FIELD: physics.
SUBSTANCE: object is scanned by radiation point source beam to register intensity of radiation passed through control object with the help of matrix of detectors and process obtained data by computer to be recovered on the basis of object internal structure. Note here that flat-field collimators are used to form directed radiation flow with shape retracing controlled part contour. Control object is displaced in axis perpendicular to collimator plane to connect point source with collimator centre to delineate controlled part. Radiation intensity is registered by appropriate detectors arranged along axial lines of collimator flat-fields.
EFFECT: higher efficiency, accuracy and reliability, simplified process and implementation.
2 dwg
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