Process Hierarchy

  1X LPG L625 mask
Process characteristics:
Mask material
Mask material*
Mask plate dimension
Size of mask plate to be made
Mask plate dimension*
Size of mask plate to be made
Batch size 1
Critical dimension tolerance 0.25 µm
Defect density
Density (by area) of defects of a given size (e.g., 1dpsi@1.0um).
0 > 5.0um
Magnification 1
Mask coating
Mask coating material (eg. chrome).
Min feature size 2 µm
  • 7x7" quartz mask is 0.15" thick.
  • 2um minimum line feature. No circles, rings, squares smaller than 3um.