Technology thesis · Semiconductors & Chips
high conviction matureEUV lithography
ASML's EUV monopoly is the single most strategically important chokepoint in global technology; no competitor exists and none is likely to emerge within a decade.
Position maintained continuously · last reviewed May 7, 2026
The thesis
Core thesis
ASML is the sole supplier of EUV lithography machines needed for sub-7nm chips. Each machine costs $200M+ and takes 18 months to deliver. High-NA EUV (for sub-2nm) is ramping. The Netherlands government controls export policy — restricting sales to China under US pressure. No competitor can replicate ASML's 20+ year development programme. This is the most defensible monopoly in technology.
State of the art (2026)
ASML remains the sole EUV supplier, and 2026 is the year High-NA crosses from pilot to commercial. Intel installed the first commercial Twinscan EXE:5200B at Fab 52 in Arizona for its 14A node, while Samsung took an EXE:5200B in late 2025 with a second due in the first half of 2026. TSMC, tellingly, is sticking with 0.33-NA EUV through its A14 node rather than adopting High-NA, betting that multi-patterning is cheaper than a roughly EUR 380M tool. The installed 0.33-NA base does the real work: TSMC N2 entered volume production in late 2025 and Intel 18A reached HVM. ASML posted Q1 2026 sales of EUR 8.8bn against a EUR 38.8bn backlog.
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Signal stack
Evidence stacked leading → lagging
Technology-native KPIs
Metrics that predict trajectory, tracked over time
Landscape map
Who builds what — and who depends on whom
Catalyst calendar
Dated events that will move the position
Technology roadmap
Milestones on the path to maturity
Watchlists
Companies, people and papers — each with a remove-by condition
Decision frameworks
The same call, framed for your desk
Thesis changelog
When our view changed, and why
Change our mind
3 disconfirming conditions
The rest is inside
You've read the verdict. The file is much deeper.
The full signal stack, technology-native KPIs tracked over time, the landscape of who depends on whom, the dated catalyst calendar, decision frameworks for every desk, live watchlists and the changelog of every time our call on EUV lithography has changed — all live inside CanaryIQ.