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Real-time volume imaging using a crossed electrode array

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4 Author(s)
Demore, C.E.M. ; Inst. for Med. Sci. & Technol., Univ. of Dundee, Dundee ; Joyce, A. ; Wall, K. ; Lockwood, G.R.

This paper describes a unique crossed electrode array for real-time volume ultrasound imaging. By placing orthogonal linear array electrode patterns on the opposite sides of a hemispherically shaped composite transducer substrate, a 2D array can be fabricated using a small fraction of the elements required for a traditional 2D array. The performance of the array is investigated using a computer simulation of the radiation pattern. We show that by using a 288-element crossed electrode pattern it is possible to collect large field of view volume images (60deg times 60degsector) at real-time frame rates (>20 volume images/s), with image contrast and resolution comparable to what can be obtained using a conventional 128-element linear phased array.

Published in:

Ultrasonics, Ferroelectrics and Frequency Control, IEEE Transactions on  (Volume:56 ,  Issue: 6 )

Date of Publication:

June 2009

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