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dc.contributor.authorDeğertekin, Fahrettin Leventen_US
dc.contributor.authorGüldiken, Rasim Oytunen_US
dc.contributor.authorKaraman, Mustafaen_US
dc.date.accessioned2015-01-15T23:00:35Z
dc.date.available2015-01-15T23:00:35Z
dc.date.issued2006-02
dc.identifier.citationDeğertekin, F. L., Güldiken, R. O. & Karaman, M. (2006). Annular-ring CMUT arrays for forward-looking IVUS: Transducer characterization and imaging. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 53(2), 474-482. doi:10.1109/TUFFC.2006.1593387en_US
dc.identifier.issn0885-3010
dc.identifier.issn1525-8955
dc.identifier.urihttps://hdl.handle.net/11729/232
dc.identifier.urihttp://dx.doi.org/10.1109/TUFFC.2006.1593387
dc.description.abstractIn this study, a 64-element, 1.15-mm diameter annular-ring capacitive micromachined ultrasonic transducer (CMUT) array was characterized and used for forward-looking intravascular ultrasound (IVUS) imaging tests. The array was manufactured using low-temperature processes suitable for CMOS electronics integration oil a single chip. The measured radiation pattern of a 43 X 140- mu m(2) array element depicts a 40 degrees view angle for forward-looking imaging around a 15-MHz center frequency in agreement with theoretical models. Pulse-echo measurements show a -10-dB fractional bandwidth of 104% around 17 MHz for wire targets 2.5 mm away from the array in vegetable oil. For imaging and SNR measurements, RF A-scan data sets from various targets were collected using all interconnect scheme forming a 32-element array configuration. An experimental point spread function was obtained and compared with simulated and theoretical array responses, showing good agreement. Therefore, this study demonstrates that annular-ring CMUT arrays fabricated with CMOS-compatible processes are capable of forward-looking IVUS imaging, and the developed modeling tools can be used to design improved IVUS imaging arrays.en_US
dc.description.sponsorshipWhitaker Foundationen_US
dc.language.isoengen_US
dc.publisherIEEEen_US
dc.relation.isversionof10.1109/TUFFC.2006.1593387
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectMicromachined ultrasonic transducersen_US
dc.subjectIntravascular ultrasounden_US
dc.subjectPatternen_US
dc.subjectCapacitive micromachined ultrasonic transducer (CMUT)en_US
dc.subjectImaging arraysen_US
dc.subjectIntravascular ultrasound (IVUS)en_US
dc.subjectArraysen_US
dc.subjectBandwidthen_US
dc.subjectCMOS integrated circuitsen_US
dc.subjectMathematical modelsen_US
dc.subjectUltrasonic imagingen_US
dc.subjectUltrasonic transducersen_US
dc.subjectArticleen_US
dc.subjectComputer assisted diagnosisen_US
dc.subjectEndoscopic echographyen_US
dc.subjectEquipmenten_US
dc.subjectEquipment designen_US
dc.subjectEvaluationen_US
dc.subjectImage enhancementen_US
dc.subjectInstrumentationen_US
dc.subjectMethodologyen_US
dc.subjectReproducibilityen_US
dc.subjectSensitivity and specificityen_US
dc.subjectTransduceren_US
dc.subjectEquipment designen_US
dc.subjectEquipment failure analysisen_US
dc.subjectImage enhancementen_US
dc.subjectImage interpretationen_US
dc.subjectComputer-assisteden_US
dc.subjectReproducibility of resultsen_US
dc.subjectSensitivity and specificityen_US
dc.subjectTransducersen_US
dc.subjectUltrasonographyen_US
dc.subjectInterventionalen_US
dc.titleAnnular-ring CMUT arrays for forward-looking IVUS: Transducer characterization and imagingen_US
dc.typearticleen_US
dc.description.versionPublisher's Versionen_US
dc.relation.journalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Controlen_US
dc.contributor.departmentIşık Üniversitesi, Mühendislik Fakültesi, Elektrik-Elektronik Mühendisliği Bölümüen_US
dc.contributor.departmentIşık University, Faculty of Engineering, Department of Electrical-Electronics Engineeringen_US
dc.identifier.volume53
dc.identifier.issue2
dc.identifier.startpage474
dc.identifier.endpage482
dc.peerreviewedYesen_US
dc.publicationstatusPublisheden_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.contributor.institutionauthorKaraman, Mustafaen_US
dc.relation.indexWOSen_US
dc.relation.indexScopusen_US
dc.relation.indexPubMeden_US
dc.relation.indexScience Citation Index Expanded (SCI-EXPANDED)en_US
dc.description.qualityQ1
dc.description.wosidWOS:000235323000025
dc.description.pubmedidPMID:16529123


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