Process Hierarchy

on front
  Doped poly-SiC LPCVD
  1.2 10:1 HF dip
Refractive index1 .. 4Thickness0 .. 50 µm
Process characteristics:
Thickness
Amount of material added to a wafer
Thickness*
Amount of material added to a wafer, must be 0 .. 0.5 µm
0 .. 0.5 µm
Batch sizes 100 mm: 24, 150 mm: 10
Excluded materials gold, aluminum
Material poly-SiC
Wafer size
Wafer size
Comments:
  • N doped.
  • All metals, except refractory metals with melting point above 1500C excluded.