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TL;DR
China is making significant strides in domestic chipmaking, with mass-produced DUV lithography machines and emerging 7- and 5-nanometer capabilities. However, gaps in yield, materials, and maintenance remain, emphasizing that practical experience, not just technology, is key to true manufacturing capability.
China has begun mass-producing domestically developed immersion DUV lithography machines, marking a significant step in its effort to build independent semiconductor manufacturing capacity, according to multiple credible sources. This development is crucial as export restrictions have limited access to advanced EUV tools, prompting China to accelerate its internal capabilities.
China’s new DUV lithography systems, tied to Huawei-linked firms and evaluated at SMIC, are capable of 28-nanometer production with multi-patterning techniques that could reach 7- and potentially 5-nanometer nodes. While these machines represent tangible progress, they are still in early production stages, with yields around 20 percent for 5-nanometer chips—far below the approximately 90 percent yields of leading global fabs using EUV technology.
SMIC has demonstrated 7-nanometer production with older DUV tools, and reports suggest it is developing 5-nanometer capabilities. Huawei aims to produce over a million high-end AI-accelerator chips this year, indicating a deliberate push up the technology stack backed by state support. However, these advances are not yet equivalent to fully mature, large-scale manufacturing.
Several critical challenges remain, including dependency on imported materials like high-purity photoresist from Japan, which accounts for about 90 percent of China’s supply. Additionally, China’s domestic tools lag behind global leaders by roughly four generations, with credible forecasts indicating sub-10-nanometer commercial production unlikely before 2030. The existing installed base of DUV tools also requires ongoing maintenance from Western suppliers, making China reliant on external service providers for critical upkeep.
Every few weeks a headline says China cracked the last hard problem in chipmaking — and triggers alarm in one camp, triumph in the other. Both overreact, because both mistake a learning-by-doing problem for a copying problem. It isn’t one.
▲ Forward-looking · figures are point-in-time estimates“A machine exists” and “a machine makes advanced chips at scale, profitably, for years” are separated by a chasm — made of things that only accumulate with time.
In a race, a burst of speed closes the gap. In a phase transition, you can’t move faster to cross over — you have to accumulate enough, slowly, until the system changes state.
When you see “China achieves X,” ask which of two very different claims is actually being made.
Even amid the loud headlines, the quiet data points all say the same thing.
No prototype, no shipped tool, no yield headline teleports past it.
Impact of Practical Experience on China's Semiconductor Progress
This progress signifies a shift from reliance on imported equipment to developing an independent manufacturing ecosystem. While technological capabilities are advancing, the real challenge lies in accumulating the tacit knowledge necessary for reliable, high-yield production at scale. This underscores that China's semiconductor ambitions are now rooted in practical, hands-on experience rather than just technological breakthroughs, which has broad implications for global supply chains and technological sovereignty.
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China’s Semiconductor Development Timeline and Challenges
Over the past decade, China has faced export controls and restrictions that limited access to advanced EUV lithography tools from companies like ASML. This prompted a strategic pivot toward domestic development, with significant investments in DUV lithography and other fabrication technologies. While early prototypes and limited production runs have emerged, experts emphasize that true manufacturing capability depends on years of operational experience, high yields, and reliable supply chains—factors China is actively working to build.
Industry insiders note that Chinese firms are about four generations behind global leaders like ASML, with credible forecasts suggesting commercial sub-10-nanometer production may not occur before 2030. The transition from prototype to full-scale manufacturing remains a critical hurdle, with ongoing reliance on Western maintenance services for existing equipment.
"Progress in domestic chip manufacturing is driven by hands-on experience, not just technology. Yields, materials, and maintenance are the real barriers, and crossing these requires years of operational learning."
— Thorsten Meyer
high-purity photoresist for chip manufacturing
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Uncertainties in China’s Semiconductor Manufacturing Timeline
It remains unclear how quickly China can improve yields, develop reliable supply chains for critical materials, and establish independent maintenance capabilities. The pace at which tacit knowledge is accumulated and operational expertise is gained will determine when China can transition from prototype to commercial-scale, high-yield manufacturing at advanced nodes.
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Next Steps in China’s Semiconductor Industry Development
China is expected to continue ramping up domestic production of DUV tools and develop higher-yield processes over the next few years. Monitoring progress in improving yields, material independence, and maintenance infrastructure will be key, alongside efforts to scale up production of AI chips and other advanced semiconductors. The industry’s ability to close the gap in operational expertise will be decisive for China’s goal of self-sufficiency in high-end chip manufacturing.
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Key Questions
What are the main challenges China faces in advancing its chip manufacturing?
The primary challenges include improving yields, developing independent supply chains for critical materials, reducing reliance on Western maintenance services, and closing the technological gap in equipment capabilities.
How long might it take for China to produce sub-10-nanometer chips reliably?
Most credible forecasts suggest that China may not achieve commercial sub-10-nanometer production before around 2030, due to technical, material, and operational hurdles.
Why is practical experience so important in semiconductor manufacturing?
Advanced chip production relies heavily on tacit knowledge gained through years of operational experience, including process optimization, defect reduction, and maintenance—factors that cannot be fully transferred through technology alone.
Will China be able to fully replace imported equipment and materials?
While progress is being made, China still depends heavily on imported materials like photoresist and maintenance services, and replacing these entirely will require significant time and development efforts.
Source: ThorstenMeyerAI.com
