Sition with an unfocused, single element, 0.5 inch diameter ultrasound transducer (1.0, two.25 or
Sition with an unfocused, single element, 0.five inch diameter ultrasound transducer (1.0, 2.25 or 5 MHz, using a -6 dB bandwidth of 58.9, 89.2 and 70.5 Panametrics-NDT, Waltham, MA) aligned…