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What Is DUV? Why China's Homegrown Chipmaking Tool Threatens ASML, Micron, AMD ...
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Fusion42 · 28 July 2026 · Fusion42 review
China has begun manufacturing immersion deep ultraviolet lithography machines, challenging ASML's monopoly on advanced chipmaking equipment and triggering a 7% drop in ASML's stock amid broader sell-offs in chip equipment globally.
This Wire brief sits within Fusion42's coverage of Semiconductors. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.
◆ ◆ The Wire takeaway
ASML's lock on advanced lithography just cracked. Chinese fabs can now build domestically without Western equipment, which means your supply chain to China becomes negotiable - and your customers in China may soon have no reason to buy from you at all.
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