1. Department of Electrical and Electronic Engineering, School of Engineering, Tokyo Institute of Technology 1 , 2-12-1-N1-10 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
2. Institute of Advanced Technology, ULVAC, Inc. 2 , 1220-1 Suyama, Susono-shi, Shizuoka 410-1231, Japan
3. Strategic Planning Department, ULVAC, Inc. 3 , 2500 Hagisono, Chigasaki-shi, Kanagawa 253-8543, Japan
4. Safety and Radiation Management Division, Open Facility Center, Tokyo Institute of Technology 4 , 2-12-1-N1-10 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
5. Laboratory for Zero-Carbon Energy, Institute of Innovative Research, Tokyo Institute of Technology 5 , 2-12-1-N1-10 Ookayama, Meguro-ku, Tokyo 152-8550, Japan