Waferpedia

Comparison ledger

CPX Pegasus Polysilicon versus uEtch

SPTS CPX Pegasus Polysilicon 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 Pegasus PolysiliconSPTS uEtch
Specifications
Process typeVapor-phase, selective, isotropic etch on sacrificial oxide[1]
Process chemistryAnhydrous HF and ethanol (C2H5OH) with nitrogen (N2) gas mixture[1]
Operating pressure125 Torr fixed for the standard processes[1]
Standard recipesRecipe1, Recipe2, Recipe3, Recipe4, Recipe5[1]
Minimum etch rate - Recipe112 nm/min[1]
Minimum etch rate - Recipe238 nm/min[1]
Minimum etch rate - Recipe3125 nm/min[1]
Minimum etch rate - Recipe4153 nm/min[1]
Minimum etch rate - Recipe5175 nm/min[1]

Plan your fab

Building a Etch process? Get a complete equipment list.

Open the fab equipment planner →
Sources (1)Every fact above is drawn from these public sources
  1. [1]epfl.chepfl.ch