Abstract
Parallel-plate-type scanning detectors with metallic and resistive cathodes and strip anodes have been successfully used for medical imaging. In this study, we manufactured an X-ray image sensor that can be used to obtain scanning images, by using the plasma display panel (PDP) fabrication process. And we investigated the characteristics of linear scanning sensors that use gas-based detector modules. We evaluated the electric signal generated by the ionization of electrons and positive ions in the sensor for various gas mixtures — Xe (100), Xe/CO2 (90/10), and Xe/CO2 (80/20) — at atmospheric pressure. We also fabricated a data acquisition system (DAS) and acquired X-ray scanning images with our imaging system developed in this study.
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