| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent an attachment part of an end of a top board from failure in a case that a phantom for an X-ray calibration grows in size and becomes a heavy load, and the phantom is attached to the end of the top board of an X-ray CT apparatus for the calibration of CT value. <P>SOLUTION: A phantom for X-ray calibration has a phantom body 15 and a balancing weight 17 connected to the phantom body 15, and the barycentric position of the connected phantom body 15 and the balancing weight 17 is arranged on a vertical line of an attachment point B in a case that these connected phantom body 15 and balancing weight 17 are mounted on the top board 2 of an X-ray CT apparatus. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
