ASML’s most advanced lithography machines have entered production at scale. According to a report from Digitimes on September 1, the Dutch company’s high numerical aperture EUV systems, known as High NA, have been adopted for a first high-volume logic chip product, and TrendForce data cited in the report shows roughly 10 High NA systems now operating across four customers.
The transition matters because it moves the technology from pilot lines to the factory floor. High NA systems, which use a larger lens aperture to project finer patterns onto silicon, are the industry’s answer to the physical limits of standard EUV lithography. Chipmakers have been studying them for years, but running a cutting-edge logic chip in volume on the machines is a different proposition from testing one. The Digitimes report suggests the industry has crossed that line.
The groundwork was laid over the past year. Intel used ASML’s 0.55 NA systems to produce some layers of its Panther Lake processors, a first for the technology, and the new report indicates that high-volume production has now spread to additional products and customers. The four customers running the systems are widely believed to include Intel, Samsung and TSMC, though none of the companies has confirmed which of its products relies on High NA, and ASML does not disclose its customers’ production plans.
For ASML, the adoption is the payoff for one of the most expensive development programs in industrial history. The company has spent billions of euros over a decade developing High NA, and each system carries a price tag of several hundred million euros, making them the most expensive production tools ever sold. The economics only work at scale: the more customers run High NA in volume, the more the upfront development investment is spread across a growing base of revenue. The report’s implication, that volume production has begun, is the validation ASML has been waiting for.
The technology’s significance lies in the roadmap it unlocks. Standard EUV lithography, which ASML introduced in 2019, is reaching the limits of what its optical design can print. As chip features shrink to the dimensions required for the next generations of logic chips, the patterns become too fine for standard EUV to resolve in a single exposure. High NA solves the problem by printing finer features directly, avoiding the need for multiple exposures that slow production and raise cost. For the chipmakers chasing ever smaller transistors, High NA is the path forward.
The industry’s adoption has been cautious, and the caution has been a subject of debate. High NA systems are expensive, and the transition to them requires chipmakers to re-engineer production processes, a cost measured in years and billions of dollars. Some in the industry argued that standard EUV, with process tricks like multiple patterning, could delay the need for High NA; others said the technology was essential and the delay risked falling behind. The new production data suggests the second camp is winning, at least for logic chips at the most advanced nodes.
The implications extend beyond ASML. The lithography market is dominated by ASML to a degree unusual in the semiconductor industry, and High NA reinforces that dominance: no other company makes EUV systems, let alone High NA ones. For chipmakers, the dependence has strategic consequences, and governments have taken notice. The United States, Japan and Europe have all subsidized chip manufacturing in part to secure access to the machines and the technology they represent.
The transition is not frictionless. High NA systems are scarce: ASML can produce only a limited number each year, and customers have queued for delivery. The machines also require massive cleanrooms, specialized power systems and teams of engineers trained to operate them, all of which add to the cost of adoption. For the four customers now running the systems, the investment was made on the assumption that the technology would be required for the next generations of their most advanced products, and the production data suggests the assumption was right. The question now is how quickly the installed base grows and whether the technology spreads from logic chips to memory, where the economics are different.
For the semiconductor industry as a whole, the report is evidence that Moore’s law, the decades-old prediction that chips double in density on a regular schedule, still has room to run. Every generation of the technology has been declared dead, and every generation has found a new tool to extend it. High NA is the latest such tool, and its arrival in volume production means the industry’s most advanced products will keep getting more powerful. The customers running those 10 systems will define the next round of competition in logic chips, and ASML, which built the machines, will collect the rent on all of it.
