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Piezoelectric Micromachined Ultrasonic Transducer Enables Bubble-Based Stirring and Reconfigurable Particle Patterning

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

Abstract

This paper presents a novel on-chip acoustofluidic manipulation technique that uses a piezoelectric micromachined ultrasonic transducer (PMUT) to fuse two functions: bubble-based stirring and reconfigurable particle patterning. The unique merits of this platform include (1) highly localized acoustic actuation without using a power amplifier; (2) ultra-low sample volumes for rapid bioanalysis; (3) potential for high throughput by device integration; (4) CMOS compatibility for sensing; (5) ease of switching between functions by adjusting the frequency for multiple modes of patterning. © 2023 IEEJ.
Original languageEnglish
Title of host publication2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers)
PublisherIEEE
Pages903-906
ISBN (Electronic)9784886864352
ISBN (Print)9798350333022
Publication statusPublished - Jun 2023
Event22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2023) - Kyoto International Conference Center, Kyoto, Japan
Duration: 25 Jun 2023 → 29 Jun 2023
https://www.transducersconferences.org/archive/transducers2023/

Publication series

NameInternational Conference on Solid-State Sensors, Actuators and Microsystems, Transducers
ISSN (Print)2167-0013
ISSN (Electronic)2167-0021

Conference

Conference22nd International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers 2023)
Abbreviated titleTransducers2023
PlaceJapan
CityKyoto
Period25/06/23 → 29/06/23
Internet address

Funding

This work was supported by the Fundamental Research Funds for the Central Universities under Grant No. JZ2022HGTA0328 and the Hong Kong Research Grants Council under Project CityU 11218118.

Research Keywords

  • Acoustofluidics
  • bubble-based stirring
  • particle manipulation
  • PMUT
  • reconfigurable

RGC Funding Information

  • RGC-funded

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