Dual-frequency transducer for nonlinear contrast agent imaging

  title={Dual-frequency transducer for nonlinear contrast agent imaging},
  author={A. Guiroy and Franck Levassort and Erling Ringgaard and Rasmus Lou-Moeller and Tomasz Zawada and Anthony Novell and J. M. Gregoire and Ayache Bouakaz},
  journal={2012 IEEE International Ultrasonics Symposium},
A new transducer for superharmonic and subharmonic contrast imaging was designed. This transducer was constituted of two elements: the outer low frequency (LF) element was centered at 4 MHz while a high frequency element (HF) was centered at 14 MHz. The center element was pad printed using InSensorTM TF2100 PZT paste. The outer element was mould with FerropermTM Pz26 and a curved porous FerropermTM Pz37 was used as backing. Each piezoelectric element was characterized to deduce… CONTINUE READING


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