Fabrication of 2-D Capacitive Micromachined Ultrasonic Transducer (CMUT) Array through Silicon Wafer Bonding [PDF]
Micromachines, 2022 Capacitive micromachined ultrasound transducers (CMUTs) have broad application prospects in medical imaging, flow monitoring, and nondestructive testing.
Ziyuan Wang +15 more
doaj +5 more sources
An Investigation of Silica Aerogel to Reduce Acoustic Crosstalk in CMUT Arrays [PDF]
Sensors, 2021 This paper presents a novel technique to reduce acoustic crosstalk in capacitive micromachined ultrasonic transducer (CMUT) arrays. The technique involves fabricating a thin layer of diisocyanate enhanced silica aerogel on the top surface of a CMUT array.
Varshitha Yashvanth, Sazzadur Chowdhury
doaj +6 more sources
Lumped-Parameter Equivalent Circuit Modeling of CMUT Array Elements
IEEE Open Journal of Ultrasonics, Ferroelectrics, and Frequency Control, 2022 Design and modeling are key steps in the value chain of Capacitive Micromachined Ultrasonic Transducer (CMUT) arrays. Although CMUT array element models are very powerful, most of them are still limited in their use as tools for electronic design ...
Tony Merrien +2 more
doaj +4 more sources
Research on Drive and Detection Technology of CMUT Multi-Array Transducers Based on MEMS Technology [PDF]
MicromachinesThis paper presents an ultrasonic driving and detection system based on a CMUT array using MEMS technology. Among them, the core component CMUT array is composed of 8 × 8 CMUT array elements, and each CMUT array element contains 6 × 6 CMUT units.
Chenyuan Li +11 more
doaj +3 more sources
Rayleigh–bloch waves in CMUT arrays [PDF]
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2014 Using the small-signal electrical equivalent circuit of a capacitive micromachined ultrasonic transducer (CMUT) cell, along with the self and mutual radiation impedances of such cells, we present a computationally efficient method to predict the frequency response of a large CMUT element or array.
Abdullah Atalar +2 more
exaly +7 more sources
A Safe and Portable CMUT Array Ultrasonic System for Bubble Sizing in Industrial Silicone Sealing Rings [PDF]
MicromachinesTo address the need for bubble detection in industrial silicone sealing rings, this paper presents a compact non-invasive ultrasonic monitoring system based on a capacitive micromachined ultrasonic transducer (CMUT) array, aiming to overcome the ...
Changde He +11 more
doaj +3 more sources
Design and Evaluation of a Capacitive Micromachined Ultrasonic Transducer(CMUT) Linear Array System for Thickness Measurement of Marine Structures Under Varying Environmental Conditions [PDF]
MicromachinesThis paper presents the design, fabrication, and experimental evaluation of a capacitive micromachined ultrasonic transducer (CMUT) linear array for non-contact thickness measurement of marine engineering structures.
Changde He +9 more
doaj +3 more sources
An Annular CMUT Array and Acquisition Strategy for Continuous Monitoring [PDF]
SensorsIn 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 +4 more sources
Outperforming piezoelectric ultrasonics with high-reliability single-membrane CMUT array elements [PDF]
Microsystems & Nanoengineering, 2022 It has long been hypothesized that capacitive micromachined ultrasound transducers (CMUTs) could potentially outperform piezoelectric technologies. However, challenges with dielectric charging, operational hysteresis, and transmit sensitivity have stood ...
Eric B. Dew +4 more
doaj +2 more sources
High-Precision Salt Concentration Detection Using a CMUT Array with Temperature Compensation [PDF]
MicromachinesThis 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