ChinaTalk: the MATCH Act and DUV lithography as America's AI compute lever over China
ChinaTalk · rss · 2026-10-20
ChinaTalk hosts Nick Brown (Center for Technology and Statecraft) on the MATCH Act, a proposed bill to restrict DUV immersion lithography exports to China.
- Compute gap: China holds 1M H100-equivalent domestic chips vs 30M+ in the US, plus 1M more reachable via Southeast Asian data centers.
- The "cannonball-sized hole": China imported 90 immersion DUV systems per year in 2024-25, worth $10B+, nearly two-thirds of ASML's immersion exports — enough to reach US parity in AI chipmaking within a decade at this rate.
- The currently allowed NXT:1980i supports 7nm logic and HBM2E/3 — exactly what Huawei Ascend chips need; the analysis argues China can't indigenize AI-grade DUV at scale until the 2030s.
- The bill would also restrict servicing; gradual restrictions may avoid rare-earth-style retaliation while preserving US compute advantage into the 2030s.
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