Characteristics of a Micro-pattern Gas Detector with Pixel Read-out for X-ray Imaging

被引：0

作者：

Lee, Dong Hoon ^{[1
]}

Kim, Bonghoe ^{[2
]}

Jeon, Sungchae ^{[2
]}

Shin, Ki Young ^{[2
]}

Cha, Bokyung ^{[2
]}

Seo, Changwoo ^{[2
]}

Kim, Yongkyun ^{[3
]}

机构：

[1] Korea Atom Energy Res Inst, Taejon 305353, South Korea

[2] Korea Electrotechnol Res Inst, Ansan 426170, South Korea

[3] Hanyang Univ, Dept Nucl Engn, Seoul 133179, South Korea

来源：

JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2011年 / 59卷 / 06期

关键词：

Micro-pattern gas detector; GEM; X-ray imaging;

D O I：

10.3938/jkps.59.3666

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A micro-pattern gas detector (MPGD) with a pixel read out was evaluated for X-ray imaging. Our MPGD has one gas electron multiplier (GEM) with an active area of 5 x 5 cm(2) as a charge amplifying stage that is completely decoupled from the readout electrode, and we have used an advanced printed-circuit board (PCB) technique to fabricate the micro-pattern readout. A test chamber was fabricated for our experiment, and all components of our MPGD were assembled in a test chamber filled gas. We studied the charge signal by X-ray used for a medical diagnostic system in the pixel readout with a gas mixtures of Xe (90%)/CO(2) (10%) and the performance of our MPGD was examined with an X-ray energy and various applied voltages of the GEM and the drift plate.

引用

页码：3666 / 3669

页数：4

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