US tells ASML it's concerned one of its chipmaking tools may be in China, Bloomberg News reports

U.S. Commerce Secretary Howard Lutnick has told ASML that Washington is concerned that one of its top chipmaking machines may have found its way to China in violation of U.S.-led export restrictions, Bloomberg News reported on Thursday. Lutnick expressed the concerns over ASML’s extreme ultraviolet lithography, or EUV machines, to senior leaders of the Dutch firm in a series of meetings, the report. ASML's most advanced EUV systems are roughly the size of a school bus and weigh 180 tons. The U.S. Commerce Department and the White House were not immediately available for comment outside business hours when contacted by...