Advances in capacitive micromachined ultrasonic transducers

K Brenner, AS Ergun, K Firouzi, MF Rasmussen… - Micromachines, 2019 - mdpi.com
Capacitive micromachined ultrasonic transducer (CMUT) technology has enjoyed rapid
development in the last decade. Advancements both in fabrication and integration, coupled …

MEMS sensor technologies for human centred applications in healthcare, physical activities, safety and environmental sensing: A review on research activities in Italy

G Ciuti, L Ricotti, A Menciassi, P Dario - Sensors, 2015 - mdpi.com
Over the past few decades the increased level of public awareness concerning healthcare,
physical activities, safety and environmental sensing has created an emerging need for …

A fully integrated wearable ultrasound system to monitor deep tissues in moving subjects

M Lin, Z Zhang, X Gao, Y Bian, RS Wu, G Park… - Nature …, 2024 - nature.com
Recent advances in wearable ultrasound technologies have demonstrated the potential for
hands-free data acquisition, but technical barriers remain as these probes require wire …

Ultrasonic guided-waves sensors and integrated structural health monitoring systems for impact detection and localization: A review

L Capineri, A Bulletti - Sensors, 2021 - mdpi.com
This review article is focused on the analysis of the state of the art of sensors for guided
ultrasonic waves for the detection and localization of impacts for structural health monitoring …

Applications of capacitive micromachined ultrasonic transducers: A comprehensive review

J Joseph, B Ma, BT Khuri-Yakub - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Capacitive micromachined ultrasonic transducer (CMUT) was introduced as an alternative to
the piezoelectric thick-film-based transducers in medical imaging applications. Gradually …

Design, implementation, and medical applications of 2-D ultrasound sparse arrays

A Ramalli, E Boni, E Roux, H Liebgott… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
An ultrasound sparse array consists of a sparse distribution of elements over a 2-D aperture.
Such an array is typically characterized by a limited number of elements, which in most …

Density-tapered spiral arrays for ultrasound 3-D imaging

A Ramalli, E Boni, AS Savoia… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The current high interest in 3-D ultrasound imaging is pushing the development of 2-D
probes with a challenging number of active elements. The most popular approach to limit …

3-D imaging using row–column-addressed arrays with integrated apodization—Part II: Transducer fabrication and experimental results

TL Christiansen, MF Rasmussen… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
This paper demonstrates the fabrication, characterization, and experimental imaging results
of a 62+ 62 element λ/2-pitch row-column-addressed capacitive micromachined ultrasonic …

Experiment and simulation validated analytical equivalent circuit model for piezoelectric micromachined ultrasonic transducers

K Smyth, SG Kim - IEEE transactions on ultrasonics …, 2015 - ieeexplore.ieee.org
An analytical Mason equivalent circuit is derived for a circular, clamped plate piezoelectric
micromachined ultrasonic transducer (pMUT) design in 31 mode, considering an arbitrary …

[HTML][HTML] Quantitative comparison of PZT and CMUT probes for photoacoustic imaging: Experimental validation

M Vallet, F Varray, J Boutet, JM Dinten, G Caliano… - Photoacoustics, 2017 - Elsevier
Photoacoustic (PA) signals are short ultrasound (US) pulses typically characterized by a
single-cycle shape, often referred to as N-shape. The spectral content of such wideband …