1. Department of Semiconductor and Display Engineering Sungkyunkwan University Suwon Republic of Korea
2. Flash Process Architecture Team, Flash Development Team, Memory Business Samsung Electronics Company Pyeongtaek Republic of Korea
3. Department of Electrical and Computer Engineering Sungkyunkwan University (SKKU) Suwon Republic of Korea
4. SKKU Advanced Institute of Nanotechnology (SAINT) Sungkyunkwan University Suwon Republic of Korea