Shearwave Generation Of 8.5mhz/256ch Linear Array Using High Q(M) Single Crystal For Elastography Imaging

This paper introduces single crystal transducer using high mechanical quality factor material (Q(m)) for Elastography application. Because the coercive filed of this new material is almost double comparing with normal single crystal used for transducer, it is possible to make high frequency with fine pitch is possible. This new type transducer shows better sensitivity and reliability when it is used for imaging application not only using normal pulse driving but also long pulse driving.