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    • 1. 发明申请
    • OPTICAL FILTER FOR A QUASI-MONOCHROMATIC X-RAY AND MULTI-ENERGY X-RAY IMAGING SYSTEM WITH THE QUASI-MONOCHROMATIC X-RAY
    • 准单色X-射线和多能X射线成像系统的准单色X-射线滤光片
    • WO2009017348A2
    • 2009-02-05
    • PCT/KR2008/004398
    • 2008-07-28
    • HANWHA L & C CORP.PARK, Young SeiHAN, Se JinCHAE, Jang YoolKIM, Chang Kyu
    • PARK, Young SeiHAN, Se JinCHAE, Jang YoolKIM, Chang Kyu
    • A61B6/00
    • A61B6/4035A61B6/4092A61B6/482
    • A quasi-monochromatic x-ray optical filter according to the present invention is a device for filtering a polychromatic x-ray to obtain a quasi-monochromatic x-ray having a specific energy band. The quasi-monochromatic x-ray optical filter includes a plurality of reflecting mirrors on which respective multi-layer films for selectively reflecting x-rays based on Bragg's law are deposited, a reflecting mirror chamber for fastening the reflecting mirrors in a specific geometrical arrangement, and an alignment mechanism for aligning the chamber in a commercial x-ray generation device. Since a quasi-monochromatic x-ray multi-energy imaging system using the optical filter can clearly distinguish the spectrum regions of multi-energy from each other using a quasi-monochromatic x-ray having multi-energy, clear images can be acquired even after a small exposure in the case where adjustment is performed to use an optimal energy value.
    • 根据本发明的准单色x射线光学滤波器是用于对多色x射线进行滤波以获得具有特定能带的准单色x射线的设备。 准单色X射线光学滤波器包括:多个反射镜,其上沉积有用于选择性地反射基于布拉格定律的X射线的多层膜;反射镜室,用于将反射镜紧固成特定的几何布置; 以及用于在商用X射线发生装置中对准该室的对准机构。 由于使用光学滤波器的准单色X射线多能量成像系统可以使用具有多能量的准单色X射线来清楚地区分多能量的光谱区域,所以即使在使用具有多能量的准单色X射线之后也可以获得清晰的图像 在执行调整以使用最佳能量值的情况下的小曝光。