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An instrument for operational roughness control of large-area ultrasmooth surfaces by X-ray scanning reflectometry

机译:一种通过X射线扫描反射仪控制大面积超光滑表面的粗糙度的仪器

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摘要

An instrument for two-dimensional imaging of the spatial roughness distribution of a flat surface with a root-mean-square roughness of the order of one nanometer (nanoroughness) is described. The instrument is based on the use of the relationship between the reflectivity and the roughness of an ultrasmooth surface in the x-ray wavelength range. The main components of the instrument are a high-precision linear mechanical scanner, an x-ray collimator, and a temperature-controlled cooled detector (linear photodiode array) with a quantum sensitivity at the wavelength of CuK{sub}α-radiation.
机译:描述了一种用于对平面表面的空间粗糙度分布进行二维成像的仪器,其均方根粗糙度约为1纳米(纳米粗糙度)。该仪器基于在X射线波长范围内反射率和超光滑表面粗糙度之间的关系。该仪器的主要组件是高精度线性机械扫描仪,X射线准直仪和温度控制的冷探测器(线性光电二极管阵列),在CuK {sub}α辐射的波长处具有量子灵敏度。

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