This invention relates to an ultrasonic transducer array for non-destructive imaging and inspection of materials, suitable for applications such as bio-medical imaging. According to the invention, the transducer has at least one electrode comprising an array of electrode elements, wherein the elements...http://www.google.fr/patents/US6974417?utm_source=gb-gplus-shareBrevet US6974417 - Ultrasound transducer array