A sampling-based 128×128 direct photon-counting X-ray image sensor with 3 energy bins and spatial resolution of 60μm/pixel. - Hyunsik Kim; Sang-Wook Han; Junhyeok Yang; Sung-il Kim; Young Kim; Sangwook Kim; Dae-Kun Yoon; Jun Su Lee; Jae-Chul Park; Younghun Sung; Seong-Deok Lee; Seung-Tak Ryu; et al. (ISSCC, 2012)

An Asynchronous Sampling-Based 128x128 Direct Photon-Counting X-Ray Image Detector with Multi-Energy Discrimination and High Spatial Resolution. - Hyunsik Kim; Sang-Wook Han; Junhyeok Yang; Sung-il Kim; Young Kim; Sangwook Kim; Dae-Kun Yoon; Jun Su Lee; Jae-Chul Park; Younghun Sung; Seong-Deok Lee; Seung-Tak Ryu; et al. (IEEE J. Solid State Circuits, 2013)