Hyunsik Kim, Sang-Wook Han, Junhyeok Yang, Sung-il Kim, Young Kim, Sangwook Kim, D. Yoon, Jun Su Lee, Jae-Chul Park, Y. Sung, Seong-Deok Lee, S. Ryu, G. Cho
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A sampling-based 128×128 direct photon-counting X-ray image sensor with 3 energy bins and spatial resolution of 60μm/pixel
The photon-counting method is one of several useful image-detection methods for digital X-ray imaging. The direct-type photon-counting method has higher X-ray-to-charge conversion efficiency and position resolution compared with the indirect-type detection method. Therefore, direct-type detection is more suitable for medical imaging applications for which the dose efficiency and the image quality are especially important.
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