1. Memory Packaging Development Department, Kioxia Corporation, Yokkaichi, Mie, Japan
2. Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
3. Memory Packaging Engineering Department, Kioxia Corporation, Yokkaichi, Mie, Japan
4. Memory Packaging Development Department, Kioxia Corporation, Yokohama, Kanagawa, Japan
5. Joining and Welding Research Institute, Osaka University, Ibaraki, Osaka, Japan