Trapping of Microbead Spheroids by pMUTs in Microfluidic Channels Embedded with an Acoustic Reflector

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
2022 IEEE International Ultrasonics Symposium (IUS), 2022, 2022-October, pp. 1-4
Issue Date:
2022-12-01
Full metadata record
In this paper a piezoelectric micromachined ultrasound transducer PMUT embedded microfluidic device is proposed for acoustic particle trapping in a microfluid channel The proposed device traps microparticles in a pressure node along the vertical axis resulting from the reflection of acoustic waves generated by PMUT actuation to set up a standing wave We have successfully demonstrated trapping of microbead spheroids agglomerates according to their size This study opens up a new avenue for particle manipulation based on PMUTs for integrated microfluidic systems
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