Multi-element x-ray radiation detector, rare earth x-ray luminophore therefor, and method for forming a multi-element scintillator and detector as a whole
An X-ray, multi-element technology, used in X-ray engineering and medical diagnosis, which can solve the problems of discontinuous imaging area, narrow energy operating range, insufficient medical detection, etc.
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[0065] The physical properties of the proposed matrix detector based on a metal grid filled with X-ray luminescent material will now be further briefly described. As demonstrated in previous optical tests, the metal grid divides the solid layer of luminescent material into a mosaic multi-element pattern and significantly improves the contrast of detector imaging (1.5-2 times).
[0066] The indicated features are achieved by an X-ray detector having an X-ray sensitive layer with a mosaic pattern of grids made of metals with atomic numbers 24 to 74 shaped in a layer of X-ray luminescent material.
[0067] Consider the physical process of the device. A full-width beam of X-ray radiation reaches its front surface. The beam is emitted by a vacuum X-ray tube with alternating anode voltage U=60keV to 125keV and a working pair cathode made of molybdenum. X-ray radiation emitted as the electron beam decelerates escapes the tube through a vacuum-tight window shielded by beryllium foil...
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