Design and Fabrication of Air-Coupled CMUT for Non-Contact Temperature Measurement Applications [PDF]
MicromachinesCompared 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
An Investigation of Silica Aerogel to Reduce Acoustic Crosstalk in CMUT Arrays
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.
Sazzadur Chowdhury
exaly +3 more sources
Dual-mode CMUT structure sensor for high hydrostatic pressure measurements: conventional and collapse modes [PDF]
Microsystems & NanoengineeringCapacitive Micromachined Ultrasonic Transducer (CMUT) are widely utilized in fields such as medical imaging, non-destructive testing, and chemical sensing for active sensing applications.
Zhaodong Li +6 more
doaj +2 more sources
Electromechanical Impedance Response in CMUT-Based Gas Sensors Exposed to Volatile Organic Compounds [PDF]
SensorsA capacitive micromachined ultrasonic transducer (CMUT) was engineered and functionalized with either zeolitic imidazolate framework-8 (ZIF-8) dispersed in an AZ1512HS photoresist matrix or with graphene oxide (GOx) to operate as a gravimetric sensor for
Dovydas Barauskas +3 more
doaj +2 more sources
Development of 4G CMUT (CMUT Linear SML44 probe) [PDF]
Advanced Ultrasound in Diagnosis and Therapy, 2020 In 2009, Hitachi commercialized “Mappie*1, the world’s first Capacitive Micro-machined Ultrasound Transducer (CMUT) using semiconductor based technology.
Tsuyoshi Otake, Hiroki Tanaka, Akifumi Sako, Makoto Fukada, Kengo Imagawa, Masahiro Sato
doaj +1 more source
Optimization Design of CMUT Sensors with Broadband and High Sensitivity Characteristics Based on the Genetic Algorithm [PDF]
SensorsIn this study, we propose a method for optimizing the design of CMUT sensors using genetic algorithms. Existing CMUT sensors face frequency response and sensitivity limitations, necessitating optimization to enhance their sensing performance. Traditional
Sai Zhang +5 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
Radiation Impedance of Rectangular CMUTs. [PDF]
Sensors (Basel)Recently, capacitive micromachined ultrasound transducers (CMUTs) with long rectangular membranes have demonstrated performance advantages over conventional piezoelectric transducers; however, modeling these CMUT geometries has been limited to computationally burdensome numerical methods.
Khorassany S +3 more
europepmc +5 more sources
Advances in MEMS, Optical MEMS, and Nanophotonics Technologies for Volatile Organic Compound Detection and Applications. [PDF]
Small SciVolatile organic compounds (VOCs) are ubiquitous in natural and human environments, posing environmental and health risks. Recent advancements in micro‐electromechanical system and optical sensing offer new possibilities for VOC detection. This article reviews their progress, focusing on mechanisms, artificial intelligence enhancement, and applications
Li D, Zhou H, Ren Z, Lee C.
europepmc +2 more sources
Micromachines, 2022 Capacitive micromachined ultrasound transducers (CMUTs) have broad application prospects in medical imaging, flow monitoring, and nondestructive testing.
Wendong Zhang +2 more
exaly +3 more sources