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TSMC brings 3nm to Japan
TSMC is doubling down on Japan. By upgrading its second Kumamoto facility to 3-nanometer production, the chipmaking giant has turned what was once a secondary supply-chain hedge into a cornerstone of its global strategy to dominate advanced AI silicon.
TSMC has decided to upgrade its planned second Kumamoto wafer fab from the originally intended 6/7nm node to mass production of advanced 3nm chips, notifying the Japanese government and negotiating revised support and investment terms.

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IN THE NEWS
Friday 6 February 2026
The Kumamoto master plan: behind TSMC's strategic leap to 3nm supremacy
TSMC is doubling down on Japan. By upgrading its second Kumamoto facility to 3-nanometer production, the chipmaking giant has turned what was once a secondary supply-chain hedge into...
Friday 6 February 2026
Commentary: Why TSMC is upgrading Japan's Kumamoto fab from 6nm to 3nm
TSMC has made a significant change in its process plan for the Kumamoto second fab, confirming an upgrade from the initially planned 6/7nm node to 3nm. This facility will become Japan's...
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Thursday 5 February 2026
The 3nm surprise: TSMC's C.C. Wei pulls PM Takaichi's own book from his pocket to seal US$17B deal
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Commentary: How TSMC's C.C. Wei solidifies global alliances from Washington to Tokyo
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Thursday 5 February 2026
TSMC goes all-in on Japan: Kumamoto Fab 2 upgraded to 3nm powerhouse
TSMC has formulated a plan to mass-produce advanced 3nm chips in Kumamoto Prefecture, marking an unprecedented move within Japan. The company has notified the Japanese government of...