Advanced Self Powered Systems of Sensors and Technologies Center
Works Published in 2005
Displaying works 21 - 40 of 74 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2005 conference paper
A miniature real-time volumetric ultrasound imaging system
In W. F. Walker & S. Y. Emelianov (Eds.), Medical Imaging 2005: Ultrasonic Imaging and Signal Processing.
Ed(s): W. Walker & S. Emelianov
Event: Medical Imaging
author keywords: capacitive micromachined ultrasonic transducer; CMUT; two-dimensional array; electronics; ultrasonic imaging; integration; synthetic aperture; flip-chip bonding; through-wafer interconnects; systems
TL;DR:
Progress made in the development of a miniature real-time volumetric ultrasound imaging system is presented, targeted for use in a 5-mm endoscopic channel and to demonstrate the advantages of the capacitive micromachined ultrasonic transducer (CMUT) technology for medical imaging.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: April 5, 2019
2005 conference paper
Underwater acoustic imaging using capacitive micromachined ultrasonic transducer arrays
Oceans '02 MTS/IEEE. Presented at the Oceans 2002 Conference and Exhibition.
Event: Oceans 2002 Conference and Exhibition.
Sources: Crossref, NC State University Libraries
Added: March 30, 2019
2005 conference paper
CMUT ring arrays for forward-looking intravascular imaging
IEEE Ultrasonics Symposium, 2004. Presented at the IEEE Ultrasonics Symposium, 2004.
Event: IEEE Ultrasonics Symposium, 2004
TL;DR:
An annular CMUT ring array designed and fabricated for the tip of a catheter used for forward-looking intravascular imaging is described, and a nonlinear dynamic transient finite element analysis for the transducer is performed, finding these results to be in good agreement with experimental measurements.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 30, 2019
2005 conference paper
High-frequency CMUT arrays for high-resolution medical imaging
IEEE Ultrasonics Symposium, 2004. Presented at the IEEE Ultrasonics Symposium, 2004.
Event: IEEE Ultrasonics Symposium, 2004
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 30, 2019
2005 conference paper
Integrated ultrasonic imaging systems based on CMUT arrays: recent progress
IEEE Ultrasonics Symposium, 2004. Presented at the IEEE Ultrasonics Symposium, 2004.
Event: IEEE Ultrasonics Symposium, 2004
TL;DR:
The paper describes the development of an ultrasonic imaging system based on a two-dimensional capacitive micromachined ultrasonic transducer array, and the progress made on implementing each of its components: a 16/spl times/16 CMUT array; custom-designed integrated circuits; a flip-chip bonding technique; signal-processing hardware.
(via Semantic Scholar)
citeseerx.ist.psu.edu (repository)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 30, 2019
2005 conference paper
Dynamic FEM analysis of multiple cmut cells in immersion
IEEE Ultrasonics Symposium, 2004. Presented at the IEEE Ultrasonics Symposium, 2004.
Event: IEEE Ultrasonics Symposium, 2004
Sources: Crossref, NC State University Libraries
Added: March 30, 2019
2005 conference paper
Two-dimensional capacitive micromachined ultrasonic transducer (CMUT) arrays for a miniature integrated volumetric ultrasonic imaging system
In W. F. Walker & S. Y. Emelianov (Eds.), Medical Imaging 2005: Ultrasonic Imaging and Signal Processing.
Ed(s): W. Walker & S. Emelianov
Event: Medical Imaging
author keywords: capacitive micromachined ultrasonic transducer; CMUT; two-dimensional array; ultrasonic imaging; through-wafer interconnect; integration; flip-chip bonding
Sources: Crossref, NC State University Libraries
Added: March 30, 2019
2005 conference paper
High-frequency CMUT arrays for high-resolution medical imaging
In W. F. Walker & S. Y. Emelianov (Eds.), Medical Imaging 2005: Ultrasonic Imaging and Signal Processing.
Ed(s): W. Walker & S. Emelianov
Event: Medical Imaging
author keywords: capacitive micromachined ultrasonic transducer; CMUT; high-frequency ultrasound; ring array
TL;DR:
The paper describes high-frequency 1D CMUT arrays designed and fabricated for use in electronically scanned high-resolution ultrasonic imaging systems, which reveals that the transducer active area should be maximized to obtain a wideband response at high frequencies.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 30, 2019
2005 conference paper
Capacitive micromachined ultrasonic transducer technology for medical ultrasound imaging
In W. F. Walker & S. Y. Emelianov (Eds.), Medical Imaging 2005: Ultrasonic Imaging and Signal Processing.
Ed(s): W. Walker & S. Emelianov
Event: Medical Imaging
author keywords: capacitive micromachined ultrasonic transducer; two-dimensional array; ultrasonic imaging; wafer bonding
TL;DR:
Device examples of one-dimensional and two-dimensional arrays designed to work in the 1 to 50 MHz range with 100% fractional bandwidth highlight the advantages of the wafer-bonding method, and show that cMUT technology is indeed the better candidate for next generation ultrasonic imaging arrays.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 30, 2019
2005 conference paper
Self-propelling semiconductor devices demonstrate new electroosmotic motility principles
AIChE Annual Meeting, Conference Proceedings. http://www.scopus.com/inward/record.url?eid=2-s2.0-33645575757&partnerID=MN8TOARS
Contributors: S. Chang, O. Velev & V. Paunov
Source: ORCID
Added: March 21, 2019
2005 journal article
Molecular effects of anionic surfactants on lysozyme precipitation and crystallization
Crystal Growth and Design, 5(1), 351–359.
Contributors: O. Velev* , Y. Pan *, E. Kaler* & A. Lenhoff *
Source: ORCID
Added: March 21, 2019
2005 conference paper
Graduate and undergraduate teaching of colloid science and nanoscale engineering - Combining fundamentals with emerging technologies
AIChE Annual Meeting, Conference Proceedings. http://www.scopus.com/inward/record.url?eid=2-s2.0-33645646847&partnerID=MN8TOARS
Contributors: O. Velev
Source: ORCID
Added: March 21, 2019
2005 conference paper
Fabrication of novel types of colloidosome microcapsules for drug delivery applications
Materials Research Society Symposium Proceedings, 845, 279–283. http://www.scopus.com/inward/record.url?eid=2-s2.0-20344390030&partnerID=MN8TOARS
Contributors: V. Paunov, P. Noble, O. Cayre, R. Alargova & O. Velev
Source: ORCID
Added: March 21, 2019
2005 conference paper
Designing silver-enhnaced nanoparticle based immunoassays for antigen/antibody detection
AIChE Annual Meeting, Conference Proceedings. http://www.scopus.com/inward/record.url?eid=2-s2.0-33645648355&partnerID=MN8TOARS
Contributors: S. Gupta, S. Huda, O. Velev & P. Kilpatrick
Source: ORCID
Added: March 21, 2019
2005 conference paper
Controlled dielectrophoretic assembly of bio-inorganic composite materials using live cells and functionalized particles
AIChE Annual Meeting, Conference Proceedings, 14245–14248. http://www.scopus.com/inward/record.url?eid=2-s2.0-33645634751&partnerID=MN8TOARS
Contributors: S. Gupta, R. Alargova, P. Kilpatrick & O. Velev
Source: ORCID
Added: March 21, 2019
2005 conference paper
Controlled deposition and modification of antireflective coatings from silica nanoparticles
AIChE Annual Meeting Conference Proceedings, 2005. http://www.scopus.com/inward/record.url?eid=2-s2.0-33646755458&partnerID=MN8TOARS
Contributors: B. Prevo, Y. Hwang, J. McClain, R. Carbonell & O. Velev
Source: ORCID
Added: March 21, 2019
2005 book
Assembly and application of carbon nanotube fibrils with controlled and variable lengths by dielectrophoresis
In Clusters and Nano-Assemblies: Physical and Biological Systems: Richmond, Virginia, U.S.A., 10-13 November, 2003 (pp. 193–198).
Source: ORCID
Added: March 21, 2019
2005 chapter
Techniques and Applications of Capacitive Micromachined Ultrasonic Transducers
In C. T. Leondes (Ed.), Fabrication Techniques for MEMS/NEMS (pp. 223–280). New York: Springer.
Ed(s): C. Leondes
Source: NC State University Libraries
Added: March 20, 2019
2005 journal article
Coherent array imaging using phased subarrays. Part II: simulations and experimental results
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 52(1), 51–64.
MeSH headings : Computer Simulation; Computer-Aided Design; Echocardiography, Doppler, Pulsed / instrumentation; Echocardiography, Doppler, Pulsed / methods; Equipment Design; Equipment Failure Analysis; Image Enhancement / instrumentation; Image Enhancement / methods; Image Interpretation, Computer-Assisted / instrumentation; Image Interpretation, Computer-Assisted / methods; Models, Biological; Phantoms, Imaging; Tomography, Optical Coherence / instrumentation; Tomography, Optical Coherence / methods; Transducers
TL;DR:
The simulated and experimental test results presented in this paper validate theoretical expectations and illustrate the flexibility of PSA imaging as a way to exchange SNR and frame rate for simplified front-end hardware.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019
2005 journal article
Capacitive micromachined ultrasonic transducer design for high power transmission
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 52(2), 326–339.
TL;DR:
The collapse-snapback operation of the cMUT: the membrane is collapsed onto the substrate in the collapsing cycle, and released in the snapback cycle overcomes the above-mentioned limitations of the conventional operation.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: March 18, 2019
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