Affiliation: | (1) Micro-joining Lab., Institute of Intelligent System, Mechatronics Center, Samsung Electronics Co. Ltd., 442-742 Kyungki-Do, Korea;(2) School of Materials Science and Engineering, Seoul National University, Kwanak-ku, 151-744 Seoul, Korea;(3) Department of Materials Science and Engineering, University of Seoul, 130-743 Seoul, Korea |