Not long after Shenzhen-based Huawei unveiled what it described as a breakthrough pathway for advanced semiconductor production at the recent IEEE ISCAS conference, the Trump administration raised concerns that one of Dutch chip-equipment giant ASML's extreme ultraviolet lithography, or EUV, machines may have fallen into Chinese hands.Bloomberg reports that Commerce Secretary Howard Lutnick has raised concerns that one of ASML's EUV machines may have reached China despite US-led export controls.ASML has pushed back on Lutnick's suggestion, explaining that none of its EUV machines, used to print the tiniest circuit patterns onto advanced computer chips, have ended up in the hands…