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The use of x-ray flat panel detectors is conducive to the improvement of image quality

Since different x-ray flat-panel detectors distinguish different tissue densities or densities of dense tissues in the tissue, in actual clinical operations, using different x-ray flat-panel detectors at different positions is beneficial to improve image quality.
In terms of imaging quality, there are two performance indicators for evaluating x-ray flat-panel detectors: quantum detection efficiency and spatial resolution. Among them, the quantum detection efficiency determines the resolution ability of the x-ray flat panel detector to the density difference of different tissues, and the spatial resolution determines the resolution ability of the x-ray flat panel detector to the microstructure gap in the tissue.
Different types of x-ray flat panel detectors have different factors that affect quantum detection efficiency and spatial resolution. Indirect conversion flat panel detectors, the coating of transistors and scintillators that convert visible light into electrical signals can affect its quantum detection efficiency, while in direct conversion X-ray flat panel detectors, the generated quantum detection efficiency is related to the charge capacity of the amorphous selenium layer . The spatial resolution of the direct conversion x-ray flat panel detector depends on the size of the thin film transistor matrix per unit area, while in the indirect x-ray flat panel detector, the size of the unit plane thin film transistor matrix affects the space.

x-ray flat panel detectors

Author:Lillian

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