Chip prodigy Da Bo returns to China after his role in TSMC’s 3nm plant in Japan - South China Morning Post

Chinese semiconductor researcher Da Bo, who played a key role in TSMC's 3nm chip production line in Japan, has returned to China with his research team. His work at Japan's National Institute for Mate... Read original →

Da Bo’s return marks a strategic inflection in China’s semiconductor equipment self-reliance drive. His NIMS-developed spectral analysis for 2D materials directly enhances defect detection in EUV lithography—critical for sub-3nm yield ramping—and bolsters domestic electron microscopy capabilities. However, reliance on U.S.-origin components (e.g., Lam-licensed modules) exposes Hefei Guojing to EAR re-export controls, accelerating forced localization. TSMC’s Japan fab, a linchpin of the U.S.-Japan tech alliance, will likely restrict technical interfaces with PRC-affiliated researchers. Competitors like ASML and Applied Materials may respond by bundling ‘compliance-as-a-service’ packages to retain Chinese customers. Over the next 18 months, the Hefei model—integrating USTC, local government, and equipment makers—will become the dominant talent-recruitment pipeline, shifting domestic tools from ‘functional’ to ‘trusted,’ especially as SMIC and YMTC validate them in mature-node fabs.