| 摘要 |
PROBLEM TO BE SOLVED: To implement various measures against the problem that it is difficult to properly determine a distance between a two-dimensional detector and a radiation generating source in a rotary CT unattended with a spiral. SOLUTION: This radiation CT imaging apparatus comprises the radiation generating source (101) for irradiating a subject with radiation, a rotating means (102) for rotating a human body in the radiation, and the two-dimensional detector (105) for detecting the radiation, and a distance from the focus of the radiation to the two-dimensional detector (105) is approximately 200 cm or more. COPYRIGHT: (C)2006,JPO&NCIPI
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