KEYWORDS: X-rays, Signal to noise ratio, Sensors, X-ray detectors, X-ray imaging, Electrodes, Digital mammography, Medical imaging, Digital x-ray imaging, Imaging systems
In this paper, we investigated electrical characteristics of the X-ray detector of mercuric iodide (HgI2) film fabricated by PIB(Particle-In-Binder) Method with thicknesses ranging from approximately 200μm to 240μm. In the present study, using I-V measurements, their electrical properties such as leakage current, X-ray sensitivity, and signal-to-noise ratio (SNR),were investigated. The results of our study can be useful in the future design and optimization of direct active-matrix flat-panel detectors (AMFPD) for various digital X-ray imaging modalities.
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