Dr. Yu-Lin Wang received his B.S. degree in chemistry from Tunghai University and M.S. degree from National Taiwan University, in 1993 and 1995, respectively. He had worked in semiconductor industry from 1997~2006. He received his Ph.D. in materials science and engineering from University of Florida, in 2009. He has been with the Institute of NanoEngineering and Microsystems, Department of Power Mechanical Engineering, at NTHU since 2010.