1. Micro/Nano Process Group Korea Institute of Industrial Technology (KITECH) Ansan 15588 Republic of Korea
2. Surface Technology Group Korea Institute of Industrial Technology (KITECH) Incheon 21999 Republic of Korea
3. Department of Mechanical Engineering Hanyang University Seoul 04763 Republic of Korea
4. Department of Mechanical Engineering State University of New York Stony Brook NY 11794 USA