Oxford 100 ICP

Deposition
- SiC deposition
- Gases: SiH4, N2, H2, C3H8
- Top electrode RF driven (MHz and/or kHz); no RF bias on lower (substrate) electrode
- Substrate sits directly on heated electrode
- Gas injected into process chamber via showerhead gas inlet in the top electrode
- 0.5-1.0 Torr operating pressure
- 0.02-0.1 Wcm-2 power density
Etching
- Etch Gases: SF6, CF4, O2, Ar
- Cryo DRIE up to 5 um/min
- 4" Wafers
Process Status
A screencast of the PC attached to the oxford 100 is available by going to http://www.nanofab.utah.edu/oxford100.
Process Information
Oxford 100 DRIE SF6/C4F8 Log Sheet
Cross Section Pictures of Results: High Aspect Ratio No Undercut