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  • Mühendislik Fakültesi / Faculty of Engineering
  • Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering
  • MF - Bildiri Koleksiyonu | Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering
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  •   DSpace@Işık
  • 1- Fakülteler | Faculties
  • Mühendislik Fakültesi / Faculty of Engineering
  • Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering
  • MF - Bildiri Koleksiyonu | Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering
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Dual electrode capacitive micromachined ultrasonic transducer array for 1-D intracardiac echocardiography (ICE)

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Date

2007

Author

Güldiken, Rasim Oytun
Zahorian, Jaime S.
Karaman, Mustafa
Değertekin, Fahrettin Levent

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Citation

Güldiken, R. O., Zahorian, J. S., Karaman, M. & Değertekin, F. L. (2007). Dual electrode capacitive micromachined ultrasonic transducer array for 1-D intracardiac echocardiography (ICE). Paper presented at the 2, 349-350. doi:10.1115/IMECE2007-42480

Abstract

We designed and fabricated a 64 element 1-D linear dual electrode Capacitive Micromachined Ultrasonic Transducer (CMUT) array operating at 9.5 MHz for Intracardiac Echocardiography (ICE). The dual electrode CMUT structure increases the overall sensitivity by 12.6dB (6.2dB in receive sensitivity; 6.4dB in output pressure) when compared to optimized single electrode CMUT. We report peak output pressure of 2.3MPa on the CMUT surface when 170V AC and 180V DC is applied. This significant performance increase makes the CMUT more competitive with their piezoelectric counterparts.

Source

ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)

Volume

2

URI

https://hdl.handle.net/11729/2003
https://dx.doi.org/10.1115/IMECE2007-42480

Collections

  • MF - Bildiri Koleksiyonu | Elektrik-Elektronik Mühendisliği Bölümü / Department of Electrical-Electronics Engineering [222]
  • Scopus İndeksli Bildiri Koleksiyonu [452]

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    The cost and complexity of medical ultrasound imaging systems can be reduced by integrating the transducer array with an integrated circuit (IC). By incorporating some of the system's front-end electronics into an IC, bulky ...



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