Results 11 to 20 of about 749,316 (193)
Ultrasound‐On‐Chip With Semiconductor Silicon Chip Array for Transcutaneous Salivary Gland Injections: A Pilot Cadaver Study [PDF]
Laryngoscope Investigative OtolaryngologyObjective Ultrasound (US) is a well‐established imaging modality for the evaluation of head and neck anatomy. The Butterfly iQ is a handheld ultrasound device that uses a semiconductor silicon chip array (capacitive micromachined ultrasound transducers ...
David Y. Goldrich +4 more
doaj +3 more sources
A Study on Capacitive Micromachined Ultrasonic Transducer Periodic Sparse Array
Micromachines, 2021 Capacitive micromachined ultrasonic transducer (CMUT) is an ultrasonic transducer based on the microelectromechanical system (MEMS). CMUT elements are easily made into a high-density array, which will increase the hardware complexity.
Tian Zhang +6 more
doaj +2 more sources
Acoustical tuning of CMUT receiver arrays [PDF]
2016 IEEE International Ultrasonics Symposium (IUS), 2016 Cell placement in an element and structural modifications on the array baffle significantly change the bandwidth, band shape and signal to noise ratio of a CMUT receiver array. In this paper, optimum receiver performance tailoring by means of cell placement, cell size variation and use of dummy cells in the array elements is discussed.
Taşdelen, Akif Sinan +3 more
openaire +4 more sources
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
Pre-snapback mode operation of CMUT for enhanced acoustic performance [PDF]
Microsystems & NanoengineeringCapacitive micromachined ultrasonic transducers (CMUTs) offer advantages over traditional piezoelectric devices for ultrasound applications, including broader bandwidth, miniaturization, and electronics integration, but are limited by low acoustic ...
Seyoung Park +5 more
doaj +2 more sources
Volumetric elasticity imaging with a 2-D CMUT array. [PDF]
Ultrasound Med Biol, 2010 This article reports the use of a two-dimensional (2-D) capacitive micro-machined ultrasound transducer (CMUT) to acquire radio-frequency (RF) echo data from relatively large volumes of a simple ultrasound phantom to compare three-dimensional (3-D) elasticity imaging methods.
Fisher TG +7 more
europepmc +4 more sources
Micromachines, 2022 Capacitive micromachined ultrasonic transducers (CMUT) are MEMS-based transducers with advantages over conventional ultrasonic transducers, such as their small size, the ease of integration with semiconductor electronics, and batch fabrication.
Chirag Goel +2 more
doaj +2 more sources
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
Forward-viewing CMUT arrays for medical imaging
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2004 This paper reports the design and testing of forward-viewing annular arrays fabricated using capacitive micromachined ultrasonic transducer (CMUT) technology. Recent research studies have shown that CMUTs have broad frequency bandwidth and high-transduction efficiency.
Demirci, Utkan +4 more
openaire +3 more sources
Equivalent circuit-based analysis of CMUT cell dynamics in arrays [PDF]
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2013 Capacitive micromachined ultrasonic transducers (CMUTs) are usually composed of large arrays of closely packed cells. In this work, we use an equivalent circuit model to analyze CMUT arrays with multiple cells. We study the effects of mutual acoustic interactions through the immersion medium caused by the pressure field generated by each cell acting ...
Abdullah Atalar +2 more
exaly +5 more sources