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KMID : 1151820150090060363
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Journal of the Korean Society of Radiology
2015 Volume.9 No. 6 p.363 ~ p.367
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Structural Design of Digital Radiography Detector using Hybrid Method for the Improvement of Response Property by X-ray
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Kim Kyo-Tae
Han Moo-Jae
Kim Jin-Seon
Heo Ye-Ji
Oh Kyung-Min
Park Ji-Koon
Nam Sang-Hee
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Abstract
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Digital radiography is divided into the direct method using photoconductor and indirect method using phosphor based on the principles in acquiring the image information, but both have different advantages and disadvantages. Therefore, this study conducted a preliminary research on the structure of the hybrid detector that combined phosphor and photoconductor to improve the sensitivity of X-ray. As a result, when the tube voltage was adjusted at 30ms of exposure time, the direct structure displayed an overall excellent sensitivity, but at the exposure time of 50ms or more, the hybrid structure displayed a better outcome. This seems to have enough research value considering that various clinical examinations usually include 50ms or more exposure time.
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KEYWORD
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Digital radiation detector, Structural design, Hybrid, Photoconductor layer, Phosphor layer
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