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양극산화된 알루미늄과 마이크로 인덴테이션을 이용한 3 차원 마이크로-나노 하이브리드 패턴 제작
권종태(Jong Tae Kwon),신홍규(Hong Gue Shin),서영호(Young Ho Seo),김병희(Byeong Hee Kim) 대한기계학회 2007 大韓機械學會論文集A Vol.31 No.12
A simple method for the fabrication of 3D micro-nano hybrid patterns was presented. In conventional fabrication methods of the micro-nano hybrid patterns, micro-patterns were firstly fabricated and then nanopatterns were formatted on the micro-patterns. Moreover, these micro-nano hybrid patterns could be fabricated on the flat substrate. In this paper, we suggested the fabrication method of 3D micro-nano hybrid patterns using micro-indentation on the anodized aluminum substrate. Since diameter of the hemispherical nano-pattern can be controlled by electrolyte and applied voltage in the anodizing process, we can easily fabricated nano-patterns of diameter of 10㎚ to 300㎚. Nano-patterns were firstly formatted on the aluminum substrate, and then micro-patterns were fabricated by deforming the nano-patterned aluminum substrate. Hemispherical nano-patterns of diameter of 150㎚ were fabricated by anodizing process, and then micro-pyramid patterns of the side-length of 50㎛ were formatted on the nano-patterns using microindentation. Finally we successfully replicated 3D micro-nano hybrid patterns by hot-embossing process. 3D micro-nano hybrid patterns can be applied to nano-photonic device and nano-biochip application.