[A comparative analysis of schemes of the coordinate scale of present-day computerized x-ray tomographs]

A scheme-technical, computational and experimental analysis has been made of different schemes of the coordinate scale of modern computer-aided x-ray tomographs. The authors provide evidence for the concept with the following subdivision: (a) the coordinate scale is divided by a closed ring rule with an insignificant number of bench mark holes; (b) an electronic device which divides the distance between the holes of the rule according to the required number of small-sized samples. The schemes of the indicated concept implementation permit choosing an adequate decision for the scanning systems with different arrangements and parameters.