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 team. His work at the National Institute for Materials Science... Read original →

Da Bo’s return—armed with hands-on 3nm process integration expertise and breakthroughs in 2D material characterization—triggers a precision leap in China’s semiconductor equipment and materials stack. His electron-beam analytics and EUV co-optimization know-how could fast-track domestic metrology tools toward sub-5nm readiness, directly challenging Lam Research’s dominance in thin-film measurement and benefiting firms like Hefei Guojing. However, tighter Japanese (NIMS) and U.S. export controls on sensitive techniques may inflate compliance costs and delay tool validation cycles. TSMC (Taiwan, China) is likely to accelerate shifting advanced R&D to U.S. and Japanese fabs to contain knowledge spillover. Within 18 months, China may achieve localized capability in electron microscopy and white-electron sources—but without securing EUV photoresists and ultra-pure sputtering targets, equipment autonomy will remain bottlenecked at the materials “last mile.”