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內滾筒微影製程技術 Inner cylindrical Photolithography

本實驗以創新的想法利用傳統的微影製程製作無縫的中空滾筒模仁,首先以一氣旋塗佈的方式在內滾輪表面塗佈光阻,接著以軟性光罩進行曲面步階式旋轉曝光。最後,可分別由PDMS澆鑄的方式或微電鑄的方式完成中空滾筒模仁。


This investigation a innovative approach for fabricating seamless hollow roller molds based on conventional photolithography. First of all, a mothod for spread coating of thin photo-layer on the hollow roller internal surface is developed. Secondly, a step -and-rotate UV-exposure system is construced for transforning patterns defined by photo-mask to the coated PR layer. Based on these two developments, seamless roller molds with fine and complicated surface features are obtained from either molding process (PDMS mold) or electroforming processes.