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    • 7. 发明授权
    • Detection apparatus for x-ray analysis, including semiconductor detectors having uncooled active areas
    • 用于x射线分析的检测装置,包括具有非冷却活性区域的半导体检测器
    • US07515684B2
    • 2009-04-07
    • US10858549
    • 2004-06-01
    • David M. GibsonJohn H. Burdett, Jr.Ian Radley
    • David M. GibsonJohn H. Burdett, Jr.Ian Radley
    • G01N23/223H05G1/64
    • H01J35/12G01N23/12G01N23/223G01N2223/076H01J2235/1295
    • A method and apparatus for analyzing fluids by means of x-ray fluorescence. The method and apparatus are applicable to any fluid, including liquids and gases, having at least one component that emits x-ray fluorescence when exposed to x-rays. The apparatus includes an x-ray source (82) including an x-ray tube (64) having improved heat dissipating properties due to the thermal coupling of the x-ray tube with a thermally-conductive, dielectric material (70, 1150). The x-ray tube also includes means for aligning (100, 2150, 2715) the x-ray tube with the x-ray source housing whereby the orientation of the x-ray beam produced by the x-ray source can be optimized, and stabilized various over operating conditions. The method and apparatus may also include an x-ray detector having a small-area, for example, a PIN-diode type semiconductor x-ray detector (120), that can provide effective x-ray detection at room temperature. One aspect of the disclosed invention is most amenable to the analysis of sulfur in petroleum-based fuels.
    • 一种通过X射线荧光分析流体的方法和装置。 该方法和装置适用于任何流体,包括液体和气体,其具有至少一种在暴露于X射线时发射x射线荧光的组分。 该装置包括由X射线管与导热介电材料(70,1150)的热耦合而具有改善的散热特性的x射线管(64)的X射线源(82)。 X射线管还包括用于将X射线管与X射线源壳体对准(100,2150,2715)的装置,由此可以优化由x射线源产生的x射线束的取向,以及 稳定了各种运行条件。 该方法和装置还可以包括具有小面积的X射线检测器,例如PIN二极管型半导体x射线检测器(120),其能够在室温下提供有效的x射线检测。 所公开的发明的一个方面最适于分析石油基燃料中的硫。