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Technical Brief

A Study of Backing Layer Structure for Intravascular Ultrasound Transducer1

[+] Author and Article Information
Seon Mi Ji, Chan Yuk Park, Jin Ho Sung, Sung Min Kim

Department of Medical Biotechnology,
Dongguk University,
Seoul 04620, Korea

Jong Seob Jeong

Department of Medical Biotechnology,
Dongguk University,
Seoul 04620, Korea
e-mail: jjsspace@dongguk.edu

DOI: 10.1115/1.4033853Manuscript received March 1, 2016; final manuscript received March 17, 2016; published online August 1, 2016. Editor: William Durfee.

J. Med. Devices 10(3), 030933 (Aug 01, 2016) (3 pages) Paper No: MED-16-1130; doi: 10.1115/1.4033853 History: Received March 01, 2016; Revised March 17, 2016

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References

Shung, K. K. , 2004, Diagnostic Ultrasound: Imaging and Blood Flow Measurements, CRC Press, Boca Raton, FL.
Cobbold, R. S. C. , 2007, Foundation of Biomedical Ultrasound, Oxford University Press, New York.
Chapagain, K. R. , and Ronnekleive, A. , 2013, “ Grooved Backing Structure for CMUTs,” IEEE Trans. Ultrason. Ferroelectr. Freq. Control, 60(11), pp. 2440–2452. [CrossRef] [PubMed]
Kinsler, L. E. , Frey, A. R. , Alan, C. B. , and Sanders, J. V. , 1999, Fundamentals of Acoustics, Wiley, Hoboken, NJ.
PZFlex Support Group, 2014, “ PZFlex Command Reference Manual,” Weidlinger Associates, Cupertino, CA, http://www.pzflex.com.
Wang, H. , Ritter, T. , Cao, W. , and Shung, K. K. , 2001, “ High Frequency Properties of Passive Materials for Ultrasound Transducers,” IEEE Trans. Ultrason. Ferroelectr. Freq. Control, 48(1), pp. 78–84. [CrossRef] [PubMed]

Figures

Grahic Jump Location
Fig. 1

Schematic diagram for cross-sectional structure of the proposed phase-canceling backing layer

Grahic Jump Location
Fig. 2

(a) Time- and (b) frequency-domain responses of thick (40 λ) bulk backing mode; (c) time- and (d) frequency-domain responses of thin (total 5 λ thickness) bulk backing mode

Grahic Jump Location
Fig. 3

(a) Time- and (b) frequency-domain responses of the suggested backing structure (total 5 λ thickness)

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