America has a plan to throttle Chinese chipmakers

MAKING CHIPS is complex work. Semiconductor manufacturers such as Intel, Samsung and TSMC themselves rely on machine tools built by an array of firms that are far from household names. The equipment sold by Applied Materials, Tokyo Electron, ASML, KLA and Lam Research is irreplaceable in the manufacture of the microscopic calculating machines that power the digital economy. A supply crunch, coming after years of ructions between America and…