CPC H10N 30/875 (2023.02) [B06B 1/0662 (2013.01); B06B 1/0651 (2013.01); G06F 3/016 (2013.01)] | 8 Claims |
1. A vibration device comprising:
a vibration plate having conductivity;
a piezoelectric element disposed on the vibration plate; and
a wiring member disposed to oppose the vibration plate via the piezoelectric element,
wherein the piezoelectric element includes:
a piezoelectric element body having a first main surface and a second main surface facing away from each other in an opposing direction of the vibration plate and the wiring member;
a first external electrode disposed on the first main surface and electrically connected to the vibration plate;
a second external electrode disposed on the second main surface and electrically connected to the wiring member,
wherein the vibration plate includes a first projection projecting toward the wiring member and electrically connected to the wiring member.
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