電漿輔助原子層沉積法鍍製抗反射膜於微型塑膠透鏡;Plasma Enhanced Atomic Layer Deposition of Antireflection coatings on Micro plastic lens

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题名:	電漿輔助原子層沉積法鍍製抗反射膜於微型塑膠透鏡;Plasma Enhanced Atomic Layer Deposition of Antireflection coatings on Micro plastic lens
作者:	劉子凡;Liu, Tzu-Fan
贡献者:	光電科學與工程學系
关键词:	電漿輔助原子沉積;抗反射膜;Plasma Enhanced Atomic Layer Deposition;Antireflection coating
日期:	2020-08-20
上传时间:	2020-09-02 15:46:16 (UTC+8)
出版者:	國立中央大學
摘要:	近年來半導體產業的快速發展對線寬的要求越來越小，原子層沉積技術因具有極佳的均勻性和保形性，隨即快速發展，應用領域也越來越廣泛。在光學方面的應用，隨著光學設計架構越來越複雜，出現了越來越多的自由曲面或是微結構的透鏡，來取代光學元件的件數，而這些微結構的光學元件在製造時使用成本較低的塑膠(如 PMMA、PC、Zeonex) 替代玻璃。本實驗使用電漿輔助原子層沉積法鍍製，探討了單層膜在 60℃製程下折射率與消光係數在不同功率和時間下的趨勢，也分析前驅物在 60℃製程下的反應性，並使用 X 射線光電子能譜儀分析薄膜中殘留的碳、氮比例，推測其雜質是否影響光學性質。將不同參數的抗反射膜鍍製於塑膠基板上測試其附著性與是否膜裂，最後鍍製於微型塑膠透鏡上，並使用顯微鏡光譜儀量測透鏡各點在波段 420nm 到 680nm 抗反射光譜圖及均勻性，平均反射率約為 0.78%。;In recent years, due to the rapid development of the semiconductor industry, the requirements for line width have become lesser. Atomic Layer Deposition technology developed rapidly because of its excellent uniformity and shape retention. In optical applications, as the optical design structure becomes more complex, more Freeform surface or structured lenses have appeared to replace of optical components. In order to reduce costs during manufacturing, plastic substrates (such as PMMA, PC, Zeonex) are used instead of glass. In this experiment, plasma-enhanced atomic layer deposition method was used. The trend of refractive index and extinction coefficient of single-layer film under 60℃ process with different power and process time was discussed. The reactivity of the precursors at 60℃ was also analyzed. The use of XPS to analyze the residual carbon and nitrogen ratio in the film to infer whether its impurities affect the optical properties. The anti-reflection (AR) coating with different parameters is deposited on the plastic substrates to test its adhesion and film cracking. Finally, the AR film coated on the micro plastic lens is used to measure the anti-reflection spectrum and uniformity of each point of the lens in the wavelength range of 420 nm to 680 nm with an optical microscope spectrometer. The average reflectance is about 0.78%.
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