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Rumors of Domestic DUV Lithography Mass Production Shake Industry
Late July reports claimed China began mass producing domestic DUV lithography machines and testing them for 7nm chip production, causing a stir in the industry and capital markets.
2026-07-27 ~ 2026-07-28 · 3 episodes · 10 posts
Episode 1 · Rumors of China's Domestic DUV Mass Production Trigger ASML Plunge (2026-07-27, 3 posts)
A report indicated that a Shanghai state-backed enterprise has begun mass producing domestic immersion DUV lithography machines. This rumor caused chip stocks to fluctuate, with ASML's stock price plunging by 6.5%, highlighting the industry's sensitivity to shifts in the semiconductor supply chain.
- ASML drops 4% as a post says DUV mass production has started — zephyr_z9 · 2026-07-27
- China’s first immersion DUV line may ship 5 tools this year, hitting ASML shares — AlphaguyTrading · 2026-07-27
- China's Mass Production of DUV Lithography Tools Slams ASML Shares; Supply Chain Calls Panic Overblown — IanAndrewsDC · 2026-07-28
Episode 2 · SMIC Tests Domestic DUV Lithography for 7nm Chip Production (2026-07-27, 3 posts)
SMIC is reportedly testing a domestic 28nm DUV lithography machine with multi-patterning to produce 7nm chips, while a Shanghai state-backed enterprise begins manufacturing its own immersion DUV equipment.
- FT: SMIC is testing a Chinese-made 28nm DUV tool for 7nm chip production — teortaxesTex · 2026-07-27
- A new FT excerpt says DUV specs, not price, decide whether China’s tools can ship — teortaxesTex · 2026-07-27
- Report says a Shanghai-backed company has begun making domestic immersion DUV tools — teortaxesTex · 2026-07-28
Episode 3 · China Begins Mass Production of Domestic DUV Lithography Tools (2026-07-28, 4 posts)
China has reportedly begun mass-producing its domestic immersion DUV lithography tools and is delivering them to major chipmakers like SMIC, aiming to break foreign monopolies and support advanced manufacturing.
- A short post says China is now doing DUV work and breaking a monopoly — AIFlow_ML · 2026-07-28
- Report says China has started mass-producing homegrown DUV chipmaking tools — AIFlow_ML · 2026-07-28
- China’s domestic immersion DUV tools are moving toward 7nm chip production — deedydas · 2026-07-28
- Reuters says China’s homegrown immersion DUV tools are now shipping to chipmakers — teortaxesTex · 2026-07-28