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    • 4. 发明专利
    • Radiation tomosynthesis photographing apparatus
    • 辐射TOMOSYNTHESIS摄影装置
    • JP2010075620A
    • 2010-04-08
    • JP2008250276
    • 2008-09-29
    • Fujifilm Corp富士フイルム株式会社
    • TAKAHASHI KENJI
    • A61B6/02G01N23/04
    • G01N23/046A61B6/025A61B6/06A61B6/4291A61B6/484G01N2223/3302G01N2223/419G01N2223/612
    • PROBLEM TO BE SOLVED: To eliminate the influence of a scattered radiation, and also to enhance the availability of radiation sources in a radiation tomosynthesis photographing apparatus. SOLUTION: The radiation tomosynthesis photographing apparatus includes a radiation irradiating part 1 which has multiple radiation sources 1a for emitting the radiation toward a subject, and where the multiple radiation sources are arranged by distribution, so as to allow the radiation emitted from the respective radiation sources 1a and transmitting the subject to form a portion of the projection image of the subject. The respective radiation sources 1a are the ones which emit a fan beam radiation, and where the surfaces with the larger spread angle of the fan beam are crossed with the arrayal direction of the multiple radiation sources 1a and are mutually aligned in parallel. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:消除散射辐射的影响,并且还可以增强辐射断层摄影装置中的辐射源的可用性。 解决方案:辐射断层摄影装置包括:辐射照射部分1,其具有用于向被摄体发射辐射的多个辐射源1a,并且其中多个辐射源通过分布布置,以便允许从 各个辐射源1a并且传送被摄体以形成被摄体的投影图像的一部分。 各个辐射源1a是发射扇形束辐射的辐射源,并且其中具有较大扩散角的扇形光束的表面与多个辐射源1a的阵列方向交叉并且彼此平行地对准。 版权所有(C)2010,JPO&INPIT