TSMC's 310mm push threatens Samsung's PLP lead

Samsung’s early lead in FOPLP faces a potential threat from TSMC’s 310mm platform, which could reshape the entire packaging supply chain, especially affecting material suppliers, equipment vendors, and OSATs. If TSMC successfully promotes its large-panel format, it will erode Samsung’s ecosystem dominance in AI and HPC. From a policy perspective, the U.S.-China tech decoupling intensifies supply chain localization pressures, forcing companies to reassess compliance costs and regional strategies. In market dynamics, Samsung may accelerate partnerships with local players to secure its ecosystem, while TSMC could leverage licensing or capital investments to expand influence. Over the next 12–24 months, the race to standardize packaging technologies will become a critical inflection point, determining which players control the core narrative of next-generation chip manufacturing.