Sang Seon Lee

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In this study, we developed a direct patterning system based on infinity-corrected optics for light-induced fabrication of hydrogel microstructures, while still visualizing the fabrication process in real time by integrating the objective lens and red LED system. The optical projection system for reducing the size of patterns from film mask to desired(More)
It is well recognized that structures designed by current codes undergo large inelastic deformations during major earthquakes. However, lateral force distributions given in the seismic design codes are typically based on results of elastic response studies. In this paper, current code lateral force distributions are reviewed in view of the results obtained(More)
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