Nikon Stepper Step exposure machine
Nikon Stepper Step exposure machine
Product Number:NikonStepper
Model: Nikon i8、i9、i10、i11
Nikon stepper set up check items::
- Stage running test
- Wafer flatness test
- Chip leveling test
- Wafer pre-alignment test
- BST test
- Stepping test
- Reticle rotation test
- Lens distortion test
- Reticle blind test
- Overlay test
- IUC check adjust
- Checking laser power of LSA and interferometer
- Lamp power check / Lamp check
Load position adjust:
- Load arm transmission position check
- Wafer loader stage position check
- Pre-2 unit check and adjust
- O.F table check and adjustment
- Adjust wafer loading position
- Function of wafer flow and adjustment
- Check wafer loader repeatability