Patent ID: 7130370
Filing Date: 2006-10-31
Classification: G01N,G21K

Abstract:
1. A method for producing an image of the internal structure of an object with X-rays, wherein said object is subjected to X-rays and the output from multiple X-ray detectors is used for obtaining data on the substance density of said object; the method including the steps of: emitting multiple X-ray beams by multiple X-ray sources spaced apart with respect to each other, concentrating the X-ray beams in an X-ray concentration zone located within a target area of said object, the X-ray beams being concentrated using multiple concentration elements causing said X-ray beams to reach said X-ray concentration zone via multiple paths so as to sum effect of said X-rays beams in said X-ray concentration zone and avoid summing the effect of said X-ray beams in portions of said object outside of said X-ray concentration zone; transporting secondary radiation excited in said X-ray concentration zone to the multiple detectors via multiple paths using multiple corresponding transportation elements; determining the substance density of the object in a current point of the target area based on multiple intensity values of the secondary radiation obtained for the current point using the multiple detectors, the intensity values being determined concurrently with determining coordinates of the current point; scanning the target area by moving said X-ray concentration zone to a next point in the target area, the scanning being performed by providing relative movement of the X-ray sources, the concentration elements, the transportation elements and the detectors with respect to the object; and producing a density distribution picture for said target area based on determined intensity values for points being scanned in the target area and determined coordinates of the respective points.