Studying the effects of mutual acoustic impedance on the performance of polymer-based CMUTs

M Angerer, J Welsch, CD Gerardo… - IEEE Open Journal …, 2024 - ieeexplore.ieee.org
The objective of this work was to investigate changes in the acoustic characteristics of
micromachined transducers caused by acoustic cross-coupling between cells. We used …

Exploring the potentials of polymer-based CMUTs for 3D ultrasound computed tomography

M Angerer, J Welsch, CD Gerardo… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
This work presents a quantitative evaluation of polymer-based Capacitive Micromachined
Ultrasonic Transducers (polyCMUTs) for 3D Ultrasound Computed Tomography (3D USCT) …

A theoretical model of electromechanical coupling for CMUTs with annular electrodes based on the Ritz method

J Li, Z **ao, Z Wu, K Shi, Z Li, Y Zhao, H Wu, Z Li, M Li… - Measurement, 2025 - Elsevier
As a key component of ultrasonic technology, capacitive micromechanical ultrasonic
transducers (CMUTs) are extensively utilized across medical, industrial, military, and other …

Development of a piezoelectric micromachined ultrasonic transducer optimised to operate in the pore solution of reinforced concrete structures

S Sammut - 2023 - um.edu.mt
Structural Health Monitoring (SHM) of Reinforced Concrete (RC) is important to ensure that
necessary interventions on concrete structures are conducted in a timely manner. Structural …

High-Performance Electrode-Post CMUTs: Fabrication Details and Best Practices

EB Dew, RJ Zemp - IEEE Transactions on Ultrasonics …, 2023 - ieeexplore.ieee.org
Capacitive micromachined ultrasound transducers (CMUTs) have been investigated for over
25 years due to their promise for mass manufacturing and electronic co-integration …

[HTML][HTML] Radiation Impedance of Rectangular CMUTs

S Khorassany, EB Dew, M Rahim Sobhani, RJ Zemp - Sensors, 2024 - mdpi.com
Recently, capacitive micromachined ultrasound transducers (CMUTs) with long rectangular
membranes have demonstrated performance advantages over conventional piezoelectric …

Array Equivalent Circuit Model and Experimental Analysis of Square CMUTs

J Li, Z Wu, J Li, Z **ao, Z Li, Y Zhao, G Luo… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
The equivalent circuit is a commonly used tool for performance analysis during capacitive
micromachined ultrasonic transducer (CMUT) design and optimization. In this study, the …

An Acoustically Transparent Electrical Cap for Piezoelectric Ultrasound Transducers on Silicon

GK Wardhana, TL Costa, M Mastrangeli - Proceedings, 2024 - mdpi.com
Bulk piezoelectric ultrasound transducers on integrated circuits offer unique properties for
therapeutic applications of ultrasound neuromodulation. However, current implementations …

Analytical and experimental study on bilayer membrane-type Capacitive Micromechanical Ultrasonic Transducer

J Liu, H Chen, Y Luo, Q Chen - Sensors and Actuators A: Physical, 2024 - Elsevier
In this work, analytical and experimental studies on thin bilayer membrane-type Capacitive
Micromechanical Ultrasonic Transducer (CMUT) have been carried out, and results are …

3D direct laser writing of capacitive ultrasonic transceivers

EH Waller, A Jakob, G Von Freymann… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Ultrasonic probing, testing, and communication are widely used in nondestructive testing,
medical applications, and biology. Various technologies for the fabrication of ultrasonic …