3 ms·

They are called wafer-steppers and they transfer the design onto the wafer. Actually making the wafer into proper chips is multi-multi-step proces ( like 50 -

They are called wafer-steppers and they transfer the design onto the wafer. Actually making the wafer into proper chips is multi-multi-step proces ( like 50 - 100 steps ).

baybal2 6y ago
Stepper are not used on high end nodes for more than a decade. I believe anything 130nm, and lower uses a scanner.
- the-dude 6y ago
  I stand corrected, though I believe the term persists.