Modelling and Numerical Simulations of In-Air Reverberation Images for Fault Detection in Medical Ultrasonic Transducers: A Feasibility Study

Figure 8

In-air reverberation patterns for the 128-element medical ultrasonic transducer for the following damaged elements: (a) backing layer; (b) matching layer; (c) crystal; and (d) lens.

(a)

(b)

(c)

(d)