FIELD: physics, radiography.
SUBSTANCE: seeds are installed between source of X-ray radiation and image receiver, focus spot of X-ray radiation source is formed with size that does not exceed 0.01 mm (microfocus tube). Inherent blurriness of image receiver does not exceed 0.2 mm. It makes it possible to reduce effect at quality of X-ray image of screen component of image blurriness. Distance between seed and image receiver is defined as result of product of linear size of receiver sensitive area and distance from focus spot to seed divided into seed size.
EFFECT: provision of possibility to detect criteria of low quality grain, image specific sizes of which do not exceed 0,1 mm.
6 dwg
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