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355nm UV 레이저를 이용한 마이크로 렌즈 어레이 제작 및 몰드 제작
제순규(Soonkyu Je),오재용(Jaeyong Oh),김광렬(Kwangryul Kim),박상후(Sanghoo Park),신보성(Bosung Shin) 한국레이저가공학회 2008 한국레이저가공학회 학술대회 논문집 Vol.2008 No.-
Micro lens array (MLA) is widely used in information technology (IT) industry fields, for examples such as a projection display, an optical power regulator, a micro mass spectrometer and for medical appliances. Recently, MLA have been fabricated and developed by using a reflow method, micro etching, electroplating, micromachining and laser local heating. Laser local thermal-expansion (LLTE) technology demonstrates the formation of microdots on the surface of several polymer substrate, in this paper. We have also investigated the new direct fabrication method of placing the MLA on the surface of nagative photoresist layer. We have obtained the 3D shape of the micro lens processed by UV laser irradiation and have experimentally verified the optimal process conditions. And we have finally fabricated MLA mold with nickel.
롤 임프린트 리소그래피 공정을 이용한 유연 기판 상의 마이크로 패턴 제작에 관한 연구
심종명(Jongmyeong Shim),제순규(Soonkyu Je),한정진(Jungjin Han),강신일(Shinill Kang) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
A method using a roll imprint lithography is proposed to fabricate conductive patterns and tracks on large area flexible substrate with low cost. Conductive indium tin oxide(ITO) patterns and tracks with line widths of 2~20㎛ were formed using the roll imprint lithography process. The geometrical and electrical properties of fabricated conductive ITO patterns and tracks were measured and analyzed.
355nm UV 레이저를 이용한 마이크로 렌즈 어레이 쾌속 제작
제순규,박강수,오재용,김광렬,박상후,고정상,신보성 한국레이저가공학회 2008 한국레이저가공학회지 Vol.11 No.2
Micro lens array (MLA) is widely used in information technology (IT) industry fields, for examples such as a projection display, an optical power regulator, a micro mass spectrometer and for medical appliances. Recently, MLA have been fabricated and developed by using a reflow method, micro etching, electroplating, micromachining and laser local heating. Laser local thermal-expansion (LLTE) technology demonstrates the formation of microdots on the surface of polymer substrate, in this paper. We have also investigated the new direct fabrication method of placing the MLA on the surface of a SU-8 photoresist layer. We have obtained the 3D shape of the micro lens processed by UV laser irradiation and have experimentally verified the optimal process conditions.