Process Hierarchy

  5x GCA E-beam reticle
Process characteristics:
Beam spot diameter
Area of the beam used to write the mask
Beam spot diameter*
Area of the beam used to write the mask
Batch size 1
Critical dimension tolerance 0.25 µm
Defect density
Density (by area) of defects of a given size (e.g., [email protected]).
0dpsi@1um (automatic)
Feature geometry
Shape of feature with dimensions characterized by the minimum feature size
line
Magnification 5
Mask coating
Mask coating material (eg. chrome).
chromium
Mask material quartz (fused silica)
Mask plate dimension 5x5x0.90"
Min feature size 1 µm
Equipment