Waferpedia

Comparison ledger

RIE-10 versus uEtch

SPTS RIE-10 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
RIE-10SPTS
uEtchSPTS
OEMSPTSSPTS
CategoryEtchEtch
Wafer size6-inch wafers
Process node
Introduced
Production run
Lifecycle
Lifecycle milestones
Control system
Generation
FamilySPTS RIE-10SPTS uEtch
Specifications
Etch rate6–10 µm/min[1]
Aspect ratio50:1[1]
Selectivity to resist>50:1[1]
Selectivity to silicon oxide>100:1[1]
Uniformity<5% across 6-inch wafers[1]
Primary RF powerup to 3,000 W[1]
Secondary RF powerup to 3,000 W[1]
Substrate powerup to 300 W[1]
Chuck temperature range-15°C to +40°C[1]
Sample size handling6-inch or smaller samples[1]
End point detectorClaritas End Point Detector[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]cns1.rc.fas.harvard.educns1.rc.fas.harvard.edu
  2. [2]epfl.chepfl.ch