| 摘要 |
PROBLEM TO BE SOLVED: To reduce the influence of scattered radiation in multi-tube type X-ray computed tomography apparatus. SOLUTION: This X-ray computed tomography apparatus is provided with a plurality of X-ray tubes 12, 22 and 32, a plurality of X-ray detectors 13, 23 and 33 corresponding to the plurality of X-ray tubes respectively, a plurality of high voltage generating sections 11, 21 and 31 corresponding to the plurality of X-ray tubes respectively, a plurality of data collecting sections 14, 24 and 34 corresponding to the plurality of X-ray tubes respectively, an approximately annular frame freely rotatably provided and mounting the plurality of X-ray tubes, the plurality of X-ray detectors, the plurality of high voltage generating sections and the plurality of data collecting sections, and a scan control section 47 controlling the plurality of high voltage generating sections to generate pulse X-ray from the plurality of X-ray tubes sequentially shifted by approximatelyτ/n (τ; pulse duration and n; positive real number). COPYRIGHT: (C)2005,JPO&NCIPI
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