11:45 AM - 12:00 PM
*Purwadi Purwadi1,2, Yukihiro Takahashi1, Kozo Yamashita3, Mitsuteru Sato1 (1.Department of Cosmosciences, Hokkaido University, Sapporo 0600810, Japan, 2.Agency for Assessment and Application of Technology, Jakarta 10340, Indonesia, 3.Department of Technology, Ashikaga Institute of Technology, Tochigi 3268558, Japan)