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TSMC Kumamoto expansion to include 3nm process technology for advanced logic chips
Sunday, February 8, 2026 at 09:15 PM
Akira Amari, a key figure in Japan's semiconductor strategy, stated in an interview that TSMC's expansion in Kumamoto is essential for Japan to access high-end logic chips. He noted that the second Kumamoto fab is expected to upgrade to advanced 3nm process technology. The expansion is framed as a strategic move to secure the global supply chain against regional risks and to fill Japan's gap in sub-10nm manufacturing capabilities.
Context
TSMC is upgrading its second Kumamoto fab in Japan to include the advanced 3nm process node, a major step in Japan’s semiconductor revitalization. Backed by strategist Akira Amari, this move introduces high-end logic production—the "missing piece" in Japan's domestic ecosystem. The transition to 3nm provides the essential "brains" required for AI and advanced computing, diversifying TSMC's leading-edge capacity away from Taiwan to mitigate geopolitical risks and ensure global supply chain stability.
This expansion reinforces TSMC's dominance over Samsung Electronics and Intel, who continue to struggle with yields and scale at the leading edge. By establishing advanced manufacturing in Japan, TSMC secures its role as the primary provider for the "physical AI" era. For investors, this reduces concentration risk and positions Japan as a vital node in the global chip supply chain, ensuring that critical 1-digit nanometer technology remains resilient against regional instability.
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