TSMC, Samsung, and SK Hynix Successively Commit to ASML's High-NA EUV Equipment
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TSMC, Samsung, and SK Hynix have each locked in timelines for ASML's next-generation High-NA EUV lithography tool, while standard EUV orders are nearly sold out through 2027 — the chip industry is voting with real money that shrinking circuits remains the main upgrade path.
Who is buying, and when do they go live?
Samsung and SK Hynix both announced 2028 production starts on High NA for memory chips. Morningstar analyst Javier Correonero noted Samsung's timeline is earlier than the market expected.
TSMC previously questioned whether a ~$400 million price tag per tool was justified; it has now committed to production use from 2030.
Micron has placed orders but disclosed no production date. Intel, the earliest customer, says it has processed over one million wafers and the tool meets volume throughput and reliability standards.
What exactly is High NA, and how does it improve on the current generation?
High NA — high numerical aperture extreme-ultraviolet lithography — is the successor to ASML's current EUV tools, with first shipments in 2023.
It prints chip features roughly 40% smaller than standard EUV, potentially cutting manufacturing steps and boosting efficiency — but costs about twice as much per tool.
This means → each machine costs double, but it can pattern finer lines in a single exposure, eliminating repeated-patterning time and cost.
How dominant is ASML at this point?
J.P. Morgan estimates ASML holds roughly 94% of the global lithography market in 2025. In EUV specifically, it has been the sole supplier since the late 2010s.
Japan's Nikon and Canon, along with emerging Chinese competitors, produce older-generation deep-ultraviolet (DUV) tools. Morningstar's analyst called claims they are about to catch ASML "misinformation."
In plain terms = to make the most advanced AI chips, there is exactly one company on Earth that can sell you the machine — and its order book is full through 2027.
Why are memory chipmakers moving faster than logic chipmakers?
ASML CEO Christophe Fouquet noted that memory makers' finished chips are physically smaller, so the technical barrier to adopting High NA is relatively lower.
"You can see these companies are more aggressive in many aspects of their plans, and High NA is included," he said.
This reflects the competitive logic of the memory industry — whoever adopts a finer process first captures density and cost advantages first, which is why Samsung and SK Hynix go live two years ahead of TSMC.
What does this order wave mean for ASML itself?
CFO Roger Dassen said the AI boom has fundamentally changed the tone of customer conversations; standard EUV tools priced at ~$200 million are nearly sold out through 2027.
ASML broke ground last week on a new campus in Eindhoven, the Netherlands, eventually housing up to 20,000 employees.
This means → ASML is not just selling tools — it is building capacity for an entire up-cycle. The scale of the new campus signals it expects demand to keep climbing.
Where is the real uncertainty?
The collective bet on High NA signals an industry consensus: continuing to shrink feature sizes remains the necessary path to higher performance, and alternatives such as advanced packaging or 3D stacking cannot yet replace it.
Whether that consensus holds will be tested at the 2028-to-2030 production milestones — only then can yields, costs, and actual performance gains be verified.
In plain terms = every major chipmaker has cast its vote, but the ballots haven't been counted yet. The real exam comes in two to three years, when these machines are running at scale.
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