[1] Korea Univ, Dept Mech Engn, Seoul, South Korea
[2] Korea Inst Ind Technol KITECH, Nanoscale Contaminat Control Lab, Kangnung, South Korea
[3] Sunglim PS Co, Seoul, South Korea
[4] Daehan PNC Co, Seoul, South Korea
[5] Shinsung ENG Co, Gwacheon Si, South Korea