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Oxford 82 Etcher

CAC Name: Oxford 82

with endpoint detection

Manager: Jeremy Clark
Backup: Vince Genova , Tom Pennell


The Oxford PlasmaLab 80+ is an 8-inch diameter parallel plate, turbo-pumped RIE system dedicated to processes involving Fluorine based gas chemistries such as CHF3, CF4, and SF6. Processes are available to anistropically etch silicon dioxide, silicon nitride, and silicon. Other gasses available are argon and oxygen.

The system has a 500 W 13.56 MHz RF power source coupled to a solid state matching network. The active electrode is equipped with a heater/chiller and is capable of operating at various temperatures. The operating pressure regime for processes in the PlasmaLab 80+ is 10 - 1000 mT.

The PC interfaced system is equipped with a laser interferometry endpoint detection scheme that can be configured to allow the PC to control and stop the etch. This also allows the etch depth to be used to control when an etch process is stopped.


  • CHF3
  • CF4
  • SF6
  • Argon
  • Oxygen

Additional Resources:

Equipment Information Sheet
Etch Baseline Data
Baseline Etch Process Flow

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