A VIBRATOR AND PIEZOELECTRIC SPEAKER

摘要

PURPOSE: A vibration member and a piezoelectric speaker using the same are provided to attach a resin vibration plate to a through hole of a metal vibration plate, thereby generating a sound of a low frequency band. CONSTITUTION: A piezoelectric element comprises a piezoelectric ceramic thin plate(1110), the first electrode(1120) attached to one side of the piezoelectric ceramic thin plate, and the second electrode(1130) attached to the other side of the piezoelectric ceramic thin plate. A metal lid(1121) contacts the first electrode. The second electrode contacts a metal vibration plate(1200). The vibration member includes the metal vibration plate and a resin vibration plate attached to the metal vibration plate.