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KMID : 0371619920080010139
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Journal of Wonkwang Medical Science
1992 Volume.8 No. 1 p.139 ~ p.144
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Characteristics of 6MV X-ray and 6MeV Electron Beam from ML-6M Linear Accelerator
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Abstract
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The beam characteristics and dosimetric measurements of the 6 MV X-ray and 6 MeV electron beam from a ML-6M linear accelerator are examined. The Percent Depth dose(PDD) bable and the Tissue Maximum Ratio(TMR) table are taken from measurement as a
function of the field size and the depth. The calculated TMR table from PDD table is compared with those from measurement. Other beam characteristics such as outpot factor, beam profile(including flatness, symmetry and penumbra), wedge, and the
variation of Dmax are presented. All of these dosimetric measurements sufficiently characterized the beam to permit safe clinical use.
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KEYWORD
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