# Lithography Articoli collegati

Take a Calm Look at Domestic Lithography Machines: 5 Units Delivered, How Far Are We from Challenging ASML?

This article analyzes recent news about China's domestic DUV lithography machines, advising a measured perspective. A state-backed enterprise plans to deliver about 5 immersion DUV systems this year, with a 2027 target of 20 units, aimed at 28nm processes. While this marks a step from R&D into initial customer validation, the author cautions against over-optimism. The piece clarifies this is DUV, not EUV technology. DUV is crucial but cannot economically solve challenges for advanced nodes like 5nm or below, where EUV is key. The 5-unit volume is minimal compared to ASML's annual output of over 130 such machines. The author highlights unverified claims regarding specs like 90% yield and warns against conflating this news with unconfirmed reports about Shanghai Micro Electronics' production. China's EUV efforts, while progressing with a prototype, remain in early testing, facing significant hurdles in core components like high-precision optics. The analogy of a "DeepSeek moment" is deemed misleading, as lithography involves slow, iterative precision engineering, not rapid software-like breakthroughs. Current progress represents establishing a potential second supply source and gaining vital engineering experience rather than an imminent industry disruption. For investors, the key indicators to watch are formal customer acceptance, stable operational performance, repeat orders, and growth in production volume and component localization. The conclusion is that this is a positive but early-stage development, far from altering the global competitive landscape.

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