The use of x ray flat panel detector is beneficial to the improvement of image quality

Because different X-ray plate detectors distinguish different tissue densities or dense tissue densities in tissues, different plate detectors at different locations are beneficial to improve image quality in practical clinical operations.
In terms of imaging quality, there are two indexes to evaluate the performance of flat plate detectors: quantum detection efficiency and spatial resolution.
Among them, the quantum detection efficiency determines the X-ray plate detector’s ability to resolve the difference between different tissue densities, and the spatial resolution determines the X-ray plate detector’s ability to resolve the gap between fine structures in tissues.
Different types of X-ray plate detectors have different factors affecting quantum detection efficiency and spatial resolution.
The coating of transistors and scintillators that convert visible light into electrical signals can affect the efficiency of quantum detection, while the efficiency of quantum detection generated by direct-conversion X-ray plate detectors is related to the charge capacity of amorphous selenium layer.
The spatial resolution of the directly converted X-ray flat panel detector depends on the size of the unit area thin film transistor matrix, while in the indirect type flat panel detector, the size of the unit plane thin film transistor matrix affects the space.
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Author：肖恩