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Patent Searching and Data


Title:
VIBRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/087922
Kind Code:
A1
Abstract:
A piezoelectric element comprises a piezoelectric body having a first main surface and a second main surface opposite of each other, and multiple external electrodes arranged on the first main surface. A vibration member has a third main surface facing the second main surface. The piezoelectric element is bonded to the third main surface. A wiring member is electrically connected to the piezoelectric element. The wiring member is positioned on the multiple external electrodes, and has a region bonded to the multiple external electrodes. The region of the wiring member integrally covers the multiple external electrodes seen from the direction orthogonal to the first main surface.

Inventors:
OHTA Yoshiki (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
TACHIMOTO Kazushi (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
SAKAMOTO Hideya (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
TANIGUCHI Tetsuyuki (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
TAKI Tatsuya (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
TAKEDA Tomohiro (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
TAKEDA Akihiro (3-9-1 Shibaura, Minato-k, Tokyo 23, 〒1080023, JP)
Application Number:
JP2018/039667
Publication Date:
May 09, 2019
Filing Date:
October 25, 2018
Export Citation:
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Assignee:
TDK CORPORATION (2-5-1, Nihonbashi Chuo-k, Tokyo 28, 〒1036128, JP)
International Classes:
H01L41/047; B06B1/06; H01L41/053; H01L41/09; H03H9/17; H04R7/04; H04R17/00
Domestic Patent References:
WO2014097862A12014-06-26
WO2014091785A12014-06-19
Foreign References:
JP2015162728A2015-09-07
JP2016184787A2016-10-20
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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