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Transmission Mode

CSAM® also has the ability to create images based on how the ultrasound transmits through the entire sample thickness. Since air space defects such as voids, delaminations, cracks and porosity cannot transmit the ultrasound, the loss of transmitted signal indicates the presence of these types of defects. In addition, changes in the transmitted signal can provide evidence of changes in material properties. This data is often the key to determining variations in manufacturing processes.

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