Scanning head consist of
• x-ray tube • Illumination beam collimator • Detectors to measure the backscatter signal
• Can be adapted to use any X-ray energy • Energy required dependant on application • Uses COTS X-ray tubes • Currently systems available from 160-225 kV
• Design of collimator and aperture
• Can be pointed in different directions • Tailoring of aperture size for different applications
• Configurable Detector Arrays
• Different size detectors and detector combination
allow for easy customizations to applications • May use Radiography by Selective Detection
(RSD) to enhance image contrast and subsurface
resolution