Woofun AI reports that Samsung Electronics has filed a new patent addressing reliability issues in high-stacked memory modules with 12 or more layers. The invention modifies the top-level dummy die structure to feature a three-stage step with a convex curved surface, utilizing deep groove sawing to mitigate warpage, cracks, and delamination while enhancing thermal management and bonding interface cleanliness. This technical advancement is designed for HBM5 and other 16-layer-plus products, intended to significantly improve manufacturing yield and long-term stability to strengthen Samsung's position in the AI high-bandwidth memory sector.