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KMID : 1151820130070010045
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Journal of the Korean Society of Radiology
2013 Volume.7 No. 1 p.45 ~ p.50
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Measurement of Space Dose Distribution during Exposure Micro Computed Tomography (μ-CT) for Scattering Rays
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Jung Hong-Moon
Won Do-Yeon
Kwon Tae-Geon
Jung Jae-Eun
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Abstract
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Non-invasive technique CT, called automated computed tomography, is used to detect lesion of a patient when diagnosing human body. Information obtained from CT plays an important role in assembling 3 dimensional images. Recently, new equipment, operated by CT, is required which can be appliable to physical and biological research. In accordance to this quest, micro-CT is invented that produce more detail and concrete information. Images supplied by CT are even more detailed and concrete, so it contributes much to the development of biology and polymer material engineering field. However, there has been little reliable reports regarding measuring information of space dose distribution about exposure dose limit of users operating micro-CT. In addition, little reports regarding space dose distribution of exposure has been known about unwanted diffraction light produced by usage of micro-CT. The exterior of micro-CT is covered by lead, which is for removing exposure of diffraction light. Thus, even if it is good enough to prevent exposure of diffraction light, consistent management of equipment will be required as time goes by and equipment are getting old as well. We measured space dose distribution regarding exposure of diffraction light of users operating micro-CT directly. Therefore, we suggest that proper management should be necessary for users operating micro-CT not to be exposed by unwanted diffraction light.
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KEYWORD
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micro-CT, micro-CT space dose distribution, micro-CT operate exposure dose, micro-CT secondary exposure
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