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KMID : 1151820140080060333
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Journal of the Korean Society of Radiology
2014 Volume.8 No. 6 p.333 ~ p.338
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The Study on Design of Customized Radiation Protective Layer for Medical Radiation Dose Reduction
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Kang Sang-Sik
Kim Kyo-Tae
Noh Si-Cheol
Joeng Bong-Jae
Park Ji-Koon
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Abstract
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The fact is that in addition to an increase in social needs that must be managed systematically unnecessary exposure in the field of medical Recent important that the shield has emerged. However, products that are now in practical use, are not subdivided as compared to various medical radiology. Therefore, in the present study, we tried to present with the help of Monte Carlo simulation the structure of the shielding material that has been optimized. Simulated estimation result, the energy of the mammography for (30 kVp) spectrum, check the shielding rate of 90% or more 30μmPb, at 2 mmAl case of shielding material of a single, at design time of 1 mmAl and 0.03 mmPb a double shield structure it is determined that more efficient. Also, check the blocking rate of 90% or more 340μmPb, at 30 mmAl energy captured general in (80 kVp) spectra, it is considered that a double shield structure, design 1 mmAl and 0.3 mmPb is useful. These results, be used as basic material for the development of commercialization customized products for dose reduction is expected.
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KEYWORD
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Monte Carlo Simulation, Double-shielded structure, Lead, Aluminium, Shielding rate
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