1. PKG S-CAE SK Hynix Icheon 17336 Republic of Korea
2. Department of Materials Engineering and Convergence Technology Center for K-metals Gyeongsang National University Jinju 52828 Republic of Korea
3. Department of Aluminum Korea Institute of Materials Science Changwon 51508 Republic of Korea
4. Division of Mechanic Smart Industrial Engineering (Mechanical Engineering major) Gachon University Gyeonggi-do 13120 Republic of Korea
5. Department of Materials Science and Engineering Kookmin University Seoul 02707 Republic of Korea