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100 ICP FluorineversusuEtch

Oxford Instruments 100 ICP Fluorine, SPTS uEtch, side by side. Every value shown is drawn from the cited encyclopedia entries.

Side-by-side comparison of selected equipment models
Attribute
100 ICP FluorineOxford Instruments
uEtchSPTS
OEMOxford InstrumentsSPTS
CategoryEtchEtch
Wafer size——
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
FamilyOxford Instruments 100 ICP FluorineSPTS uEtch
Specifications
Etch GasesSF6, CF4, O2, Ar, N2, CHF3, C4F8[1]—
Cryo DRIE etch rateup to 5 µm/min[1]—
Wafer size4 inch, 6 inch, 8 inch (with clamp change)[1]—
Process type—Vapor-phase, selective, isotropic etch on sacrificial oxide[2]
Process chemistry—Anhydrous HF and ethanol (C2H5OH) with nitrogen (N2) gas mixture[2]
Operating pressure—125 Torr fixed for the standard processes[2]
Standard recipes—Recipe1, Recipe2, Recipe3, Recipe4, Recipe5[2]
Minimum etch rate - Recipe1—12 nm/min[2]
Minimum etch rate - Recipe2—38 nm/min[2]
Minimum etch rate - Recipe3—125 nm/min[2]
Minimum etch rate - Recipe4—153 nm/min[2]
Minimum etch rate - Recipe5—175 nm/min[2]
Chemistry—Anhydrous HF and ethanol (C2H5OH) vapor with N2 carrier[2]
Total pressure—125 Torr (fixed for standard processes)[2]
Recipe 1 etch rate (thermal oxide)—12 nm/min minimum[2]
Recipe 2 etch rate (thermal oxide)—38 nm/min minimum[2]
Recipe 3 etch rate (thermal oxide)—125 nm/min minimum[2]
Recipe 4 etch rate (thermal oxide)—153 nm/min minimum[2]
Recipe 5 etch rate (thermal oxide)—175 nm/min minimum[2]
Maximum wafer size for etch rate measurement—4-inch substrate (blanket thermal SiO2)[2]
Chamber pressure range (manual needle valve)—75–150 Torr[2]
Gases used—Anhydrous HF, ethanol (C2H5OH) vapor, nitrogen (N2)[2]
Total process pressure—125 Torr[2]
Minimum etch rate (Recipe1, thermal oxide)—12 nm/min[2]
Minimum etch rate (Recipe2, thermal oxide)—38 nm/min[2]
Minimum etch rate (Recipe3, thermal oxide)—125 nm/min[2]
Minimum etch rate (Recipe4, thermal oxide)—153 nm/min[2]
Minimum etch rate (Recipe5, thermal oxide)—175 nm/min[2]
Process pressure—125 Torr (fixed for all standard processes)[2]
Process Recipe1 minimum etch rate (thermal oxide)—12 nm/min[2]
Process Recipe2 minimum etch rate (thermal oxide)—38 nm/min[2]
Process Recipe3 minimum etch rate (thermal oxide)—125 nm/min[2]
Process Recipe4 minimum etch rate (thermal oxide)—153 nm/min[2]
Process Recipe5 minimum etch rate (thermal oxide)—175 nm/min[2]
Process gases—Anhydrous HF, ethanol vapor, N2[2]
Etch chemistry—Vapor-phase HF with ethanol catalyst, selective to SiO2 over Si and other materials[2]
Primary use—Sacrificial oxide release[2]
Target material—Sacrificial SiO2[2]
Recipe1 minimum etch rate—12 nm/min[2]
Recipe2 minimum etch rate—38 nm/min[2]
Recipe3 minimum etch rate—125 nm/min[2]
Recipe4 minimum etch rate—153 nm/min[2]
Recipe5 minimum etch rate—175 nm/min[2]
Recommended minimum etch duration—15 min[2]

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Sources (2)Every fact above is drawn from these public sources
  1. [1]nanofab.utah.edunanofab.utah.edu
  2. [2]epfl.chepfl.ch