ASML, the Dutch company that builds the world's most advanced chipmaking equipment, is pushing back on claims that one of its cutting-edge machines made its way to China.
According to Anton Shilov writing for Tom's Hardware, ASML says reports that one of its extreme ultraviolet (EUV) lithography systems has ended up in China are inaccurate. The company denies it has ever shipped an EUV scanner to China.
Tom's Hardware reports that ASML's denial followed questions reportedly posed by US Commerce Secretary Howard Lutnick to ASML's leadership. TechCrunch frames the dispute plainly in its headline: the US says ASML's top chip tool may be in China, and ASML says it isn't.
EUV lithography systems are the highest-end tools used to manufacture the most advanced computer chips. They are central to the ongoing technology standoff between the United States and China, and export of this equipment to China has been restricted. That backdrop is why even a single machine's whereabouts becomes a matter for a cabinet secretary.
The sources here describe a factual dispute rather than a resolution. US officials have raised the possibility that an EUV system reached China; ASML states flatly that it never shipped one there. Neither source presents evidence settling which account is correct, and the available items do not detail what prompted the US questions.
Why it matters: control over EUV machines is one of the most powerful levers the West holds in the chip race with China, so any claim that one slipped through — true or not — strikes at the heart of how that policy is enforced.