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프로젝션 마이크로광조형 기술을 이용한 생분해성 마이크로구조물 제작
최재원(Jae Won Choi),하영명(Young Myoung Ha),박인백(In Baek Park),하창식(Chang Sik Ha),이석희(Seok Hee Lee) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.5
Microstereolithography technology has potential capability for fabrication of 3D microstructures. It evolved from conventional SLA which is one of the RP processes. In a microstereolithography process, 3D microstructures can be easily fabricated by continuously stacking 2D layer which is photopolymerized using a liquid prepolymer. Combination between biocompatible/biodegradable photocurable prepolymer and 3D complex fabrication in microstereolithography makes broad application areas such as medical, pharmaceutic, and bio devices. In particular, a 3D microneedle for transdermal drug delivery and a scaffold for tissue engineering are fabricated using this technology. In this paper, the authors address development of microstereolithography system adapted to large surface and fabrication of various microstructures. In addition, to apply human body we suggest a biodegradable 3D microneedle and a scaffold using biodegradable photocurable prepolymer.