Results 21 to 30 of about 1,251 (192)

A Capacitive Micromachined Ultrasonic Transducer-Based Resonant Sensor Array for Portable Volatile Organic Compound Detection with Wireless Systems [PDF]

open access: yesSensors, 2019
The development of portable volatile organic compound (VOC) sensors is essential for home healthcare and workplace safety because VOCs are environmental pollutants that may critically affect human health.
Inug Yoon   +5 more
doaj   +2 more sources

High-Precision Salt Concentration Detection Using a CMUT Array with Temperature Compensation [PDF]

open access: yesMicromachines
This paper presents a miniaturized and highly accurate saltwater concentration monitoring system based on Capacitive Micromachined Ultrasonic Transducer (CMUT) array technology.
Hanchi Chai   +9 more
doaj   +2 more sources

Design and Fabrication of Air-Coupled CMUT for Non-Contact Temperature Measurement Applications [PDF]

open access: yesMicromachines
Compared with traditional piezoelectric transducers, Capacitive Micromachined Ultrasonic Transducers (CMUTs) have advantages such as better impedance matching with air, smaller size, lighter weight, higher sensitivity, and ease of array formation ...
Xiaobo Rui   +5 more
doaj   +2 more sources

A Row-Column (RC) Addressed 2-D Capacitive Micromachined Ultrasonic Transducer (CMUT) Array on a Glass Substrate [PDF]

open access: yesIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2021
Jean L Sanders   +2 more
exaly   +2 more sources

An Annular CMUT Array and Acquisition Strategy for Continuous Monitoring [PDF]

open access: yesSensors
In many monitoring scenarios, repeated and operator-independent assessments are needed. Wearable ultrasound technology has the potential to continuously provide the vital information traditionally obtained from conventional ultrasound scanners, such as ...
María José Almario Escorcia   +7 more
doaj   +2 more sources

High-Performance Capacitive Ultrasonic Transducer for Non-Destructive Testing of Concrete Compressive Strength [PDF]

open access: yesSensors
Ultrasonic non-destructive testing is indispensable for assessing the compressive strength of concrete and is widely utilized in concrete structure health monitoring.
Wangyang Zhang   +10 more
doaj   +2 more sources

3D cone-beam breast ultrasonic tomography imaging for capacitive micromachined ultrasonic transducer cylindrical array [PDF]

open access: yesJASA Express Letters, 2021
In this paper, a 3D cone-beam ultrasonic transmission tomography method for capacitive micromachined ultrasonic transducer (CMUT) cylindrical phased array was proposed.
Yu Pei   +6 more
doaj   +1 more source

Mechanical and electrical sensitivity of a capacitive micro ultrasonic transducer considering scale effects [PDF]

open access: yesمهندسی مکانیک شریف, 2022
In the medical field, ultrasonic imaging is especially popular for its technological features, such as non-radioactive real-time acquisition, affordable equipment cost, and miniaturization capabilities in minimally invasive methods.
S. Darbasi   +4 more
doaj   +1 more source

Surface micromachined capacitive ultrasonic transducers [PDF]

open access: yesIEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 1998
The current state of novel technology, surface microfabricated ultrasonic transducers, is reported. Experiments demonstrating both air and water transmission are presented. Air-coupled longitudinal wave transmission through aluminum is demonstrated, implying a 110 dB dynamic range for transducers at 2.3 MHz in air. Water transmission experiments from 1
Ladabaum, I.   +4 more
openaire   +4 more sources

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