Works (18)
Updated: October 14th, 2024 09:57
2024 journal article
Design, Fabrication, and Characterization of Capacitive Micromachined Ultrasonic Transducers for Transcranial, Multifocus Neurostimulation
Micromachines, 15(9), 1106.
author keywords: neurostimulation; capacitive micromachined ultrasonic transducer (CMUT); single-element; large area transducer; fabrication; design; FEM; non-invasive; ultrasound; nonhuman primate model
open access via doi.org (publisher)
Sources: Web Of Science, ORCID, Crossref, NC State University Libraries
Added: September 1, 2024
2023 journal article
Design and Fabrication of 1-D CMUT Arrays for Dual-Mode Dual-Frequency Acoustic Angiography Applications
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 71(1), 191–201.
author keywords: Acoustic angiography (AA); capacitive micromachined ultrasonic transducer (CMUT); dual-mode dual-frequency array; glass substrate
TL;DR:
A novel scheme with a capacitive micromachined ultrasonic transducer array to receive high-frequency microbubble harmonics in collapse mode and to transmit a low-frequency high-pressure pulse by releasing the CMUT plate from collapse and pull it back to collapse again in the same transmit-receive cycle.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 13, 2023
2022 journal article
A Handheld Imaging Probe for Acoustic Angiography With an Ultrawideband Capacitive Micromachined Ultrasonic Transducer (CMUT) Array
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 69(7), 2318–2330.
author keywords: Probes; Imaging; Acoustics; Bandwidth; Angiography; Frequency control; Electrodes; Acoustic angiography (AA); alternate amplitude modulation (aAM); capacitive micromachined ultrasonic transducer (CMUT); glass substrate; handheld ultrasound probe; harmonic ultrasound imaging; ultrawideband (UWB) array
MeSH headings : Angiography; Equipment Design; Transducers; Ultrasonics; Ultrasonography / methods
TL;DR:
An imaging probe with a 256-element ultrawideband (UWB) 1-D capacitive micromachined ultrasonic transducer (CMUT) array designed for acoustic angiography (AA) demonstrates the suitability of the UWB CMUT for AA.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 1, 2022
2022 article
Performance Assessment of Ultra-Wideband and Dual-Mode 1D CMUT Arrays for Acoustic Angiography
2022 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IEEE IUS).
author keywords: capacitive micromachined ultrasonic transducer; ultra-wideband; dual-mode; acoustic angiography; ultrasound handheld probe; contrast agent
TL;DR:
A custom 256-channel imaging probe with integrated low-noise amplifiers and supporting power circuitry is designed with a strong use case for the UWB and dual-mode CMUT arrays in acoustic angiography applications.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 6, 2023
2021 journal article
A Wearable Ultrasonic Neurostimulator-Part II: A 2D CMUT Phased Array System With a Flip-Chip Bonded ASIC
IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS, 15(4), 705–718.
author keywords: Capacitive micromachined ultrasonic transducer (CMUT); neurostimulator; ultrasound
MeSH headings : Animals; Equipment Design; Mice; Transducers; Ultrasonics; Ultrasonography; Wearable Electronic Devices
TL;DR:
A 2D ultrasonic transmit phased array based on a 32 × 32 CMUT array flip-chip bonded to a pitch-matched pulser ASIC for ultrasonic neuromodulation is presented.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 27, 2021
2021 article
Design and Fabrication of 1D CMUT Arrays for Dual-Mode Acoustic Angiography Applications - Preliminary Results
INTERNATIONAL ULTRASONICS SYMPOSIUM (IEEE IUS 2021).
author keywords: Dual-mode dual-frequency; capacitive micromachined ultrasonic transducer; CMUT; acoustic angiography
TL;DR:
Finite element model simulation results show that the fabricated devices can transmit at low frequency and receive echoes at high frequency (> 15 MHz), which are verified by experimental results.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 15, 2022
2021 article proceedings
Design and Fabrication of Single-Element CMUTs for Forming a Transcranial Array for Focused Beam Applications
Event: 2021 IEEE International Ultrasonics Symposium (IUS)
author keywords: ultrasound; focused; ultrasound; transducer; transcranial; fabrication; stimulation
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 15, 2022
2021 journal article
Design and Fabrication of Wideband Air-Coupled Capacitive Micromachined Ultrasonic Transducers With Varying Width Annular-Ring and Spiral Cell Structures
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 68(8), 2749–2759.
author keywords: Annular; anodic bonding process; capacitive micromachined ultrasonic transducer (CMUT); glass substrate; spiral
TL;DR:
A design strategy and fabrication process for developing improved concentric annular- and novel spiral-shaped capacitive micromachined ultrasonic transducers that can generate high output pressure and provide wide bandwidth in air are presented.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 9, 2021
2021 article
Design of Pre-Charged CMUTs with a Metal Floating Gate
INTERNATIONAL ULTRASONICS SYMPOSIUM (IEEE IUS 2021).
author keywords: Pre-charged; zero-bias; energy harvesting; capacitive micromachined ultrasonic transducer; CMUT
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 15, 2022
2021 journal article
Fabrication of 32 x 32 2D Capacitive Micromachined Ultrasonic Transducer (CMUT) Arrays on a Borosilicate Glass Substrate With Silicon-Through-Wafer Interconnects Using Sacrificial Release Process
JOURNAL OF MICROELECTROMECHANICAL SYSTEMS, 30(6), 968–979.
author keywords: Capacitive micromachined ultrasonic transducer (CMUT); 2D arrays; glass substrate; silicon-through-glass-vias (Si-TGV); sacrificial release process
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: November 10, 2021
2020 article
A Row-Column (RC) Addressed 2-D Capacitive Micromachined Ultrasonic Transducer (CMUT) Array on a Glass Substrate
Sanders, J. L., Biliroglu, A. O., Wu, X., Adelegan, O. J., Yamaner, F. Y., & Oralkan, O. (2021, March). IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, Vol. 68, pp. 767–776.
author keywords: Electrodes; Substrates; Imaging; Impedance measurement; Two dimensional displays; Glass; Acoustics; Capacitive micromachined ultrasonic transducer (CMUT); glass substrate; row-column (RC) array; ultrasound imaging
TL;DR:
A row-column capacitive micromachined ultrasonic transducer array fabricated using anodic bonding on a borosilicate glass substrate is presented to reduce the bottom electrode-to-substrate capacitive coupling and improves the relative response of the elements when top or bottom electrodes are used as the “signal” (active) electrode.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 26, 2021
2019 journal article
A Low-Power Wireless Multichannel Gas Sensing System Based on a Capacitive Micromachined Ultrasonic Transducer (CMUT) Array
IEEE INTERNET OF THINGS JOURNAL, 6(1), 831–843.
author keywords: Capacitive micromachined ultrasonic transducer (CMUT); frequency counter; front-end integrated circuit (IC); gravimetric sensor; Internet of Things (IoT); multichannel gas sensor; volatile organic compound (VOC)
TL;DR:
A complete low-power wireless gas-sensing system based a capacitive micromachined ultrasonic transducer array, which is known to have several advantages such as high mass sensitivity, easy implementation of a multielement structure, and high selectivity upon polymer coating is presented.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 11, 2019
2018 journal article
A Fast-Switching (1.35-mu s) Low-Control-Voltage (2.5-V) MEMS T/R Switch Monolithically Integrated With a Capacitive Micromachined Ultrasonic Transducer
JOURNAL OF MICROELECTROMECHANICAL SYSTEMS, 27(2), 190–200.
author keywords: Microelectromechanical systems (MEMS) switch; capacitive micromachined ultrasonic transducer (CMUT); ultrasound imaging system; transmit/receive (T/R); low-voltage electronics
TL;DR:
The presented MEMS switch could potentially eliminate the high-voltage process requirement for the on-chip front-end electronics of a CMUT-based ultrasound imaging system and thus improve the overall system efficiency.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018
2016 conference paper
A MEMS T/R switch embedded in CMUT structure for ultrasound imaging frontends
2016 IEEE International Ultrasonics Symposium (IUS). Presented at the 2016 IEEE International Ultrasonics Symposium (IUS).
Event: 2016 IEEE International Ultrasonics Symposium (IUS)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: NC State University Libraries, Crossref, NC State University Libraries
Added: August 6, 2018
2016 conference paper
A battery-operated wireless multichannel gas sensor system based on a capacitive micromachined ultrasonic transducer (CMUT) array
2016 ieee sensors.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2016 conference paper
CMUTs on glass with ITO bottom electrodes for improved transparency
2016 IEEE International Ultrasonics Symposium (IUS). Presented at the 2016 IEEE International Ultrasonics Symposium (IUS).
Event: 2016 IEEE International Ultrasonics Symposium (IUS)
Sources: NC State University Libraries, Crossref, NC State University Libraries
Added: August 6, 2018
2015 conference paper
A low-power wearable substance monitoring device
2015 Virtual Conference on Application of Commercial Sensors.
TL;DR:
Developing a device in the form of a wrist-watch that is capable of measuring selected physiological parameters using commercially available sensors and an Android application with algorithms capable of determining if the user is under the influence of alcohol or drugs has been developed and tested.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018
2015 conference paper
Design of high-frequency broadband CMUT arrays
2015 IEEE International Ultrasonics Symposium (IUS). Presented at the 2015 IEEE International Ultrasonics Symposium (IUS).
Event: 2015 IEEE International Ultrasonics Symposium (IUS)
author keywords: High frequency transducer array; Broadband; CMUT; Anodic bonding; Glass
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 6, 2018
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