Phased array probe using Pb(Zn1/3Nb2/3)O3-PbTiO3 single-crystal-polymer composites

Kazuhiro Itsumi; Shiroh Saitoh; Mamoru Izumi; Tsuyoshi Kobayashi; Kouichi Harada; Yohachi Yamashita

doi:10.1117/12.382228

12 April 2000 Phased array probe using Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃ single-crystal-polymer composites

Kazuhiro Itsumi, Shiroh Saitoh, Mamoru Izumi, Tsuyoshi Kobayashi, Kouichi Harada, Yohachi Yamashita

Proceedings Volume 3982, Medical Imaging 2000: Ultrasonic Imaging and Signal Processing; (2000) https://doi.org/10.1117/12.382228
Event: Medical Imaging 2000, 2000, San Diego, CA, United States

Abstract

A 96-channel phased array probe using Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃ (PZNT 91/9) single-crystal-polymer composites has been successfully fabricated to realize broader bandwidth property. Wafers of PZNT 91/9 single crystals larger than 15 X 20 mm were prepared by a Bridgman method. 1 - 3 composites were fabricated using an improved dice-fill technique. Fabricated 1 - 3 composites with 67% volume fraction of single crystal showed electromechanical coupling factors (k₃₃') of over 80% acoustic impedances of 10 to 12 Mrayls, and dielectric constants of 1,800 to 2,100. A phased array probe with a center frequency of 3.5 MHz was fabricated using the 1 - 3 composites. A flexible printed circuit was connected to the composite and all elements were successfully cut using an improved fabrication process. The bandwidth of the PZNT 91/9 single-crystal composite probes is twice as broad as that of conventional PZT ceramic probe. Echo amplitudes of these PZNT 91/9 single-crystal composite probes are almost the same as those of conventional PZT ceramic probes.

Citation Download Citation

Kazuhiro Itsumi, Shiroh Saitoh, Mamoru Izumi, Tsuyoshi Kobayashi, Kouichi Harada, and Yohachi Yamashita "Phased array probe using Pb(Zn_1/3Nb_2/3)O₃-PbTiO₃ single-crystal-polymer composites", Proc. SPIE 3982, Medical Imaging 2000: Ultrasonic Imaging and Signal Processing, (12 April 2000); https://doi.org/10.1117/12.382228

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available