Piezoelectric micromachined ultrasonic transducers (PMUTs): performance metrics, advancements, and applications

Y Birjis, S Swaminathan, H Nazemi, GCA Raj… - Sensors, 2022 - mdpi.com
With the development of technology, systems gravitate towards increasing in their
complexity, miniaturization, and level of automation. Amongst these systems, ultrasonic …

Thin ceramic PZT dual-and multi-frequency pMUT arrays for photoacoustic imaging

Q Zheng, H Wang, H Yang, H Jiang, Z Chen… - Microsystems & …, 2022 - nature.com
Miniaturized ultrasonic transducer arrays with multiple frequencies are key components in
endoscopic photoacoustic imaging (PAI) systems to achieve high spatial resolution and …

Cost-effective strategy for developing small sized high frequency PMUTs toward phased array imaging applications

B Yu, C Yu, L Zhang, Z Wang, X Xu… - Journal of …, 2022 - ieeexplore.ieee.org
This article presents the development of small sized piezoelectric micromachined ultrasound
transducer (PMUT) with cost effective fabrication process. Improved ultrasound imaging …

An Experimental and Numerical Study of Crosstalk Effects in PMUT Arrays

OMO Abdalla, G Massimino, C D'Argenzio… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
This study provides a comprehensive characterization of a 4 4 piezoelectric micromachined
ultrasonic transducer (PMUT) array suited for in-air applications. Crosstalk can be viewed as …

Mass-loaded suspended piezoelectric micromachined ultrasonic transducer array towards flexible stretchable electronics evaluation

X Xu, Y Ma, Y Gong, H Li, Z Wang, P Niu… - Sensors and Actuators A …, 2025 - Elsevier
We introduce a novel piezoelectric micromachined ultrasonic transducer (PMUT) with a
mass-loaded suspended (MLSP) design, fabricated using sacrificial technique to advance …

Multi-Channel PMUT for Wireless Power Transfer and Data Telemetry

T Zhang, AA Seshia - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
This paper introduces a piezoelectric micromachined ultrasonic transducer (PMUT) capable
of simultaneous acoustic power transfer and multi-channel data telemetry. Using a custom …

Design of AlN and PZT pMUT for high-quality ultrasound imaging

Y Zhang, C Huang, H Gao - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Piezoelectric micromachined ultrasound transducer (PMUT) technology has been
investigated as a promising alternative to conventional bulk piezoelectric transducer for …

Crosstalk effects in PMUT arrays

OMO Abdalla, G Massimino… - … Conference on Solid …, 2023 - ieeexplore.ieee.org
This paper investigates the effect of crosstalk among the diaphragms of a 4 x 4 Piezoelectric
Micromachined Ultrasonic Transducers (PMUT) array, designed for in-air applications, on its …

压电AlN MEMS 的新进展(续).

赵正平 - Micronanoelectronic Technology, 2024 - search.ebscohost.com
Si 基微电子机械系统(MEMS) 经过三十余年的发展已进入智能微系统的发展阶段,
已成为当今MEMS 技术创新发展的主流. 当今半导体材料技术的科研已进入超宽禁带半导体的 …

JMEMS Letters. 1pt Equidimensional Piezoelectric Micromachined Ultrasonic Transducer Array With Synchronously Improved Bandwidth and Sensitivity

X Xu, Y Gong, Z Wang, Y Ma, C Yu… - Journal of …, 2024 - ieeexplore.ieee.org
Common methods to enhance PMUT arrays' Bandwidth (BW) may compromise the
sensitivity and fill factor. This study introduces a novel PMUT array with circular suspended …