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PT72 Etcher

CAC Name: PT 72

PlasmaTherm 72 Fluorine based Reactive Ion Etcher

PlasmaTherm 72 RIE System Backup: Vince Genova , Tom Pennell


This 10-inch diameter parallel plate, turbo-pumped RIE system is dedicated to applications involving fluorine based plasmas including CHF3, CF4, and SF6. Applications include anisotropic etching of silicon, silicon dioxide and silicon nitride. Etch rates of common materials vary from about 10 nm/min up to 50 nm/min.


  • Fluorine based gases CHF3, SF6, CF4
  • Turbo molecular pumped
  • Micro processor controlled
  • 5% uniformity
  • 10-1000 mT processing pressure
  • Controlled anisotropic etching
  • Variable gas chemistry
  • Selective etching

Additional Resources:

Equipment Information Sheet
Etch Baseline Data
Baseline Etch Process Flow
Location of tool in cleanroom (jpg)

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