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Comparison ledger

CPX Pegasus versus uEtch

SPTS CPX Pegasus and SPTS uEtch, side by side. Every value shown is drawn from its cited encyclopedia entry.

Side-by-side comparison of selected equipment models
Attribute
uEtchSPTS
OEMSPTSSPTS
CategoryEtchEtch
Wafer size
Process node
Introduced
Production run
Lifecycle
Lifecycle milestones
Control system
Generation
FamilySPTS CPX PegasusSPTS uEtch
Specifications
Configuration2 Chambers[1]
Frequency60Hz[1]
Source RF GeneratorMKS 6.5 kw RF Power Generator[1]
Platen RF GeneratorMKS/ENI ACG 3B 13.56MHz RF Generator[1]
Rotary Pump3 PCS[1]
Turbo pump2 PCS[1]
DI WaterSMC HRZ-L2-DY chiller[1]
Silicon oilSMC HRZL-D chiller[1]
Process typeVapor-phase, selective, isotropic etch on sacrificial oxide[2]
Process chemistryAnhydrous HF and ethanol (C2H5OH) with nitrogen (N2) gas mixture[2]
Operating pressure125 Torr fixed for the standard processes[2]
Standard recipesRecipe1, Recipe2, Recipe3, Recipe4, Recipe5[2]
Minimum etch rate - Recipe112 nm/min[2]
Minimum etch rate - Recipe238 nm/min[2]
Minimum etch rate - Recipe3125 nm/min[2]
Minimum etch rate - Recipe4153 nm/min[2]
Minimum etch rate - Recipe5175 nm/min[2]

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Sources (2)Every fact above is drawn from these public sources
  1. [1]inventory listing
  2. [2]epfl.chepfl.ch