TSMC Bets on Glass Interposer CoPoS Technology, 2029 Mass Production to Reshape Advanced Packaging Landscape - finance.biggo.com

TSMC’s strategic pivot to glass-based CoPoS interposers marks a paradigm shift beyond mere material substitution—it’s a calculated leap to circumvent the physical limits of Moore’s Law. This move pressures upstream suppliers to rapidly qualify ultra-low CTE glass substrates and compels EDA vendors to overhaul design flows for heterogeneous integration. Geopolitical friction heightens supply chain vulnerability, as overreliance on U.S.- and Japan-sourced glass could inflate compliance costs and disrupt operations for Taiwan, China–based foundries. Intel will likely counter by accelerating Foveros Omni integration with EMIB, while Samsung may co-promote alternative silicon photonics standards to fragment TSMC’s ecosystem dominance. Within 18 months, capital equipment orders will skew toward glass-compatible platforms, marginalizing OSATs lacking vertical integration. Ultimately, control over the interposer layer equates to pricing power in the Chiplet era.