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Hole based CMOS active pixel sensor for medical x-ray imaging

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5 Author(s)
Hoon Jang ; CIS Division, Dongbu Hitek Co., Ltd, 474-1 Sangwoo-Ri, Gamgok-Myeon, Eumseong-Gun, Chungbuk, 369-852, Korea ; So Eun Park ; Sun Jae Hwang ; Chee Hong Choi
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This paper presents a CMOS active pixel, wafer-scale imager for high resolution x-ray detector primarily intended for medical imaging. The detector system is based on indirect way of detection via a scintillator. In this paper, we established a low capacitance, low dark current and highly reliable pixel as a key item of CMOS x-ray detector and determined the best approach to the pixel structure is the hole based (pMOS) pixel scheme with special device technology.

Published in:

Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2011 IEEE

Date of Conference:

23-29 Oct. 2011