Lamb-Wave-Driven Micromotor

Low-voltage high-speed microfluidics

Unlike conventional surface-acoustic-wave actuation, it uses 380 MHz Lamb waves to generate strong acoustic streaming over an extremely short distance, enabling lower driving voltage and smaller size.

Wang, Zhaoxun · Wei, Wei · Zhang, Menglun · Duan, Xuexin · Li, Quanning · Chen, Xuejiao · Yang, Qingrui · Pang, Wei

Micromachines 2024

Specifications

最大角速度
{'zh': '250', 'en': ''} rpm

Advantages

380 MHz high-frequency Lamb waves

6 V input voltage

5 mm diameter rotor