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DARK FIELD TENSOR TOMOGRAPHY METHOD, SPECIMEN HOLDER AND DEVICE

  • US 20190331616A1
  • Filed: 11/28/2017
  • Published: 10/31/2019
  • Est. Priority Date: 11/30/2016
  • Status: Active Grant
First Claim
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1. An X-ray CT method and in particular a registration-based dark-field tensor tomography method for testing a sample (60) by means of X-rays, whereina sample (60) is consecutively scanned by means of X-rays in at least two fixed orientations differing from one another while rotating about a fixed rotation axis,in every orientation of the sample (60) on the basis of dark-field signals a plurality of scatter data sets is recorded, andthe scatter data sets for different orientations are matched to one another by registration and combined into a common scatter data set reflecting a possible angular dependence of the scatter present due to the sample (60).

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