Works (83)

Updated: February 4th, 2026 17:25

2025 article

A Handheld 128+128 Row-Column Addressed CMUT Array Probe: System Design and Phantom Validation

Erdoğan, E. B., Das, N., Wahyulaksana, G., Ketterling, J., Yamaner, F. Y., & Oralkan, Ö. (2025, September 15).

By: E. Erdoğan n, N. Das n, G. Wahyulaksana*, J. Ketterling*, F. Yamaner n & Ö. Oralkan n

topics (OpenAlex): Antenna Design and Optimization; Radio Astronomy Observations and Technology; Radio Frequency Integrated Circuit Design
Sources: NC State University Libraries, NC State University Libraries
Added: October 23, 2025

2025 article

Fabrication of 128+128-Element Row–Column Addressed 2D CMUT Arrays on a Borosilicate Glass Substrate Using Anodic Bonding and Trench Isolation of the Sealing Location

Das, N., Erdogan, E. B., Annayev, M., Yamaner, F. Y., & Oralkan, Ö. (2025, November 3). Journal of Microelectromechanical Systems.

By: N. Das n, E. Erdogan n, M. Annayev n, F. Yamaner n & Ö. Oralkan n

topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasound and Hyperthermia Applications; Congenital heart defects research
Source: ORCID
Added: November 3, 2025

2025 article

Fabrication of Dual-Frequency Duplex CMUTs in a Vertically Stacked Topology for Acoustic Angiography

Karagenc, U. O., Annayev, M., Kemal, R. E., Das, N., Yamaner, F. Y., & Oralkan, Ö. (2025, September 15).

By: U. Karagenc n, M. Annayev n, R. Kemal n, N. Das n, F. Yamaner n & Ö. Oralkan n

topics (OpenAlex): Ultrasound Imaging and Elastography
Sources: NC State University Libraries, NC State University Libraries
Added: October 23, 2025

2025 article

Neurodegeneration Associated with Repeated High-Frequency Transcranial Focused Ultrasound

Brna, A. P., Favorov, O., Challener, T., Biliroglu, A. O., Yamaner, F. Y., Kemal, R. E., … Connolly, P. M. (2025, September 25).

By: A. Brna*, O. Favorov*, T. Challener*, A. Biliroglu n, F. Yamaner n, R. Kemal n, M. Annayev n, O. Oralkan n ...

topics (OpenAlex): Ultrasound and Hyperthermia Applications
Source: ORCID
Added: September 26, 2025

2025 article

Stacked PZT-CMUT hybrid 1D array for acoustic angiography: Preliminary results

Belekov, E., Annayev, M., Wang, J., Kemal, R. E., Liu, S., Yamaner, F. Y., … Oralkan, Ö. (2025, September 15).

By: E. Belekov n, M. Annayev n, J. Wang n, R. Kemal n, S. Liu n, F. Yamaner n, X. Jiang n, Ö. Oralkan n

topics (OpenAlex): Ultrasound Imaging and Elastography; Engineering Applied Research; Ultrasonics and Acoustic Wave Propagation
Sources: NC State University Libraries, NC State University Libraries
Added: October 23, 2025

2025 article

Wireless ultrasonic power transfer using a pre-charged CMUT interfaced with a custom integrated circuit

Annayev, M., Zhao, L., Yamaner, F. Y., Jia, Y., & Oralkan, Ö. (2025, September 15).

By: M. Annayev n, L. Zhao*, F. Yamaner n, Y. Jia* & Ö. Oralkan n

topics (OpenAlex): Wireless Power Transfer Systems; Energy Harvesting in Wireless Networks; Wireless Body Area Networks
Sources: NC State University Libraries, NC State University Libraries
Added: October 23, 2025

2025 article

Wireless ultrasonic power transfer using a pre-charged CMUT structure with a built-in charge storage capacitor

Annayev, M., Yamaner, F. Y., & Oralkan, Ö. (2025, April 23). Microsystems & Nanoengineering, Vol. 11.

By: M. Annayev*, F. Yamaner n & Ö. Oralkan*

topics (OpenAlex): Wireless Power Transfer Systems; Energy Harvesting in Wireless Networks; Innovative Energy Harvesting Technologies
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 22, 2025

2024 article

Demonstration of Vector Flow Imaging with Row-Column (RC) Addressed CMUT Arrays on a Rotating Disc Phantom

Erdogan, E. B., Das, N., Biliroglu, A. O., Wahyulaksana, G., Sennik, E., Ketterling, J., … Oralkan, Ö. (2024, September 22). 2024 IEEE ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL JOINT SYMPOSIUM, UFFC-JS 2024.

author keywords: Vector flow imaging; RC-addressed CMUT array; high frame rate imaging
topics (OpenAlex): Fluid Dynamics and Turbulent Flows; Aerodynamics and Acoustics in Jet Flows; Plasma and Flow Control in Aerodynamics
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Sources: Web Of Science, NC State University Libraries
Added: April 7, 2025

2024 article

Design and Fabrication of 128+128 Element Row-Column Addressed CMUT Arrays for Monitoring Murine Cardiac Flow Patterns

Das, N., Erdogan, E. B., Annayev, M., Yamaner, F. Y., Ketterling, J., & Oralkan, Ö. (2024, September 22). 2024 IEEE ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL JOINT SYMPOSIUM, UFFC-JS 2024.

By: N. Das n, E. Erdogan n, M. Annayev n, F. Yamaner n, J. Ketterling* & Ö. Oralkan n

topics (OpenAlex): Cardiovascular Function and Risk Factors; Congenital heart defects research
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Sources: Web Of Science, NC State University Libraries
Added: April 7, 2025

2024 journal article

Design, Fabrication, and Characterization of Capacitive Micromachined Ultrasonic Transducers for Transcranial, Multifocus Neurostimulation

Micromachines, 15(9), 1106.

By: T. Ibn Minhaj n, M. Annayev n, O. Adelegan n, A. Biliroğlu n, F. Yamaner n & Ö. Oralkan n

author keywords: neurostimulation; capacitive micromachined ultrasonic transducer (CMUT); single-element; large area transducer; fabrication; design; FEM; non-invasive; ultrasound; nonhuman primate model
topics (OpenAlex): Ultrasound and Hyperthermia Applications; Photoacoustic and Ultrasonic Imaging; Ultrasound Imaging and Elastography
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: September 1, 2024

2024 article

Fabrication of 32×32 2 D CMUT Arrays on a Borosilicate Glass Substrate With Silicon- Through-Wafer Interconnects Using Non- Aligned and Aligned Anodic Bonding

Annayev, M., Biliroğlu, A. Ö., Şennik, E., Yamaner, F. Y., & Oralkan, Ö. (2024, August 22). Journal of Microelectromechanical Systems, Vol. 8.

By: M. Annayev n, A. Biliroğlu n, E. Şennik n, F. Yamaner n & Ö. Oralkan n

author keywords: Capacitive micromachined ultrasonic transducer (CMUT); 2D arrays; glass substrate; silicon-through-glass vias (Si-TGV); anodic bonding; Capacitive micromachined ultrasonic transducer (CMUT); 2D arrays; glass substrate; silicon-through-glass vias (Si-TGV); anodic bonding
topics (OpenAlex): Modular Robots and Swarm Intelligence; Anodic Oxide Films and Nanostructures; 3D IC and TSV technologies
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 1, 2024

2023 article

Activation of primate frontal eye fields with a CMUT phased array system

Riley, M. R., Roeder, B. M., Zinke, W., Weisend, M. P., Eidum, D. M., Pinton, G. F., … Connolly, P. M. (2023, November 10). Journal of Neuroscience Methods, Vol. 402.

By: M. Riley*, B. Roeder*, W. Zinke, M. Weisend*, D. Eidum*, G. Pinton n, A. Biliroglu n, F. Yamaner n ...

author keywords: Transcranial focused ultrasound; Non-invasive stimulation; Frontal eye fields; Local field response; Behavioral task
MeSH headings : Animals; Ultrasonics; Frontal Lobe / diagnostic imaging; Frontal Lobe / physiology; Brain; Saccades; Primates; Transducers
topics (OpenAlex): Ultrasound and Hyperthermia Applications; Photoacoustic and Ultrasonic Imaging; Ultrasound Imaging and Elastography
TL;DR: A new approach for non-invasive stimulation during performance of a behavioral task is provided with the ability to steer stimulation patterns and target using a large amount of transducers, which will be greatly improved for future clinical and research applications. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: January 22, 2024

2023 article

Design and Fabrication of 1-D CMUT Arrays for Dual-Mode Dual-Frequency Acoustic Angiography Applications

Annayev, M., Minhaj, T. I., Adelegan, O. J., Yamaner, F. Y., Dayton, P. A., & Oralkan, Ö. (2023, December 12). IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, Vol. 71, pp. 191–201.

By: M. Annayev n, T. Minhaj n, O. Adelegan n, F. Yamaner n, P. Dayton n & Ö. Oralkan n

author keywords: Acoustic angiography (AA); capacitive micromachined ultrasonic transducer (CMUT); dual-mode dual-frequency array; glass substrate
topics (OpenAlex): Ultrasound and Hyperthermia Applications; Photoacoustic and Ultrasonic Imaging; Ultrasound Imaging and Elastography
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)
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 13, 2023

2022 article

A Handheld Imaging Probe for Acoustic Angiography With an Ultrawideband Capacitive Micromachined Ultrasonic Transducer (CMUT) Array

Sanders, J. L., Biliroglu, A. O., Newsome, I. G., Adelegan, O. J., Yamaner, F. Y., Dayton, P. A., & Oralkan, O. (2022, May 6). IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, Vol. 7, pp. 1–1.

By: J. Sanders n, A. Biliroglu n, I. Newsome n, O. Adelegan n, F. Yamaner n, P. Dayton n, O. Oralkan n

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
topics (OpenAlex): Photoacoustic and Ultrasonic Imaging; Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation
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)
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7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 1, 2022

2022 article

A pre-charged CMUT structure with a built-in charge storage capacitor

Annayev, M., Yamaner, F. Y., & Oralkan, Ö. (2022, October 10). 2022 IEEE International Ultrasonics Symposium (IUS).

By: M. Annayev n, F. Yamaner n & Ö. Oralkan n

author keywords: Pre-charged; zero-bias; energy transfer; capacitive micromachined ultrasonic transducer; CMUT
topics (OpenAlex): Wireless Power Transfer Systems; Innovative Energy Harvesting Technologies; Advanced Sensor and Energy Harvesting Materials
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: February 6, 2023

2021 article

A Low-Power Wearable E-Nose System Based on a Capacitive Micromachined Ultrasonic Transducer (CMUT) Array for Indoor VOC Monitoring

Mahmud, M. M., Seok, C., Wu, X., Sennik, E., Biliroglu, A. O., Adelegan, O. J., … Oralkan, O. (2021, July 1). IEEE Sensors Journal, Vol. 21, pp. 19684–19696.

author keywords: Sensors; Sensor arrays; Chemical sensors; Sensitivity; Sensor systems; Monitoring; Resonators; Capacitive micromachined ultrasonic transducer (CMUT); multi-channel; e-nose; volatile organic compound (VOC); automated gas generation; wireless; sensitivity; selectivity; sensor resolution
topics (OpenAlex): Advanced Chemical Sensor Technologies; Gas Sensing Nanomaterials and Sensors; Analytical Chemistry and Sensors
TL;DR: A low-power wearable e-nose system based on a capacitive micromachined ultrasonic transducer (CMUT) array that can be used for identification of volatiles with suitable pattern-recognition techniques is presented. (via Semantic Scholar)
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Source: ORCID
Added: November 16, 2021

2021 article

A Wearable Ultrasonic Neurostimulator - Part I: A 1D CMUT Phased Array System for Chronic Implantation in Small Animals

Seok, C., Yamaner, F. Y., Sahin, M., & Oralkan, O. (2021, July 27). IEEE Transactions on Biomedical Circuits and Systems.

By: C. Seok n, F. Yamaner n, M. Sahin* & O. Oralkan n

author keywords: ASIC; brain stimulation; capacitive micromachined ultrasonic transducer (CMUT); freely behaving animals; neurostimulation; ultrasound
MeSH headings : Animals; Equipment Design; Transducers; Ultrasonics; Ultrasonography; Wearable Electronic Devices
topics (OpenAlex): Ultrasound and Hyperthermia Applications; Ultrasound Imaging and Elastography; Wireless Power Transfer Systems
TL;DR: A wireless ultrasonic neurostimulator, aiming at a truly wearable device for brain stimulation in small behaving animals, and hydrophone-based acoustic measurements were performed to demonstrate the beam forming and steering capability of the proposed system. (via Semantic Scholar)
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7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 27, 2021

2021 article

A Wearable Ultrasonic Neurostimulator—Part II: A 2D CMUT Phased Array System With a Flip-Chip Bonded ASIC

Seok, C., Adelegan, O. J., Biliroglu, A. O., Yamaner, F. Y., & Oralkan, O. (2021, August 1). IEEE Transactions on Biomedical Circuits and Systems, Vol. 8, pp. 705–718.

By: C. Seok n, O. Adelegan n, A. Biliroglu n, F. Yamaner n & O. Oralkan n

author keywords: Capacitive micromachined ultrasonic transducer (CMUT); neurostimulator; ultrasound
MeSH headings : Animals; Equipment Design; Mice; Transducers; Ultrasonics; Ultrasonography; Wearable Electronic Devices
topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasound and Hyperthermia Applications; Wireless Power Transfer Systems; Ultrasound and Cavitation Phenomena
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)
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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

Annayev, M., Adelegan, O. J., Yamaner, F. Y., Dayton, P. A., & Oralkan, Ö. (2021, September 11).

By: M. Annayev n, O. Adelegan n, F. Yamaner n, P. Dayton n & Ö. Oralkan n

author keywords: Dual-mode dual-frequency; capacitive micromachined ultrasonic transducer; CMUT; acoustic angiography
topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasound and Hyperthermia Applications; Photoacoustic and Ultrasonic Imaging
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)
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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

By: T. Minhaj n, O. Adelegan n, A. Biliroglu n, M. Annayev n, Z. Coutant n, F. Yamaner n, O. Oralkan n

author keywords: ultrasound; focused; ultrasound; transducer; transcranial; fabrication; stimulation
topics (OpenAlex): Ultrasound and Hyperthermia Applications; Ultrasound Imaging and Elastography; Ultrasound and Cavitation Phenomena
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Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: August 15, 2022

2021 article

Design and Fabrication of Wideband Air-Coupled Capacitive Micromachined Ultrasonic Transducers With Varying Width Annular-Ring and Spiral Cell Structures

Adelegan, O. J., Coutant, Z. A., Wu, X., Yamaner, F. Y., & Oralkan, O. (2021, April 27). IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, Vol. 8, pp. 2749–2759.

By: O. Adelegan n, Z. Coutant n, X. Wu n, F. Yamaner n & O. Oralkan n

author keywords: Annular; anodic bonding process; capacitive micromachined ultrasonic transducer (CMUT); glass substrate; spiral
topics (OpenAlex): Advanced MEMS and NEMS Technologies; Advanced Sensor and Energy Harvesting Materials; Ultrasound Imaging and Elastography
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)
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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

Annayev, M., Adelegan, O. J., Yamaner, F. Y., & Oralkan, Ö. (2021, September 11). INTERNATIONAL ULTRASONICS SYMPOSIUM (IEEE IUS 2021).

By: M. Annayev n, O. Adelegan n, F. Yamaner n & Ö. Oralkan n

author keywords: Pre-charged; zero-bias; energy harvesting; capacitive micromachined ultrasonic transducer; CMUT
topics (OpenAlex): Ultrasound Imaging and Elastography; Advanced Sensor and Energy Harvesting Materials; Ultrasonics and Acoustic Wave Propagation
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Sources: Web Of Science, NC State University Libraries
Added: August 15, 2022

2021 article

Fabrication of 32 × 32 2D Capacitive Micromachined Ultrasonic Transducer (CMUT) Arrays on a Borosilicate Glass Substrate With Silicon-Through-Wafer Interconnects Using Sacrificial Release Process

Adelegan, O. J., Coutant, Z. A., Minhaj, T. I., Seok, C., Biliroglu, A. O., Yamaner, F. Y., & Oralkan, O. (2021, September 20). Journal of Microelectromechanical Systems, Vol. 30, pp. 968–979.

By: O. Adelegan n, Z. Coutant n, T. Minhaj n, C. Seok n, A. Biliroglu n, F. Yamaner n, O. Oralkan n

author keywords: Capacitive micromachined ultrasonic transducer (CMUT); 2D arrays; glass substrate; silicon-through-glass-vias (Si-TGV); sacrificial release process
topics (OpenAlex): Advanced Sensor and Energy Harvesting Materials; Advanced MEMS and NEMS Technologies; 3D IC and TSV technologies
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Sources: ORCID, Web Of Science, 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. (2020, August 6). IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, Vol. 68, pp. 767–776.

By: J. Sanders n, A. Biliroglu n, X. Wu n, O. Adelegan n, F. Yamaner n & O. Oralkan n

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
topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasound and Hyperthermia Applications; Ultrasonics and Acoustic Wave Propagation
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)
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Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 26, 2021

2020 article

An Improved CMUT Structure Enabling Release and Collapse of the Plate in the Same Tx/Rx Cycle for Dual-Frequency Acoustic Angiography

Mahmud, M. M., Wu, X., Sanders, J. L., Biliroglu, A. O., Adelegan, O. J., Newsome, I. G., … Oralkan, O. (2020, June 9). IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, Vol. 67, pp. 2291–2302.

author keywords: Acoustics; Imaging; Transducers; Ultrasonic imaging; Finite element analysis; Electrodes; Frequency control; Contrast-enhanced ultrasound imaging; dual-mode operation; high-frequency (HF) receive; insulation spacers; low-frequency (LF) transmit; microbubbles
MeSH headings : Angiography / instrumentation; Angiography / methods; Contrast Media; Equipment Design; Finite Element Analysis; Microbubbles; Phantoms, Imaging; Transducers; Ultrasonography / instrumentation; Ultrasonography / methods
topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasound and Hyperthermia Applications; Photoacoustic and Ultrasonic Imaging
TL;DR: The ability to detect the microbubble signals with good contrast, and the background reflection is adequately suppressed, indicating the feasibility of the presented approach for acoustic angiography. (via Semantic Scholar)
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Source: ORCID
Added: October 24, 2020

2020 article

Fabrication of 2D Capacitive Micromachined Ultrasonic Transducer (CMUT) Arrays on Insulating Substrates With Through-Wafer Interconnects Using Sacrificial Release Process

Adelegan, O. J., Coutant, Z. A., Zhang, X., Yamaner, F. Y., & Oralkan, O. (2020, May 6). Journal of Microelectromechanical Systems, Vol. 29, pp. 553–561.

author keywords: Capacitive micromachined ultrasonic transducer (CMUT); 2D arrays; glass substrate; alkali-free glass; through-glass-Vias (TGV); sacrificial release process
topics (OpenAlex): Ultrasound Imaging and Elastography; Wireless Power Transfer Systems; Ultrasound and Hyperthermia Applications
TL;DR: This study shows an alternative method to fabricate 2D CMUT arrays on glass substrates with metal interconnects, especially when the substrate is not suitable for anodic bonding, as well as improving reliability and reduction in parasitic interconnect capacitance and resistance. (via Semantic Scholar)
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Source: ORCID
Added: May 7, 2020

2019 article

A 2D Capacitive Micromachined Ultrasonic Transducer (CMUT) Array with Through-Glass-Via Interconnects Fabricated Using Sacrificial Etching Process

Adelegan, O. J., Coutant, Z. A., Zhang, X., Yamaner, F. Y., & Oralkan, O. (2019, October 1). 2019 IEEE International Ultrasonics Symposium (IUS).

topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation; Wireless Power Transfer Systems
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Source: ORCID
Added: September 26, 2020

2019 article

A Low-Power Wireless Multichannel Gas Sensing System Based on a Capacitive Micromachined Ultrasonic Transducer (CMUT) Array

Seok, C., Mahmud, M. M., Kumar, M., Adelegan, O. J., Yamaner, F. Y., & Oralkan, O. (2019, February 1). IEEE Internet of Things Journal, Vol. 6, pp. 831–843.

By: C. Seok n, M. Mahmud n, M. Kumar n, O. Adelegan n, F. Yamaner n & O. Oralkan n

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)
topics (OpenAlex): Acoustic Wave Resonator Technologies; Gas Sensing Nanomaterials and Sensors; Analytical Chemistry and Sensors
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)
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Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 11, 2019

2019 article

A Sub-Millimeter Lateral Resolution Ultrasonic Beamforming System for Brain Stimulation in Behaving Animals

Seok, C., Yamaner, F. Y., Sahin, M., & Oralkan, O. (2019, July 1). 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

By: C. Seok n, F. Yamaner n, M. Sahin* & O. Oralkan n

MeSH headings : Animals; Behavior, Animal; Brain; Equipment Design; Stereotaxic Techniques; Transducers; Ultrasonics
topics (OpenAlex): Wireless Power Transfer Systems; Wireless Body Area Networks; Ultrasound Imaging and Elastography
TL;DR: A second-generation wireless ultrasonic beamforming system, aiming for a truly wearable device for brain stimulation in small behaving animals, and the fully-integrated, battery-operated system enables a self- contained untethered system. (via Semantic Scholar)
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Source: ORCID
Added: September 26, 2020

2019 article

Anodically Bonded CMUT with a Two-Layer Bottom Electrode for Increased Reliability and Reduced Parasitic Capacitance

Coutant, Z. A., Adelegan, O. J., Mahmud, M. M., Yamaner, F. Y., & Oralkan, O. (2019, October 1). 2019 IEEE International Ultrasonics Symposium (IUS).

topics (OpenAlex): Advanced Sensor and Energy Harvesting Materials; Dielectric materials and actuators; Electronic Packaging and Soldering Technologies
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Source: ORCID
Added: September 26, 2020

2019 article

Ultrasound Transmission through a Flexible Printed Circuit Board Bonded to the Front Side of a Capacitive Micromachined Ultrasonic Transducer Array: Feasibility Study

Seok, C., Ali, Z., Yamaner, F. Y., & Oralkan, O. (2019, October 1). 2019 IEEE International Ultrasonics Symposium (IUS).

By: C. Seok n, Z. Ali*, F. Yamaner n & O. Oralkan n

topics (OpenAlex): Ultrasound Imaging and Elastography; Advanced Sensor and Energy Harvesting Materials; Wireless Power Transfer Systems
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7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: September 26, 2020

2019 article

Ultrasound Transmission through a Flexible Printed Circuit Board Bonded to the Front Side of a Capacitive Micromachined Ultrasonic Transducer Array: Feasibility Study

Seok, C., Ali, Z., Yamaner, F. Y., & Oralkan, O. (2019, October 1). 2019 IEEE International Ultrasonics Symposium (IUS).

By: C. Seok n, Z. Ali*, F. Yamaner n & O. Oralkan n

topics (OpenAlex): Ultrasound Imaging and Elastography; Wireless Power Transfer Systems; Advanced Sensor and Energy Harvesting Materials
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Source: ORCID
Added: September 26, 2020

2019 article

Ultrasound-Based Post-Endovascular Aneurysm Repair (EVAR) Monitoring Device

Young, E. S., Yamaner, F. Y., & Oralkan, O. (2019, October 1). 2019 IEEE International Ultrasonics Symposium (IUS).

By: E. Young n, F. Yamaner n & O. Oralkan n

topics (OpenAlex): Wireless Power Transfer Systems; Energy Harvesting in Wireless Networks; Congenital Heart Disease Studies
TL;DR: A proof of concept is guiding the design of an integrated circuit implementing the key elements of the implantable device, including a pulse echo measurement of the diameter of the vessel lumen, and a data transmission method that encodes clock, data and transmission framing information in biphasic ultrasonic pulses and takes advantage of the wideband characteristics of the CMUT. (via Semantic Scholar)
Source: ORCID
Added: September 26, 2020

2018 article

A Fast-Switching (1.35- $\mu \text{s}$ ) Low-Control-Voltage (2.5-V) MEMS T/R Switch Monolithically Integrated With a Capacitive Micromachined Ultrasonic Transducer

Zhang, X., Adelegan, O. J., Yamaner, F. Y., & Oralkan, O. (2018, January 11). Journal of Microelectromechanical Systems, Vol. 27, pp. 190–200.

By: X. Zhang n, O. Adelegan n, F. Yamaner n & O. Oralkan n

author keywords: Microelectromechanical systems (MEMS) switch; capacitive micromachined ultrasonic transducer (CMUT); ultrasound imaging system; transmit/receive (T/R); low-voltage electronics
topics (OpenAlex): Advanced MEMS and NEMS Technologies; Acoustic Wave Resonator Technologies; Mechanical and Optical Resonators
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 Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2018 journal article

A Low-Power Wireless Multichannel Gas Sensing System Based on a Capacitive Micromachined Ultrasonic Transducer (CMUT) Array

IEEE Internet of Things Journal.

By: C. Seok, M. Mahmud, M. Kumar, O. Adelegan, F. Yamaner & Ö. Oralkan

Source: NC State University Libraries
Added: March 9, 2019

2018 conference paper

A Row-Column (RC) Addressed 2D Capacitive Micromachined Ultrasonic Transducer (CMUT) Array on a Glass Substrate: Preliminary Results

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). Presented at the 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

By: J. Sanders n, X. Wu n, O. Adelegan n, M. Mahmud n, F. Yalcin Yamaner n, C. Gallippi n, O. Oralkan n

MeSH headings : Cross-Sectional Studies; Electric Capacitance; Electric Impedance; Electrodes; Equipment Design; Transducers; Ultrasonics / instrumentation
topics (OpenAlex): Ultrasonics and Acoustic Wave Propagation; Ultrasound Imaging and Elastography; Acoustic Wave Resonator Technologies
TL;DR: Preliminary characterization results from a 32 x 32 row-column (RC) addressed 2D capacitive micromachined ultrasonic transducer (CMUT) array showed that the array elements behave similarly when ground and hot electrodes were switched between the top and bottom electrodes for all of the measured parameters. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: March 24, 2019

2018 article

An FPGA-Based Backend System for Intravascular Photoacoustic and Ultrasound Imaging

Wu, X., Sanders, J. L., Zhang, X., Yamaner, F. Y., & Oralkan, O. (2018, November 14). IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, Vol. 66, pp. 45–56.

By: X. Wu n, J. Sanders n, X. Zhang n, F. Yamaner n & O. Oralkan n

author keywords: Data acquisition; finite-state machine (FSM); field-programmable gate array (FPGA); photoacoustic (PA) imaging; software/hardware codesign; ultrasound (US) imaging; velocity measurement
MeSH headings : Algorithms; Equipment Design; Image Processing, Computer-Assisted / methods; Phantoms, Imaging; Photoacoustic Techniques / instrumentation; Photoacoustic Techniques / methods; Transducers; Ultrasonography, Interventional / instrumentation; Ultrasonography, Interventional / methods
topics (OpenAlex): Photoacoustic and Ultrasonic Imaging; Optical Imaging and Spectroscopy Techniques; Ultrasound Imaging and Elastography
TL;DR: A low-cost, compact, high-speed, and programmable imaging system based on a field-programmable gate array suitable for dual-mode forward-looking IVUS/IVPA imaging that provides a convenient backend platform for research and clinical IVPA and IVUS imaging. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 18, 2019

2018 conference paper

Design and Fabrication of High-Frequency Ultra-Wideband 1D CMUT Arrays for Acoustic Angiography Applications - Preliminary Results

2018 IEEE International Ultrasonics Symposium (IUS). Presented at the 2018 IEEE International Ultrasonics Symposium (IUS).

By: O. Adelegan n, R. Kemal*, F. Yamaner n, P. Dayton n & O. Oralkan n

topics (OpenAlex): Ultrasound Imaging and Elastography; Photoacoustic and Ultrasonic Imaging; Ultrasound and Hyperthermia Applications
TL;DR: This work explored the advantages of a thin silicon plate with an added central mass combined with a reduced bottom electrode area to further improve the bandwidth of 1D capacitive micromachined ultrasonic transducer arrays. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: March 24, 2019

2018 conference paper

Design and Implementation of Wideband CMUTs for Airborne Applications - Preliminary Results

2018 IEEE International Ultrasonics Symposium (IUS). Presented at the 2018 IEEE International Ultrasonics Symposium (IUS).

By: O. Adelegan n, F. Yamaner n & O. Oralkan n

topics (OpenAlex): Advanced MEMS and NEMS Technologies; Acoustic Wave Resonator Technologies; Advanced Sensor and Energy Harvesting Materials
Sources: ORCID, Crossref, NC State University Libraries
Added: March 24, 2019

2018 conference paper

Towards an Untethered Ultrasound Beamforming System for Brain Stimulation in Behaving Animals

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). Presented at the 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

By: C. Seok n, Z. Ali n, F. Yamaner n, M. Sahin* & O. Oralkan n

MeSH headings : Animals; Brain / physiology; Deep Brain Stimulation / instrumentation; Equipment Design; Mice; Transducers; Ultrasonography
topics (OpenAlex): Ultrasound and Hyperthermia Applications; Ultrasound Imaging and Elastography; Photoacoustic and Ultrasonic Imaging
TL;DR: A wireless ultrasound transmit (TX) beamforming system, potentially enabling wearable brain stimulation for small awake/behaving animals, and measuring 6-dB beamwidth is promising in that it can stimulate a specific region of the brain, especially for small animals such as mice. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: March 24, 2019

2017 conference paper

A front-end integrated circuit for a 2D capacitive micromachined ultrasound transducer (CMUT) array as a noninvasive neural stimulator

2017 IEEE International Ultrasonics Symposium (IUS). Presented at the 2017 IEEE International Ultrasonics Symposium (IUS).

By: C. Seok n, X. Wu n, F. Yamaner n & O. Oralkan n

topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasound and Hyperthermia Applications; Photoacoustic and Ultrasonic Imaging
TL;DR: A front-end integrated circuit for an ultrasound neurostimulation system, to be interfaced with a 16×16 2D CMUT array to realize an ultrasound field pattern (USFP) using quantized phases and amplitudes is presented. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: March 24, 2019

2017 conference paper

A front-end integrated circuit for a 2D capacitive micromachined ultrasound transducer (CMUT) array for a noninvasive neural interface to the retina

2017 IEEE International Ultrasonics Symposium (IUS). Presented at the 2017 IEEE International Ultrasonics Symposium (IUS).

By: C. Seok n, X. Wu n, F. Yamaner n & O. Oralkan n

Event: 2017 IEEE International Ultrasonics Symposium (IUS)

topics (OpenAlex): Neuroscience and Neural Engineering; Advanced Sensor and Energy Harvesting Materials; Wireless Power Transfer Systems
TL;DR: A front-end integrated circuit (IC) for a 2D CMUT array that realizes a USFP with quantized phases and amplitudes is reported that evaluates the projected image quality with Field II simulations considering non-linearity in phases extracted from a fabricated prototype chip. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2017 article

A handheld 1D transparent CMUT array probe for photoacoustic imaging

Sanders, J. L., Zhang, X., Wu, X., Adelegan, O. J., Yamaner, F. Y., Kudenov, M., & Oralkan, O. (2017, September 1). 2017 IEEE International Ultrasonics Symposium (IUS).

topics (OpenAlex): Photoacoustic and Ultrasonic Imaging; Nanoplatforms for cancer theranostics; Thermography and Photoacoustic Techniques
Source: ORCID
Added: September 26, 2020

2017 conference paper

A handheld 1D transparent CMUT array probe for photoacoustic imaging: Preliminary results

2017 IEEE International Ultrasonics Symposium (IUS). Presented at the 2017 IEEE International Ultrasonics Symposium (IUS).

By: J. Sanders n, X. Zhang n, X. Wu n, O. Adelegan n, F. Yamaner n, M. Kudenov n, O. Oralkan n

topics (OpenAlex): Photoacoustic and Ultrasonic Imaging; Thermography and Photoacoustic Techniques; Nanoplatforms for cancer theranostics
TL;DR: A 1D PAI probe that integrates a 1D CMUT array, a fiber bundle, in-probe optics, and low-noise amplifiers which interface with a real-time imaging system is presented and the PAI capability of a single transparent CMUT element is demonstrated. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: March 24, 2019

2017 article

An optically transparent air-coupled capacitive micromachined ultrasonic transducer (CMUT) fabricated using adhesive bonding

Zhang, X., Yamaner, F. Y., Adelegan, O., & Oralkan, O. (2017, September 1). 2017 IEEE International Ultrasonics Symposium (IUS).

topics (OpenAlex): Photoacoustic and Ultrasonic Imaging; Flow Measurement and Analysis; Advanced MEMS and NEMS Technologies
Source: ORCID
Added: September 26, 2020

2017 conference paper

An optically transparent capacitive micromachined ultrasonic transducer (CMUT) fabricated using SU-8 or BCB adhesive wafer bonding

2017 IEEE International Ultrasonics Symposium (IUS). Presented at the 2017 IEEE International Ultrasonics Symposium (IUS).

By: X. Zhang n, O. Adelegan n, F. Yamaner n & O. Oralkan n

topics (OpenAlex): Photoacoustic and Ultrasonic Imaging; Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2017 journal article

Backward-Mode Photoacoustic Imaging Using Illumination Through a CMUT With Improved Transparency

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 65(1), 85–94.

By: X. Zhang n, X. Wu n, O. Adelegan n, F. Yamaner n & O. Oralkan n

author keywords: Acoustic transducers; capacitive sensors; glass; indium tin oxide; photoacoustic imaging
MeSH headings : Algorithms; Equipment Design; Indocyanine Green / chemistry; Phantoms, Imaging; Photoacoustic Techniques / instrumentation; Photoacoustic Techniques / methods; Silicon Compounds / chemistry; Transducers; Ultrasonography / instrumentation
topics (OpenAlex): Photoacoustic and Ultrasonic Imaging; Thermography and Photoacoustic Techniques; Optical Imaging and Spectroscopy Techniques
TL;DR: A capacitive micromachined ultrasonic transducer (CMUT) with improved transparency for photoacoustic imaging (PAI) with backside illumination is described and CMUTs with the proposed structure are promising for PAI withBackside illumination. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, NC State University Libraries, ORCID
Added: March 9, 2019

2017 conference paper

Gravimetric biosensor based on a capacitive micromachined ultrasonic transducer functionalized with peptide ligands

2017 IEEE SENSORS, 1–3.

By: M. Mahmud, H. Reese, A. Joshipura, C. Seok, F. Yamaner*, M. Daniele n, S. Menegatti, O. Oralkan*

topics (OpenAlex): Acoustic Wave Resonator Technologies; Mechanical and Optical Resonators; Advanced MEMS and NEMS Technologies
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2017 conference paper

Improved CMUT structure and method of operation for dual-frequency acoustic angiography

2017 IEEE International Ultrasonics Symposium (IUS). Presented at the 2017 IEEE International Ultrasonics Symposium (IUS).

By: M. Mahmud n, O. Adelegan n, J. Sanders n, X. Zhang n, F. Yamaner n, P. Dayton n, O. Oralkan n

topics (OpenAlex): Photoacoustic and Ultrasonic Imaging; Wireless Power Transfer Systems; Ultrasound Imaging and Elastography
TL;DR: A novel scheme to transmit a LF high-pressure pulse from a capacitive micromachined ultrasonic transducer (CMUT) operating in conventional mode and then switching to collapse mode to receive the HF microbubble harmonics in the same transmit-receive cycle is proposed. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2017 article

Improved CMUT structure and method of operation for dual-frequency acoustic angiography

Mahmud, M. M., Adelegan, O. J., Sanders, J. L., Zhang, X., Yamaner, F. Y., Dayton, P. A., & Oralkan, O. (2017, September 1). 2017 IEEE International Ultrasonics Symposium (IUS).

topics (OpenAlex): Soft Robotics and Applications; Advanced MEMS and NEMS Technologies; Flow Measurement and Analysis
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: September 26, 2020

2016 conference paper

2D CMUT array based ultrasonic micromanipulation platform

2016 IEEE International Ultrasonics Symposium (IUS). Presented at the 2016 IEEE International Ultrasonics Symposium (IUS).

By: A. Zeshan*, X. Zhang n, O. Oralkan n & F. Yamaner*

topics (OpenAlex): Microfluidic and Bio-sensing Technologies; Microfluidic and Capillary Electrophoresis Applications; Acoustic Wave Resonator Technologies
Sources: Crossref, NC State University Libraries, NC State University Libraries
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).

By: X. Zhang n, A. Zeshan*, O. Adelegan n, F. Yamaner* & O. Oralkan n

topics (OpenAlex): Advanced MEMS and NEMS Technologies; Acoustic Wave Resonator Technologies; Ultrasonics and Acoustic Wave Propagation
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, 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).

By: X. Zhang n, O. Adelegan n, F. Yamaner* & O. Oralkan n

topics (OpenAlex): Advanced Sensor and Energy Harvesting Materials; Acoustic Wave Resonator Technologies; Ultrasonics and Acoustic Wave Propagation
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 article

Commentary : Hypothesis Focused Ultrasound and NXY-059 in Experimental Cerebral Ischemia: A New Therapeutic Opportunity?

Yulug, B., Hanoglu, L., Yamaner, F. Y., Kilic, E., & Schabitz, W. R. (2016, October 7). CNS & Neurological Disorders - Drug Targets, Vol. 15, pp. 1010–1013.

By: B. Yulug*, L. Hanoglu, F. Yamaner*, E. Kilic & W. Schabitz

MeSH headings : Animals; Antioxidants / therapeutic use; Benzenesulfonates / therapeutic use; Brain Ischemia / diagnostic imaging; Brain Ischemia / therapy; Magnetic Resonance Imaging; RNA-Binding Protein FUS / metabolism; Ultrasonic Therapy / methods
topics (OpenAlex): Ultrasound and Hyperthermia Applications
Sources: ORCID, NC State University Libraries
Added: September 26, 2020

2016 journal article

Fabrication of Vacuum-Sealed Capacitive Micromachined Ultrasonic Transducers With Through-Glass-Via Interconnects Using Anodic Bonding

Journal of Microelectromechanical Systems, 26(1), 226–234.

By: X. Zhang n, F. Yamaner* & O. Oralkan n

topics (OpenAlex): Ultrasonics and Acoustic Wave Propagation; Ultrasound Imaging and Elastography; Advanced MEMS and NEMS Technologies
Sources: Crossref, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 journal article

Focused Ultrasound and NXY-059 in Experimental Cerebral Ischemia: A New Therapeutic Opportunity?

CNS & Neurological Disorders - Drug Targets, 15(9).

By: B. Yulug, L. Hanoglu, F. Yamaner, E. Kilic & W. Schabitz

Source: NC State University Libraries
Added: March 9, 2019

2015 conference paper

A capacitive micromachined ultrasonic transducer (CMUT) array as a low-power multi-channel volatile organic compound (VOC) sensor

2015 IEEE SENSORS, 181–184.

By: M. Mahmud n, M. Kumar n, X. Zhang n, F. Yamaner n, H. Nagle n & O. Oralkan n

topics (OpenAlex): Advanced MEMS and NEMS Technologies; Acoustic Wave Resonator Technologies; Advanced Sensor Technologies Research
Sources: ORCID, Crossref, NC State University Libraries
Added: March 20, 2019

2015 conference paper

A capacitive micromachined ultrasonic transducer (CMUT) array as a low-power multi-channel volatile organic compound (VOC) sensor

2015 ieee sensors, 181–184.

By: M. Mahmud, M. Kumar, X. Zhang, F. Yamaner, H. Nagle & O. Oralkan

Source: NC State University Libraries
Added: August 6, 2018

2015 article

A three-mask process for fabricating vacuum-sealed capacitive micromachined ultrasonic transducers using anodic bonding

Yamaner, F. Y., Zhang, X., & Oralkan, Ö. (2015, May 1). IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, Vol. 62, pp. 972–982.

By: F. Yamaner*, X. Zhang n & Ö. Oralkan n

MeSH headings : Electrodes; Equipment Design; Microtechnology; Models, Theoretical; Silicon Compounds / chemistry; Transducers; Ultrasonography / instrumentation; Vacuum
topics (OpenAlex): Advanced MEMS and NEMS Technologies; Advanced Sensor and Energy Harvesting Materials; Piezoelectric Actuators and Control
TL;DR: This paper introduces a simplified fabrication method for vacuum-sealed capacitive micromachined ultrasonic transducer arrays using anodic bonding, which combines the advantages of a patterned metal bottom electrode on an insulating substrate, specifically low parasitic series resistance and low parasitic shunt capacitance. (via Semantic Scholar)
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Sources: Web Of Science, 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).

By: X. Zhang n, F. Yamanery*, O. Adelegan n & O. Oralkan n

author keywords: High frequency transducer array; Broadband; CMUT; Anodic bonding; Glass
topics (OpenAlex): Acoustic Wave Resonator Technologies; GaN-based semiconductor devices and materials; Advanced MEMS and NEMS Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries, Web Of Science
Added: August 6, 2018

2015 conference paper

Fabrication of capacitive micromachined ultrasonic transducers with through-glass-via interconnects

2015 IEEE International Ultrasonics Symposium (IUS). Presented at the 2015 IEEE International Ultrasonics Symposium (IUS).

By: X. Zhang n, F. Yamanery* & O. Oralkan n

author keywords: CMUT; TGV; Anodic bonding; 3D integration; Glass
topics (OpenAlex): Advanced Sensor and Energy Harvesting Materials; Ultrasound Imaging and Elastography; Advanced MEMS and NEMS Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries, Web Of Science
Added: August 6, 2018

2014 conference paper

A low-power gas sensor for environmental monitoring using a capacitive micromachined ultrasonic transducer

IEEE SENSORS 2014 Proceedings. Presented at the 2014 IEEE Sensors.

By: M. Mahmud n, J. Li n, J. Lunsford n, X. Zhang n, F. Yamaner n, H. Nagle n, O. Oralkan n

topics (OpenAlex): Advanced MEMS and NEMS Technologies; Acoustic Wave Resonator Technologies; Advanced Sensor and Energy Harvesting Materials
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2014 article

Fabrication of anodically bonded capacitive micromachined ultrasonic transducers with vacuum-sealed cavities

Yamaner, F. Y., Zhang, N. X., & Oralkan, O. (2014, September 1). 2014 IEEE International Ultrasonics Symposium (IUS), pp. 604–607.

By: F. Yamaner n, N. Zhang n & O. Oralkan n

topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation; Innovative Energy Harvesting Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

High-power CMUTs: design and experimental verification

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 59(6), 1276–1284.

MeSH headings : Computer Simulation; Electric Impedance; Electronics, Medical / instrumentation; Equipment Design; Models, Theoretical; Transducers; Ultrasonography / instrumentation
topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation
TL;DR: A design approach in which uncollapsed CMUT array elements are sized so as to operate at the maximum radiation impedance and have gap heights such that the generated electrostatic force can sustain a plate displacement with full swing at the given drive amplitude is described. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 9, 2019

2012 conference paper

Performance assessment Of CMUTs in dual modality imaging/HIFU applications

2012 IEEE International Ultrasonics Symposium. Presented at the 2012 IEEE International Ultrasonics Symposium.

By: C. Meynier*, Y. Yanamer*, M. Canney*, A. Nguyen-Dinh*, A. Carpentier & J. Chapelon*

author keywords: cMUT; transducer; HIFU; ultrasound imaging
topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation; Acoustic Wave Resonator Technologies
TL;DR: The dual imaging-HIFU capability of the cMUT array is demonstrated and this is a new feature of the CMUT technology, as piezoelectric transducers are designed with a trade-off between bandwidth and transduction efficiency. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2011 journal article

An equivalent circuit model for transmitting capacitive micromachined ultrasonic transducers in collapse mode

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 58(7), 1468–1477.

MeSH headings : Finite Element Analysis; Microtechnology; Transducers; Ultrasonography / instrumentation
topics (OpenAlex): Ultrasonics and Acoustic Wave Propagation; Advanced MEMS and NEMS Technologies; Acoustic Wave Resonator Technologies
TL;DR: An equivalent nonlinear electrical circuit that can accurately simulate the mechanical behavior of a CMUT with given dimensions and mechanical parameters under any large or small signal electrical excitation, including the collapse mode is developed. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 9, 2019

2011 article

CMUT array element in deep-collapse mode

Olcum, S., Yamaner, F. Y., Bozkurt, A., Koymen, H., & Atalar, A. (2011, October 1). 2011 IEEE International Ultrasonics Symposium.

topics (OpenAlex): Ultrasonics and Acoustic Wave Propagation; Acoustic Wave Resonator Technologies; Ultrasound Imaging and Elastography
Source: ORCID
Added: September 26, 2020

2011 journal article

Deep-collapse operation of capacitive micromachined ultrasonic transducers

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 58(11), 2475–2483.

By: S. Olcum*, F. Yamaner*, A. Bozkurt* & A. Atalar*

MeSH headings : Computer-Aided Design; Electric Capacitance; Equipment Design; Equipment Failure Analysis; Transducers; Ultrasonic Therapy / instrumentation; Ultrasonography / instrumentation
topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation; Acoustic Wave Resonator Technologies
TL;DR: It is shown that the output pressure of CMUTs can be significantly increased by deep-collapse operation, which utilizes an electrical pulse excitation much higher than the collapse voltage. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 9, 2019

2011 article

Design and implementation of capacitive micromachined ultrasonic transducers for high power

Yamaner, F. Y., Olcum, S., Bozkurt, A., Koymen, H., & Atalar, A. (2011, October 1). 2011 IEEE International Ultrasonics Symposium.

topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation; Acoustic Wave Resonator Technologies
Source: ORCID
Added: September 26, 2020

2010 conference paper

An equivalent circuit for collapse operation mode of CMUTs

2010 IEEE International Ultrasonics Symposium. Presented at the 2010 IEEE Ultrasonics Symposium (IUS).

topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation; Advanced Sensor and Energy Harvesting Materials
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2010 conference paper

Optimizing CMUT geometry for high power

2010 IEEE International Ultrasonics Symposium. Presented at the 2010 IEEE Ultrasonics Symposium (IUS).

topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation; Acoustic Wave Resonator Technologies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2009 journal article

Dual-electrode CMUT with non-uniform membranes for high electromechanical coupling coefficient and high bandwidth operation

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 56(6), 1270–1276.

By: R. Guldiken*, J. Zahorian*, F. Yamaner* & F. Degertekin*

MeSH headings : Computer-Aided Design; Electrodes; Equipment Design; Equipment Failure Analysis; Membranes, Artificial; Micro-Electrical-Mechanical Systems / instrumentation; Reproducibility of Results; Sensitivity and Specificity; Transducers; Ultrasonography / instrumentation
topics (OpenAlex): Acoustic Wave Resonator Technologies; Advanced MEMS and NEMS Technologies; Advanced Sensor and Energy Harvesting Materials
TL;DR: Measurement results on dual-electrode CMUT demonstrating electromechanical coupling coefficient (k2) of 0.82 at 90% of collapse voltage as well as 136% 3 dB one-way fractional bandwidth at the transducer surface around the design frequency of 8 MHz are reported. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 9, 2019

2009 conference paper

Modeling the pulse-echo response of a 2D CMUT array element

2009 IEEE International Ultrasonics Symposium. Presented at the 2009 IEEE International Ultrasonics Symposium.

By: F. Yamaner* & A. Bozkurt*

topics (OpenAlex): Ultrasonics and Acoustic Wave Propagation; Ultrasound Imaging and Elastography; Acoustic Wave Phenomena Research
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2009 conference paper

Wafer bonded capacitive micromachined underwater transducers

2009 IEEE International Ultrasonics Symposium. Presented at the 2009 IEEE International Ultrasonics Symposium.

By: S. Olcum*, K. Oguz*, M. Senlik*, F. Yamaner*, A. Bozkurt*, A. Atalar*, H. Koymen*

Event: 2009 IEEE International Ultrasonics Symposium

topics (OpenAlex): Advanced MEMS and NEMS Technologies; Advanced Sensor and Energy Harvesting Materials; Dielectric materials and actuators
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2008 conference paper

Front-end IC design for intravascular ultrasound imaging

2008 Ph.D. Research in Microelectronics and Electronics. Presented at the 2008 Ph.D. Research in Microelectronics and Electronics (PRIME).

By: F. Yamaner*, L. Cenkeramaddi* & A. Bozkurt*

Event: 2008 Ph.D. Research in Microelectronics and Electronics (PRIME)

topics (OpenAlex): Ultrasound Imaging and Elastography; Photoacoustic and Ultrasonic Imaging; Ultrasonics and Acoustic Wave Propagation
TL;DR: Two different designs of front-end IC for 2D cMUT arrays that can be used for intravascular ultrasound imaging system are presented and the results show that the front- end circuit tested with the equivalent circuit model of the cM UT elements is promising for the optimization of the overall system performance before manufacturing. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2008 conference paper

Ultrasonic phased array device for real-time acoustic imaging in air

2008 IEEE Ultrasonics Symposium. Presented at the 2008 IEEE Ultrasonics Symposium (IUS).

By: S. Harput*, A. Bozkurt* & F. Yamaner*

Event: 2008 IEEE Ultrasonics Symposium (IUS)

topics (OpenAlex): Ultrasonics and Acoustic Wave Propagation; Speech and Audio Processing; Flow Measurement and Analysis
TL;DR: The results of these experiments prove the grating lobe suppression capability of the applied placement strategy and the functionality of the system is tested with several experiments. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019

2007 conference paper

A Low Noise Capacitive Feedback Analog Front-end for CMUTs in IVUS Imaging

Proceedings of the 2007 IEEE Ultrasonics Symposium.

By: C. Reddy, A. Bozkurt, F. Yamaner & T. Ytterdal

Source: NC State University Libraries
Added: March 18, 2019

2007 conference paper

Front-End IC Design for 2D cMUT Arrays: Modeling and Experimental Verification

Proceedings of the 2007 IEEE Ultrasonics Symposium.

By: F. Yamaner & A. Bozkurt

Source: NC State University Libraries
Added: March 18, 2019

2007 article

P4M-6 A Low Noise Capacitive Feedback Analog Front-End for CMUTs in Intra Vascular Ultrasound Imaging

Cenkeramaddi, L. R., Bozkurt, A., Yamaner, F. Y., & Ytterdal, T. (2007, October 1). Proceedings/Proceedings - IEEE Ultrasonics Symposium.

author keywords: CMUT; CMUT sensing circuit; CMUT analog front-end; CMUT-CMOS; low-noise; ultrasound front end; high voltage ultrasound pulser; IVUS imaging; capacitive feedback analog front-end
topics (OpenAlex): Analog and Mixed-Signal Circuit Design; Ultrasound Imaging and Elastography; Electrical and Bioimpedance Tomography
TL;DR: The proposed capacitive feedback analog front-end for intra vascular ultrasound (IVUS) imaging as opposed to the conventional resistive feedback Analog front-ends was able to achieve an overall noise figure of less than 2 dB. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: September 26, 2020

2007 article

P4M-7 Front-End IC Design for 2D cMUT Arrays: Modeling and Experimental Verification

Yamaner, F. Y., & Bozkurt, A. (2007, October 1). Proceedings/Proceedings - IEEE Ultrasonics Symposium.

By: F. Yamaner* & A. Bozkurt*

topics (OpenAlex): Ultrasonics and Acoustic Wave Propagation; Acoustic Wave Resonator Technologies; Radio Frequency Integrated Circuit Design
Source: ORCID
Added: September 26, 2020

2006 conference paper

A Lumped Circuit Model for the Mutual Radiation Impedance of Acoustic Array Elements

Proceedings of the 2006 IEEE Ultrasonics Symposium.

By: F. Yamaner & A. Bozkurt

Source: NC State University Libraries
Added: March 18, 2019

2006 article

P3R-6 A Lumped Circuit Model for the Mutual Radiation Impedance of Acoustic Array Elements

Bozkurt, A., & Yamaner, F. Y. (2006, January 1). 2006 IEEE Ultrasonics Symposium.

By: A. Bozkurt* & F. Yamaner*

topics (OpenAlex): Ultrasound Imaging and Elastography; Ultrasonics and Acoustic Wave Propagation; Acoustic Wave Phenomena Research
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: September 26, 2020

2005 journal article

A biotelemetric system for human ECG measurements

Measurement, 38(2), 148–153.

By: M. Engin*, Y. Yamaner* & E. Engin*

author keywords: ECG; telemedicine; biomedical electronics
topics (OpenAlex): ECG Monitoring and Analysis; Wireless Body Area Networks
TL;DR: A prototype telemedicine system which provides human electrocardiogram signals transferring via a mobile phone and covers the management of electronic records of patient and access to databases on the hospital side is presented. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 9, 2019

Employment

Updated: May 2nd, 2024 12:39

2019 - present

Clearsens Inc. Raleigh, NC, US
CEO

2016 - present

North Carolina State University Raleigh, NC, US
Research Assistant Professor Department of Electrical and Computer Engineering

2014 - 2016

Istanbul Medipol University Istanbul, TR
Assistant Professor Engineering

Education

Updated: December 10th, 2019 14:34

2006 - 2011

Sabancı University Istanbul, TR
Ph.D. Electronics Engineering

2004 - 2006

Sabanci University Istanbul, TR
M.Sc. Electronics Engineering

1999 - 2004

Ege University Izmir, TR

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