China AI ObservatoryIndependent process evidencemeasured
N+3: improved 7nm-family process
As of 2025-12-11TechInsights · SMIC N+3 process analysis (source)Company dossier · Reviewed 2026-09-11
SMIC 中芯国际
The key domestic foundry for advanced logic.
What the evidence says
Fabrication in China still relies on an installed base of foreign tools.
TechInsights · SMIC N+3 process analysis (source)Critical facts
Company news
Timeline →reported
Initial domestic immersion DUV tools enter production
Reuters identifies Aishengna as the production coordinator.
Why it matters. Machine output alone does not establish high-volume wafer production.
Reuters · Initial domestic immersion DUV production (source)measured
Teardown characterizes SMIC N+3
Independent measurements identify a scaled 7nm-family process.
Why it matters. Process labels should be tested against density, yield, and economics.
TechInsights · SMIC N+3 process analysis (source)