TSMC Expands CoWoS While Tightening CoPoS Supply Controls

The report says TSMC is accelerating CoWoS advanced packaging expansion and developing the more demanding CoPoS technology to strengthen its position in AI semiconductors. Industry sources also say TSMC is requiring confidentiality and exclusivity-style controls from Taiwan-based equipment and materials partners to limit technology leakage and supply access after mass production begins. For RamTrend, this is relevant as AI packaging infrastructure context: CoWoS-class capacity remains closely tied to advanced AI accelerators that pair logic with high-bandwidth memory, so packaging expansion and supply-chain control can influence the pace at which HBM-based systems reach customers.