China's ASML DUV stockpile spurs calls to close export-control loophole

Chinese chipmakers have stockpiled hundreds of immersion DUV lithography systems from ASML worth billions of dollars. A Washington think tank is now calling for tighter export controls to close a loophole that still allows such equipment to be shipped.

• China has amassed hundreds of ASML immersion DUV systems worth billions of dollars
• A Washington think tank urges tighter export controls on such equipment
• The push targets a loophole that lets shipments bypass current restrictions