ArticleIEEE transactions on ultrasonics, ferroelectrics, and frequency control2020
An Improved CMUT Structure Enabling Release and Collapse of the Plate in the Same Tx/Rx Cycle for Dual-Frequency Acoustic Angiography.
Article in IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 19 citations in OpenAlex.
- Advances and Challenges of Capacitive Micromachined Ultrasonic Transducers in Medical Imaging.Micromachines · 2026Review
- Design and Fabrication of 1-D CMUT Arrays for Dual-Mode Dual-Frequency Acoustic Angiography Applications.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2024Article
- cMUT technology developments.Zeitschrift fur medizinische Physik · 2023Review
- A Handheld Imaging Probe for Acoustic Angiography With an Ultrawideband Capacitive Micromachined Ultrasonic Transducer (CMUT) Array.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2022Article
- Dual-Resonance (16/32 MHz) Piezoelectric Transducer With a Single Electrical Connection for Forward-Viewing Robotic Guidewire.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2022Article
- Collapse pressure measurement of single hollow glass microsphere using single-beam acoustic tweezer.Ultrasonics sonochemistry · 2022Article
- Outperforming piezoelectric ultrasonics with high-reliability single-membrane CMUT array elements.Microsystems & nanoengineering · 2022Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
This study demonstrates, in detail, the potential of using capacitive micromachined ultrasonic transducers (CMUTs) for acoustic angiography of the microvasculature. It is known that when ultrasound contrast agents (microbubbles) are excited with moderate acoustic pressure around their resonance (2-4 MHz), they produce higher order harmonics (greater than third harmonic) due to their nonlinear behavior. To date, the fundamental challenge has been the availability of a transducer that can generate the transmit signals to excite the microbubbles at low frequencies and, in the same cycle, confocally detect harmonics in the higher frequencies. We present a novel device structure and dual-mode operation of a CMUT that operates with a center frequency of 4.3 MHz and 150% bandwidth in the conventional mode for transmitting and a center frequency of 9.8 MHz and a 125.5% bandwidth in collapse mode for receiving. Output pressure of 1.7 MPa
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Registered trials
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