Patent ID: 9219222
Filing Date: 2015-12-22
Classification: H01L,H04R

Abstract:
1. A vibration device, comprising at least: a support body; a vibration member supported so that its periphery is connected to the support body, the vibration member having a first portion which is connected to the support body, and a second portion which is located inside the first portion and is not connected to the support body; and a vibration element whose one surface in a first direction is connected to one main surface of the second portion in the vibration member, bending vibration of the vibration element in the first direction whose amplitudes vary along a second direction perpendicular to the first direction being caused by electrical signal input, wherein the vibration element is elongated in the second direction, the vibration member has a rectangular shape elongated in a third direction which is perpendicular to the first and second directions, and a relationship of d