디지털마이크로미러 소자를 이용한 마이크로광조형 기술개발

Microstereolithography using a digital micromirror device as a dynamic pattern generator

In order to increase productivity in conventional stereolithography. Microstereolithography using a digital micramirror device $(DMD^{TM})$ as a dynamic patter generator is proposed The deviation from a level of clear optical images to a level of a photopolymer surface is a key for the fabrication of an accurate 3D structure. so this deviation is minimized by controlling the viscosity of FA1260T with organic solvents. After finding the appropriate process valuables (exposure time of optical images. layer thickness of each layer). the feasibility of microstructures such as a microgear and a microsphere is then demonstrated. Microstereolithography wi th $DMD^{TM}$ might eventually replace conventional laser induced microstereolithography market such as in the manufacturing of jewels and medical parts.