Methods of fabrication and modeling of CMUTs–A review

AE Biriukov, AM Korsunsky - Sensors and Actuators A: Physical, 2024 - Elsevier
Widespread use of capacitive micromachined ultrasound transducers (CMUTs) has
motivated the development of a variety of methods for their fabrication and modeling. The …

Fully integrated pitch-matched AlScN PMUT-on-CMOS array for high resolution Ultrasound Images

E Ledesma, A Uranga, F Torres… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
This article presents a fully integrated pitch-matched piezoelectric micromachined ultrasonic
transducers (PMUTs)-on-CMOS array with high potential in catheter-based ultrasound …

Pmut-powered photoacoustic detection: Revolutionizing microfluidic concentration measurements

K Roy, A Kumar, V Shastri, I Munjal… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
This report introduces a novel optofluidic platform based on piezo-microelectromechanical
systems (MEMS) technology, capable of identifying subtle variations in the fluid …

Analysis, modeling and design of piezoelectric-capacitive hybrid micromachined ultrasonic transducer

Y Wang, N Lv, L He, J Ren - Smart Materials and Structures, 2024 - iopscience.iop.org
This paper proposes a spring-mass-damper model for a piezoelectric-capacitive hybrid
micromechanical ultrasonic transducer (HMUT) in immersion. Based on this model, a dual …

[HTML][HTML] Deep Learning Integration for Normal Breathing Classification Using a Flexible Fiber Sensor

J Kim, J Kim - Processes, 2024 - mdpi.com
Measuring respiratory parameters is crucial for clinical decision making and detecting
abnormal patterns for disease prevention. While deep learning methods are commonly used …

[HTML][HTML] The Effectiveness of Applying Artificial Intelligence in Sick Children's Communication

HS Huang, BO Lee - Bioengineering, 2024 - mdpi.com
Pediatric nursing students are required to be taught how to overcome their own
psychological stress during their internship in order to understand sick children's emotional …

Characterization and Optimization of PZT-Based PMUTs With Wide Range Frequency Tuning

Y Gao, L Zhao, C Yang, Y Lu - Journal of …, 2024 - ieeexplore.ieee.org
In this paper, we present air-coupled lead-zirconate-titanate (PZT) piezoelectric
micromachined ultrasonic transducers (PMUTs) which demonstrate ultra-wide frequency …

Noise Analysis For Active Element Based Capacitor Multipliers

B Sakaci, D Özenli - Hittite Journal of Science and Engineering, 2024 - dergipark.org.tr
In this study, comprehensive noise analyses and optimization of two different capacitance
multiplier structures have been presented. Capacitor multipliers, essential in low frequency …

Integrated PMUTs on Elastic Substrate for Wearable Applications

T Sillanpää, AS Thanniyil, T Kurkela… - … on Flexible and …, 2024 - ieeexplore.ieee.org
Hybrid electronics integration enables the development of novel wearable skin patches
where conventional rigid electronics can be integrated into soft and conformal substrates …

Design of novel ultrasound transducers compatible with large-area electronics

V Rochus, Z Shen, P Gijsenbergh… - … and Multi-Physics …, 2024 - ieeexplore.ieee.org
This paper presents a proof-of-concept for manufacturing ultrasound transducers on top of a
TFT switch matrix. The novel process incorporates a bonding step crucial for both …