Results 71 to 80 of about 799 (161)

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

Sensors, 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, Gayoung Eom, Sungwoo Lee, Bo Kyeong Kim, Sang Kyung Kim, Hyunjoo J. Lee   +5 more
doaj   +1 more source

Advances in Capacitive Micromachined Ultrasonic Transducers

Micromachines, 2019
Capacitive micromachined ultrasonic transducer (CMUT) technology has enjoyed rapid development in the last decade. Advancements both in fabrication and integration, coupled with improved modelling, has enabled CMUTs to make their way into mainstream ...
Kevin Brenner, Arif Sanli Ergun, Kamyar Firouzi, Morten Fischer Rasmussen, Quintin Stedman, Butrus (Pierre) Khuri–Yakub   +5 more
doaj   +1 more source

Highly Sensitive Phased Array Probes based on Capacitive Micromachined Ultrasonic Transducers

e-Journal of Nondestructive Testing
Capacitive Micromachined Ultrasonic Transducers (CMUTs) offer a wide freedom of design for ultrasonic phased arrays. They are characterized, in comparison to piezoelectric transducers, by a higher sensitivity in receiving and a wider bandwidth based on ...
Uwe Voelz, Marco Kircher, Sandro G. KOCH, Marcel Krenkel   +3 more
doaj   +1 more source

PMUT and CMUT Devices for Biomedical Applications: A Review

IEEE Access
Piezoelectric Micromachined Ultrasonic Transducers (PMUT) and Capacitive Micromachined Ultrasonic Transducers (CMUT) have seen great developments in recent years, both in terms of performance and scope of applications within the biomedical ultrasound ...
Elisabetta Moisello, Lara Novaresi, Eshani Sarkar, Piero Malcovati, Tiago L. Costa, Edoardo Bonizzoni   +5 more
doaj   +1 more source

TALPINIŲ MIKROMONTUOJAMŲ ULTRAGARSINIŲ KEITIKLIŲ TAIKYMAS = APPLICATION OF CAPACITIVE MICROMACHINED ULTRASONIC TRANSDUCERS

Taikomieji tyrimai studijose ir praktikoje, 2019
The main structure of the CMUT element is its capacitive cell that has one moveable and one fixed electrode. Between these electrodes (the movable one is usually structurally aligned with the membrane) there is a vacuum gap, which creates a cavity for ...
Evaldas Sapeliauskas, Rima Strelčiūnienė   +1 more
doaj  

Characterization of a CMUT Array

, 2012
Ultrasound transducers are used in a broad range of applications covering from underwater communications to medical imaging and treatment. The ultrasonic transducer determines the key specifications such as resolution, sensitivity and signal to noise ratio.
openaire   +2 more sources

Advances and Challenges of Capacitive Micromachined Ultrasonic Transducers in Medical Imaging. [PDF]

Micromachines (Basel)
Yu Y, Liu X, Wang J, Zhang S.
europepmc   +1 more source

Broadband Impedance Matching for Immersed CMUTs: An End-to-End Design-to-Measurement Validation Framework. [PDF]

Sensors (Basel)
Guerreiro G, Angerer M, Cretu E.
europepmc   +1 more source

Recent advances in transducers for through-tissue ultrasonic power transfer. [PDF]

Prog Biomed Eng (Bristol)
Chu Y, Naderi A, Wu H, Xue X, Oelze ML, Jiang X.   +5 more
europepmc   +1 more source

Advances in Crosstalk Reduction Techniques for Ultrasonic Transducer Arrays. [PDF]

Sensors (Basel)
Boujenoui A, El Atlas N, Bybi A, Reskal H, Elmaimouni L.   +4 more
europepmc   +1 more source