Wei-Chuan Chen was born in Taipei, Taiwan, R.O.C., in 1974. He received the Ph.D. degree in magnetic material from the Department of Material Science and Engineering, National Tsing-Hua University, Hsinchu, Taiwan, R.O.C., in 2003. In 2004, he joined the Electronics Research and Service Organization (ERSO), Industrial Technology Research Institute (ITRI), Hsinchu, Taiwan, R.O.C., mainly focusing on the etching process and MTJ films for MRAM. He is currently an Engineer at the Department of Non-Volatile Memory Technology, ERSO/ITRI.