Simulation study of plasma display panel with GMD structure for x-ray imaging detector

Hakjae Lee; Eungi Min; Kisung Lee; Sangheum Eom; Hanho Park; Jungwon Kang

doi:10.1109/NSSMIC.2012.6551736

Simulation study of plasma display panel with GMD structure for x-ray imaging detector

Hakjae Lee, Eungi Min, Kisung Lee, Sangheum Eom, Hanho Park, Jungwon Kang

Department of Bio-convergence Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

Screen-film based radiography has been rapidly substituted by digital radiography(DR), recently. Generally, thin-film-transistor(TFT) with amorphous silicon(a-Si) or amorphous selenium(a-Se) have been used for DR x-ray imaging systems. Another flat panel display method, plasma display panel (PDP) has a similar structure to conventional gas type radiation detectors and can be manufactured with lower cost than TFT-based detector panels. The motivation of this study is to develop cost effective DR detector using PDP. In order to apply PDP technologies into gaseous detector for x-ray imaging, we modified the pixel structure and optimized the materials inside of the PDP panel. To maximize the signal intensity, we re-designed the panel structure based on gas microstrip detector(GMD) and estimated the performance of proposed detector using Monte-Carlo simulation method. Signal intensity of gaseous detector is determined by the amount of ionization and avalanche effect. Each process has been simulated by Geant4 and Garfield, respectively. Four types of gas mixtures and various electric fields have been explored. The results show that more Xe portion helps to create more ionization electrons and electric field which has been applied between anode and cathode strips was dominant factor for avalanche. In this study, we adopted the GMD structure into plasma display panel based x-ray detector. Also, we verified the effectiveness of proposed structure, quantitatively.

Original language	English
Title of host publication	IEEE Nuclear Science Symposium Conference Record
Pages	3223-3227
Number of pages	5
DOIs	https://doi.org/10.1109/NSSMIC.2012.6551736
Publication status	Published - 2012 Dec 1
Event	2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012 - Anaheim, CA, United States Duration: 2012 Oct 29 → 2012 Nov 3

Other

Other	2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012
Country	United States
City	Anaheim, CA
Period	12/10/29 → 12/11/3

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Radiology Nuclear Medicine and imaging

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Lee, H., Min, E., Lee, K., Eom, S., Park, H., & Kang, J. (2012). Simulation study of plasma display panel with GMD structure for x-ray imaging detector. In IEEE Nuclear Science Symposium Conference Record (pp. 3223-3227). [6551736] https://doi.org/10.1109/NSSMIC.2012.6551736

Lee, H, Min, E, Lee, K, Eom, S, Park, H & Kang, J 2012, Simulation study of plasma display panel with GMD structure for x-ray imaging detector. in IEEE Nuclear Science Symposium Conference Record., 6551736, pp. 3223-3227, 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012, Anaheim, CA, United States, 12/10/29. https://doi.org/10.1109/NSSMIC.2012.6551736

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