New software is windows compatable providing user friendly interface and easy data transfer. The image below is of a 10 Kopek Soviet coin. In this scan we looked through the dime at the far side of the dime. Since the path of the sound waves passes through both the front of the dime on its way to the back wall the image of both sides are superposed in the picture. Below is an image of a copper and aluminum diffusion bond.
White areas show areas of disbond and dark areas show differently oriented grains in the aluminum.
The 3-D image below was extracted from full wave form UT data. For more info on this contact Deb Summa. Compare them and you will see how the images are related to each other.