Technology

TMSC ponders upgrading 2nd Japan fab to 4nm — could pave the way for more advanced chips for Japanese customers

Source

Tom's Hardware

Published

Dec 11, 2025

TL;DR

AI Generated

TSMC is considering upgrading its Fab 23 phase 2 in Japan to produce chips on its N4 process technology, potentially enabling the creation of more advanced chips for Japanese customers. The company had initially planned for the fab to focus on N6 and N7 fabrication technologies, but the shift to N4 and N5 capabilities could offer enhanced chip production. While the upgrade to N4 may require some redesigns due to the need for more EUV lithography tools, TSMC's experience with similar equipment could facilitate the transition. Construction at the site has seen delays, with heavy machinery being removed and suppliers notified of a pause in work until 2026, indicating a potential delay in equipping the facility.

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TMSC ponders upgrading 2nd Japan fab to 4nm — could pave the way for more advanced chips for Japanese customers

TL;DR

Similar Articles

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G.Skill explains how AMD EXPO ULL unlocks additional performance — expanded profiles allow memory makers to include subtiming tweaks for the first time

Huawei-led team claims it post-trained DeepSeek's 1.6-trillion-parameter model — 1,000 Ascend 910C chips used in training