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uEtchversus110

SPTS uEtch, Tegal 110, side by side. Every value shown is drawn from the cited encyclopedia entries.

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Side-by-side comparison of selected equipment models
Attribute
uEtchSPTS
110Tegal
OEMSPTSTegal
CategoryEtchEtch
Wafer size——
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
FamilySPTS uEtchTegal 110
Cited variants—
Specifications
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]—
ChemistryAnhydrous HF and ethanol (C2H5OH) vapor with N2 carrier[2]—
Total pressure125 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 measurement4-inch substrate (blanket thermal SiO2)[2]—
Chamber pressure range (manual needle valve)75–150 Torr[2]—
Gases usedAnhydrous HF, ethanol (C2H5OH) vapor, nitrogen (N2)[2]—
Total process pressure125 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 pressure125 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 gasesAnhydrous HF, ethanol vapor, N2[2]—
Etch chemistryVapor-phase HF with ethanol catalyst, selective to SiO2 over Si and other materials[2]—
Primary useSacrificial oxide release[2]—
Target materialSacrificial SiO2[2]—
Recipe1 minimum etch rate12 nm/min[2]—
Recipe2 minimum etch rate38 nm/min[2]—
Recipe3 minimum etch rate125 nm/min[2]—
Recipe4 minimum etch rate153 nm/min[2]—
Recipe5 minimum etch rate175 nm/min[2]—
Recommended minimum etch duration15 min[2]—
model—110 SE[1]
application focus—process development applications[1]
process capability—deep silicon plasma etching[1]
capabilities—very high aspect ratio trench etch and profile control[1]
configuration—multiple configurations with minimum technical intervention[1]
System type—plasma etch system[3]
Supported components—MEMS and 3D-IC components[1]
Control capability—very high aspect ratio trench etch and profile control[3]
Physical description—compact[1]

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Sources (3)Every fact above is drawn from these public sources
  1. [1]web.archive.orgweb.archive.org
  2. [2]epfl.chepfl.ch
  3. [3]waferpedia.comwaferpedia.com