1. School of Electronics and Information Engineering, Korea Aerospace University, Goyang, 10540, Republic of Korea
2. Plasma Technology Research Center, National Fusion Research Institute, Gunsan, 54004, Republic of Korea
3. School of Advanced Materials Science and Engineering, SungKyunKwan University, Suwon, 16419, Republic of Korea
4. Department of Materials Engineering, Korea Aerospace University, Goyang, 10540, Republic of Korea
5. Keisoku Engineering System Co., Ltd., Chiyoda, Tokyo, 101-0047, Japan