压电陶瓷元件，为利用压电或逆压电效应的原理所设计的震动或感测元件。 常应用在震动、压力感测器、雾化器、蜂鸣器、超音波清洗机与绿能发电地砖等...etc.。常用的材料包括PZT-4、PZT-5、PZT-8、氧化铝陶瓷或滑石瓷等，每种材料都有对应不同的应用、环境。
Shapes:
- Disc type
- Half disc type
- Column type
- Bar plate type
- Cubic type
- Ring type
- Cylinder type
- Focusing Surface type
- Line focusing type
- Special types
Application:
- Filter
- Piezo-ignitor ultrasonic cleaner
- Ultrasonic sonar humidifier
- Ultrasonic cleaner
- Ultrasonic detector thickness gauge
- Audible range microphone
- Ultrasonic transmitter medical instruments
- Sound pick-up actuator
- Actuator
- Ultrasonic detector medical instruments