首页> 外文期刊>Journal of Applied Crystallography >High-precision spin coater for a synchrotron radiation in situ GISAXS system: For the investigation of formation mechanisms of self-assembled structures in polymer thin films
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High-precision spin coater for a synchrotron radiation in situ GISAXS system: For the investigation of formation mechanisms of self-assembled structures in polymer thin films

机译:同步辐射原位GISAXS系统的高精度旋涂机:用于研究聚合物薄膜中自组装结构的形成机理

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摘要

A high-precision spin-coater system has been developed for the investigation of formation mechanisms of self-assembled structures in polymer thin films. The spin coater was designed to have small axial deflection (<2.6μm at the maximum speed of 2000rmin~(-1)) during rotation in order to maintain the relative position with respect to the incident X-ray beam, and to be compact (70mm) in height to facilitate incorporation into an in situ synchrotron radiation grazing-incidence small-angle X-ray scattering (GISAXS) system. The first results of simultaneous measurements on the morphology and film thickness of a triblock copolymer with time resolution of 64ms during thin-film formation at 2000rmin-1 provide indispensable information for understanding the vertically grown lamellar structure on the film surface.
机译:为了研究聚合物薄膜中自组装结构的形成机理,已经开发了一种高精度的旋涂机系统。旋涂机设计为在旋转过程中具有较小的轴向挠度(在2000rmin〜(-1)的最大速度下小于2.6μm),以保持相对于入射X射线束的相对位置,并且结构紧凑(高度为70mm),以利于并入原位同步辐射辐射掠入射小角X射线散射(GISAXS)系统。在2000rmin-1的薄膜形成过程中同时测量时间为64ms的三嵌段共聚物的形态和薄膜厚度的同时测量的最初结果为理解薄膜表面上垂直生长的层状结构提供了必不可少的信息。

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