Results 1 to 10 of about 324,266 (197)

Design and Performance Analysis of Capacitive Micromachined Ultrasonic Transducer Linear Array

Micromachines, 2014
An ultrasonic transducer is a key component to achieve ultrasonic imaging. This paper designs a new type of Microelectromechanical Systems (MEMS) based capacitive ultrasonic transducer and a linear array based on the transducer.
Hongliang Wang, Xiangjun Wang, Changde He, Chenyang Xue   +3 more
doaj   +1 more source

Selective Ultrasonic Gravimetric Sensors Based on Capacitive Micromachined Ultrasound Transducer Structure—A Review

Sensors, 2020
This review paper discusses the advances of the gravimetric detection devices based on capacitive micromachined ultrasound transducers structure.
Dovydas Barauskas, Mindaugas Dzikaras, Dovydas Bieliauskas, Donatas Pelenis, Gailius Vanagas, Darius Viržonis   +5 more
doaj   +1 more source

CMUT-Based Sensor for Acoustic Emission Application: Experimental and Theoretical Contributions to Sensitivity Optimization

Sensors, 2021
The paper deals with a capacitive micromachined ultrasonic transducer (CMUT)-based sensor dedicated to the detection of acoustic emissions from damaged structures.
Redha Boubenia, Patrice Le Moal, Gilles Bourbon, Emmanuel Ramasso, Eric Joseph   +4 more
doaj   +1 more source

FEM of Air-Coupled Circular Capacitive Micromachined Ultrasonic Transducer for Anodic Bonding Process using SOI Wafer

Applications of Modelling and Simulation, 2022
In this paper, Finite Element Method (FEM)-based design and simulation of circular capacitive micromachined ultrasonic transducer (CMUT) has been discussed. The FEM simulation of CMUT is accomplished by using MEMCAD tools CoventorWare® and COMSOLTM. The
Gurpreet Singh Gill, Sanjay Kumar, Ravindra Mukhiya, Vinod Kumar Khanna   +3 more
doaj  

Capacitive micromachined ultrasonic transducer for ultra-low pressure measurement: Theoretical study

AIP Advances, 2015
Ultra-low pressure measurement is necessary in many areas, such as high-vacuum environment monitoring, process control and biomedical applications. This paper presents a novel approach for ultra-low pressure measurement where capacitive micromachined ...
Zhikang Li, Libo Zhao, Zhuangde Jiang, Sina Akhbari, Jianjun Ding, Yihe Zhao, Yulong Zhao, Liwei Lin   +7 more
doaj   +1 more source

A novel deflection shape function for rectangular capacitive micromachined ultrasonic transducer diaphragms

Sensing and Bio-Sensing Research, 2015
A highly accurate analytical deflection shape function that describes the deflection profiles of capacitive micromachined ultrasonic transducers (CMUTs) with rectangular membranes under electrostatic pressure has been formulated.
Zhou Zheng, Weijie Sun, Xudong Suo, Lawrence L.P. Wong, Zhendong Sun, John T.W. Yeow   +5 more
doaj   +1 more source

A Review of Broadband Microfabricated Ultrasonic Systems for Biomedical Applications

Mìkrosistemi, Elektronìka ta Akustika
Starting from an overview of historical aspects of biomedical ultrasound development and its application areas, as well as the brief description of state-of-the art microfabrication technologies, used for capacitive and piezoelectrical micromachined ...
Roman Yuriiovych Kostiuk, Serhii Anatoliiovyh Naida   +1 more
doaj   +1 more source

An Investigation into High-Accuracy and Energy-Efficient Novel Capacitive MEMS for Tire Pressure Sensor Application

Sensors
Tire pressure monitoring systems (TPMSs) are essential for maintaining driving safety by continuously monitoring critical tire parameters, such as pressure and temperature, in real time during vehicle operation.
Liang Luo, Ziyuan Wang, Jianwei Chen, Aisn Gioronara Hui, Allwins Moore Rogikin, Rongzhen Liu, Yao Zhou, Zhujin Jiang, Changde He   +8 more
doaj   +1 more source

Miniaturized 0.13-μm CMOS Front-End Analog for AlN PMUT Arrays

Sensors, 2020
This paper presents an analog front-end transceiver for an ultrasound imaging system based on a high-voltage (HV) transmitter, a low-noise front-end amplifier (RX), and a complementary-metal-oxide-semiconductor, aluminum nitride, piezoelectric ...
Iván Zamora, Eyglis Ledesma, Arantxa Uranga, Núria Barniol   +3 more
doaj   +1 more source

Photoacoustic imaging of visually evoked cortical and subcortical hemodynamic activity in mouse brain: feasibility study with piezoelectric and capacitive micromachined ultrasonic transducer (CMUT) arrays. [PDF]

Biomed Opt Express, 2023
Chang KW, Belekov E, Wang X, Wong KY, Oralkan Ö, Xu G.   +5 more
europepmc   +1 more source