A method and system is provided for enhanced ultrasonic detection and imaging of small defects inside or at the surface of an object. The Synthetic Aperture Focusing Technique (SAFT) has been used to improve the detectability and to enhance images in conventional ultrasonics and this method has recently...http://www.google.de/patents/US6128092?utm_source=gb-gplus-sharePatent US6128092 - Method and system for high resolution ultrasonic imaging of small defects or anomalies.
