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인쇄용 롤 제작을 위한 간접식 레이저 패터닝에 관한 연구
강희신(Heeshin Kang),노지환(Jiwhan Noh),서정(Jeong Suh) 한국레이저가공학회 2012 한국레이저가공학회지 Vol.15 No.4
On behalf of the existing semiconductor process, the electronic devices to low-cost mass production to mass print the way, the research for development of roll-to-roll printing process is actively underway. This study was performed in about the research on the manufacturing technology of the printing roll used in the printing process of electronic devices. The indirect laser imprinting technology was used to create printable roll, and after coating copper on the surface of steel and thereon after coating polymer, after removing the polymer on the surface of roll, the printable roll was made. The laser system and roll feeder system were constructed and control program was developed. We has found the optimal conditions to perform laser patterning experiments using a system developed and We can make the minimum line width of 18 ㎛.
강희신(Heeshin Kang),서정(Jeong Suh),김태현(Taehyun Kim) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
This paper describes the evaluation methods of welding qualities in manufacturing the laser welding parts for automobile body. A study of quality evaluation and monitoring technology for the remote laser welding was conducted. The remote laser welding and industrial robotic systems are used with robot-based laser welding systems. This paper proposes the quality monitoring system as a means of resolving the accuracy of conventional laser welding systems.