are bonded with the adhesive.