Lithographie EUV
In brief
The technique used to etch the finest circuits onto chips using an extremely powerful light source. The machines used to carry out this process are manufactured by just one company in the world.
▶ Precise definition
Extreme ultraviolet photolithography (wavelength of 13.5 nm), which is essential for etching the most advanced nodes. The equipment is produced by a single supplier, the Dutch company ASML, making it one of the most frequently cited bottlenecks in the silicon supply chain.
See also