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    • 2. 发明申请
    • PRIMARY COLLIMATOR AND SYSTEMS FOR X-RAY DIFFRACTION IMAGING, AND METHOD FOR FABRICATING A PRIMARY COLLIMATOR
    • 用于X射线衍射成像的主要收缩器和系统,以及用于制造主要收缩机的方法
    • WO2010065460A2
    • 2010-06-10
    • PCT/US2009/066115
    • 2009-11-30
    • MORPHO DETECTION, INC.HARDING, GeoffreySTRECKER, Helmut RudolfDELFS, Johannes
    • HARDING, GeoffreySTRECKER, Helmut RudolfDELFS, Johannes
    • G21K1/02
    • G21K1/025G01V5/00
    • A primary collimator for a multiple inverse fan beam x-ray diffraction imaging (MIFB XDI) system. The MIFB XDI system includes a multi-focus x-ray source (MFXS) defining a plurality of focus points arranged along a length of the MFXS. Each focus point is sequentially activated to emit an x-ray fan beam including a plurality of primary beams each directed to a corresponding convergence point. The primary collimator includes a first diaphragm configured to be positioned with respect to the MFXS. The first diaphragm defines a plurality of first channels through a thickness of the first diaphragm. Each first channel is aligned with a corresponding focus point and configured to transmit the x-ray fan beam. A second diaphragm is positioned with respect to the first diaphragm and defines a plurality of second channels through a thickness of the second diaphragm. Each second channel is axially aligned with a corresponding first channel.
    • 用于多反向风扇束x射线衍射成像(MIFB XDI)系统的主准直器。 MIFB XDI系统包括定义沿着MFXS的长度布置的多个聚焦点的多焦点X射线源(MFXS)。 顺序地激活每个对焦点以发射包括多个主光束的x射线扇形束,每个主光束指向相应的会聚点。 主准直器包括构造成相对于MFXS定位的第一隔膜。 第一隔膜通过第一隔膜的厚度限定多个第一通道。 每个第一通道与对应的焦点对准,并且被配置成透射x射线扇形束。 第二隔膜相对于第一隔膜定位,并且通过第二隔膜的厚度限定多个第二通道。 每个第二通道与对应的第一通道轴向对准。