Piezoelectric Micromachined Ultrasonic Transducer Enables Bubble-Based Stirring and Reconfigurable Particle Patterning
- Publication Type:
- Conference Proceeding
- Citation:
- 2023 22nd International Conference on Solid-State Sensors, Actuators and Microsystems, Transducers 2023, 2023, pp. 903-906
- Issue Date:
- 2023-01-01
Closed Access
Filename | Description | Size | |||
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Transducer2023_PMUT_acoustofluidic.pdf | Accepted version | 756.98 kB |
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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.
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