Process Hierarchy

  Dry oxidation
  1 RCA1 clean
  2 HF dip
Allowed materialssilicon, silicon nitride, polysilicon, silicon dioxideTemperature1000 .. 1100 °C
Refractive index1.46Uniformity0.03
Process characteristics:
Thickness
Thickness*
must be 300 .. 4000 Å
300 .. 4000 Å
Material silicon dioxide
Wafer size
Wafer size