TSMC, Samsung and Intel are now all tied to ASML's High-NA EUV roadmap, and that tells you where the real choke point in advanced AI chips sits.
Nvidia may design the chip, and TSMC may print it, but the most important machine in the room still comes from Veldhoven. This month, TSMC and Samsung both moved deeper into ASML's High-NA EUV lithography roadmap, joining Intel around the only commercial tool line built to print the smallest features needed for the next wave of advanced processors. The machine can cost around $400 million, according to Reuters. That is not a normal supplier relationship. It is power.
TSMC and ASML announced on September 8 that TSMC intends to use High-NA EUV in high-volume manufacturing for advanced nodes starting in 2030. Samsung and ASML said the same day that Samsung plans to introduce High-NA EUV into future DRAM high-volume manufacturing by 2028. Intel is already further along: ASML and Intel said on September 8 that more than one million wafers have been processed across certification, research and production work, including select layers for a subset of Intel Core Ultra Series 3 processors, code-named Panther Lake.
That's the real news. The three companies that matter most in advanced manufacturing are no longer talking about whether High-NA EUV belongs in production. They're working out how to live with it.
The Bigger Mask #
The harder part sits inside the machine. ASML and TSMC also started an industry initiative to move EUV photomasks from the 6-inch format used for decades to a 12-inch format. The companies are targeting a pilot line by 2031 and full lithography-system readiness for advanced-node production by 2033. Samsung has joined that same 12-inch photomask effort, while Intel and ASML said Intel has spent more than three years pushing the larger-mask initiative with mask makers, automation suppliers, EDA partners and materials providers.
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This sounds obscure until you look at what High-NA changes. The optics give chipmakers higher resolution, but the printable field is smaller than on older EUV tools. For small designs, you can work around that. For large AI accelerators, data center chips and other big dies, the current setup can mean stitching exposures together. Stitching adds cost and time - and another place for defects to show up.
A bigger mask is not decoration. It is the way the $400 million machine becomes easier to justify.
Wall Street understands that. ASML shares rose about 3% on the September 8 commitments, and UBS kept a buy rating on the stock with a €2,350 price target, according to MarketScreener and UBS disclosures. The exact stock move matters less than the reason behind it. Chipmakers can haggle over delivery slots and service terms, timing too. But they cannot shop around for another High-NA EUV supplier with the same capability.
One Door Into Advanced Chips #
Reuters reported on September 14 that ASML's existing $200 million EUV machines are nearly sold out through 2027. Customers have made fresh commitments to the $400 million High-NA systems. ASML CFO Roger Dassen told Reuters that the AI boom had changed the tone of customer conversations around capacity. You can see why. If every major AI chip roadmap needs smaller, denser and more power-efficient silicon, lithography stops being back-room equipment and becomes the bottleneck everyone has to plan around.
Canon and Nikon still sell lithography tools, but ASML is the only company shipping EUV systems at commercial scale. China's SMEE is years behind at the leading edge, and export controls have made the gap harder to close. One supplier, one bottleneck. So when TSMC, Samsung and Intel all line up behind the same High-NA platform, they are not making three separate procurement decisions. They are confirming there is one door into the next stage of advanced manufacturing.
Frankly, that gives ASML a cleaner kind of power than Nvidia has. Nvidia can design a faster GPU, then fight for packaging and memory - and foundry capacity after that. TSMC can run the world's most important fabs, then still wait on the tools needed to print the next node. ASML sits underneath both stories. If its machines are late or too expensive, everyone else's roadmap feels it. Same if capacity runs short.
The money will not arrive all at once. TSMC's 2030 target and Samsung's 2028 DRAM plan sit years apart. Add the 2031 to 2033 mask timeline and this is still a long manufacturing transition, not an instant revenue switch. Bits&Chips reported that ASML is targeting 90% fleet availability for High-NA systems in the fourth quarter, up from 84% in July, with ten systems running at four customers and three more being shipped or installed.
TSMC workers are testing the price of the AI chip boom TSMC employees are reportedly questioning bonus cuts despite record profits from AI chip demand. The dispute is not yet a formal labor crisis, but it shows why workforce stability at advanced foundries is becoming a real supply chain issue. - TSMC employee backlash over bonus cuts timing - AI chip boom labor friction at TSMC
But the direction is set. The next generation of AI chips has to pass through ASML's factory floor before it reaches anyone else's fab.
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