Yin-Jen Chen was born in Taipei, Taiwan, on October 30, 1976. He received the B.S. and M.S. degrees in electronics engineering from the National Chiao Tung University, Hsinchu, Taiwan, in 1999 and 2001, respectively. Since 2001, he has been a Process Integration Engineer with Macronix International Company, Ltd., Hsinchu. From 2001 to 2003, he worked on process and device integration for floating-gate-type nor Flash. From 2004 to 2008, he worked on device and product characterization for nitride storage memory. Since 2009, he has been working on device and product characterization for floating-gate-type nand Flash.