TSMC CoWoS yields top 98% as capacity expands - digitimes

Taiwan Semiconductor Manufacturing Company (TSMC) reported a remarkable 98% yield rate for its CoWoS (Chip on Wafer on Substrate) technology following its North America technology forum, demonstrating... Read original →

TSMC’s 98% CoWoS yield isn’t just a manufacturing milestone—it redefines AI chip economics. Technically, it slashes the cost of HBM-logic integration, accelerating chiplet-based GPU/ASIC designs and forcing EDA and test equipment upgrades. Compliance-wise, U.S. fab ramp faces >15% cost inflation due to EUV export controls and talent shortages, leaving supply chain vulnerabilities intact. Competitors like Samsung and Intel will push I-Cube and Foveros, but lack TSMC’s 3nm-CoWoS co-optimization, limiting near-term threat. Over the next 18 months, advanced packaging capacity—not just wafer output—will gate AI chip supply. TSMC’s yield-scale combo effectively locks in NVIDIA, AMD, and hyperscalers through 2027, marking the dawn of a ‘packaging-defined performance’ era.