Device for examining a body by means of penetrating radiation

H - Electricity – 05 – G

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358/11.1

H05G 1/00 (2006.01) A61B 6/02 (2006.01) A61B 6/06 (2006.01) G21K 1/02 (2006.01)

Patent

CA 1118538

PHD. 77-159. ABSTRACT: In the device according to the invention, a body is irradiated by a small cross sectional primary radiation beam. The scattered radiation produced thereby, being incident via a slit on a detector device consisting of a plurality of elongate detectors parallel to the slit and transverse to the beam, is a measures for the density distribution in the primary beam. However, this gives rise to multiple scattered radiation which disturbs the measuring result. The present invention provides a device in which this disturbance by multiple scattered radiation is greatly reduced, without there being any significant effect on the scattered radiation directly originating from the primary beam. To this end, a device in accordance with the invention is provided with pre- ferably flat laminations which are arranged between the primary beam and the detector device and which are situated, starting from the primary beam, in a fan of flat planes transverse to the slit. Contrary to a customary scattered radiation grating, the lamination device need not be moved during customary X-ray exposures. The laminations must be adapted to the substantially harder radiation.

317942

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