Use the projection lithography machine!
Specifically, according to different uses, the lithography machine can be divided into three categories: first, the lithography machine is mainly used to produce chips; The second is a lithography machine for packaging; The third is the projection lithography machine used in the field of LED manufacturing.
The current size of the LED lithography machine below 14 nm is basically monopolized by the Dutch Asmer. 14nm and above are produced in China, Japan, South Korea, Europe and the United States.