| 摘要 |
Disclosed is a vibrator. The vibrator comprises: a housing having an internal space; a vibration member fixed to both ends of the housing; and a piezoelectric device installed to the vibration member. The vibration member comprises a first member for installing the piezoelectric device, and a second member arranged at both ends of the first member. The second member is made of a material, wherein the tensile strength of the material is higher than that of the first member. |
