| 摘要 |
According to an embodiment of the present invention, the vibrator can comprise: a housing with an internal space; a vibrating member whose one end is fixated in the internal space, whose other end is placed to be able to vibrate, and which has a stress relieving unit formed on one side to protrude; and a piezoelectric element placed on the vibrating member to excite the vibrating member. The present invention is to provide a vibrator which can prevent a vibrating member from being fatigue fractured when the vibrator is driven and can be easily smaller. |
