ASML holds the only production line for EUV lithography systems — machines that cost up to roughly $400 million, contain more than 100,000 parts and occupy the footprint of a double-decker bus. That monopoly position makes CEO Christophe Fouquet's timeline for AI-driven semiconductor demand unusually consequential: he expects the AI transformation of chipmaking to play out over 10 to 15 years, not in a single procurement cycle.

"I think the AI effect on society and industry is going to take 10 to 15 years," Fouquet said. "We're only seeing the tip of the iceberg."

His framing signals that AI is creating a sustained need for manufacturing advances rather than a short-term surge in accelerator orders. That demand extends well beyond processors to the production tools, packaging technologies, memory, networking equipment and data-center systems required to run AI workloads at scale.

Two technical directions anchor ASML's roadmap. The first is a planned increase in mirror aperture for its extreme ultraviolet lithography systems. Larger apertures let the tools focus EUV light more precisely, supporting finer patterning and future leading-edge process nodes. The second is architectural: ASML expects more circuits to be built vertically rather than spread across a flat surface. Stacking transistors and other circuitry offers chipmakers another path to density and performance gains as two-dimensional shrinking becomes harder — an approach likely to matter most for AI chips, which need more compute and faster memory access.

The engineering behind EUV explains why ASML faces so little direct competition. Lasers, mirrors, vacuum systems and molten tin droplets work together inside each machine to generate EUV light and project it onto silicon wafers. Nikon and Canon, once major lithography rivals, have stayed focused on deep ultraviolet (DUV) systems. DUV tools remain widely used across chip production, but only EUV can pattern the most advanced nodes, and every leading foundry building AI processors runs ASML equipment.

Complexity has compounded ASML's lead. "The more complex our products became . . . the more advantage we got in terms of competitiveness," Fouquet said. "We could [develop] a lot faster than anyone else."

That same complexity constrains how fast ASML can add output. The company cannot expand simply by spending more on assembly plants. Each EUV system draws on about 200 main suppliers and roughly 2,000 companies in the broader supply chain — Zeiss for key optics, Trumpf for lasers, VDL for mechatronic systems. ASML bought laser maker Cymer in 2013 to secure a critical subsystem in-house. Scaling production requires highly specialized components, production expertise and suppliers capable of meeting exacting technical requirements, none of which can be stood up quickly.

Geopolitics adds another layer. Export restrictions bar ASML from selling EUV systems to China, which locks Chinese chipmakers out of the most advanced lithography but also gives Beijing a strong incentive to build its own equipment industry. Fouquet identified Huawei as an important player in China's DUV equipment effort. China is not close to producing an EUV alternative, according to his assessment, but it is developing capability across DUV systems, components, materials and other segments of semiconductor manufacturing.

ASML has also bought an 11% stake in French AI company Mistral, giving it a foothold in Europe's AI software market, though its primary role in the AI economy remains its equipment business.

For the broader chip market, ASML's next-generation tools will matter as much as its installed base. Better EUV optics and vertical chip designs could sustain the industry's performance trajectory — but they will also deepen dependence on specialized manufacturing equipment and a supplier network that must keep pace with demand the CEO expects to build for more than a decade.