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    • 9. 发明授权
    • X-ray fluorescence analyzer
    • X射线荧光分析仪
    • US09188553B2
    • 2015-11-17
    • US14222778
    • 2014-03-24
    • Hitachi High-Tech Science Corporation
    • Masahiro SakutaKiyoshi HasegawaYoshiki Matoba
    • G01N21/64G01N23/223
    • G01N23/223G01N2223/317G01N2223/652
    • An X-ray fluorescence analyzer includes a sample stage having an opening at an X-ray irradiation position, an X-ray source which irradiates a sample placed on the opening with a primary X-ray from below, a detector which detects an X-ray fluorescence generated from the sample, a transparent drop prevention plate supported to be advanced and retracted immediately below the opening, a drive mechanism which advances and retracts the drop prevention plate, an observation camera which observes the drop prevention plate positioned immediately below the opening, and an operation unit which processes an image of the drop prevention plate which is captured by the observation camera. The operation unit detects a foreign matter on the drop prevention plate based on an image difference between images before and after the drive mechanism moves or vibrates the drop prevention plate within an observation range of the observation camera.
    • 一种X射线荧光分析装置,其具有在X射线照射位置具有开口的样品台,将来自下方的主X射线照射在开口上的样品的X射线源,检测器, 从样品产生的射线荧光,支撑在开口正下方前进和后退的透明防滴板,使防滴板前进和后退的驱动机构,观察位于开口正下方的防滴板的观察照相机, 以及操作单元,其处理由观察摄像机捕获的防滴板的图像。 操作单元基于在驱动机构移动之前和之后的图像之间的图像差异来检测防滴落板上的异物,或者在观察相机的观察范围内使防滴板振动。