| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve disadvantages that which part and what quantity a subject receives an exposure cannot be decided in accordance with a quantity of exposure of X-ray measured by a dosimeter of a front surface of a collimator, and since the size of the dosimeter directly attached to the subject is limited, all areas exposed to an X-ray cannot be measured and the dosimeter itself or a cable as its accessories is taken in an X-ray fluoroscopically recorded image. <P>SOLUTION: A mat type dosimeter 12 having a compact plastic scintillator dosimeter embedded in a matrix shape which is laid under the subject 9 is arranged immediately before an X-ray incident side of the subject 9 to measure the quantity of exposure of X-ray of the subject 9. <P>COPYRIGHT: (C)2012,JPO&INPIT |
