Waferpedia

Comparison ledger

Synapseversus1512e

SPTS Synapse, Tegal 1512e, side by side. Every value shown is drawn from the cited encyclopedia entries.

Side-by-side comparison of selected equipment models
Attribute
1512eTegal
OEMSPTSTegal
CategoryEtchEtch
Wafer size——
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
FamilySPTS SynapseTegal 1512e
Specifications
Plasma sourceICP-based high density plasma source[1]—
Dedicated materialsEtching of SiO2 and SixNy layers[1]—
Wafer handlingLoadlock/chamber transfers for single wafer processing[1]—
Clamp typeElectrostatic clamping[1]—
Endpoint detectionOptical Emission Spectroscopy (EOS) and laser reflectometry/interferometry[1]—
Gases availableO2, Ar, He, H2, SF6, C4F8, CF4, CHF3[1]—
Gas flow ratesO2 0-200 sccm; Ar 0-140 sccm; He 0-500 sccm; H2 0-100 sccm; SF6 0-200 sccm; C4F8 0-60 sccm; CF4 0-50 sccm; CHF3 0-100 sccm[1]—
Etch rate (SiO2)320 nm/min (with C4F8/H2/He chemistry and PR mask); 400 nm/min (with C4F8/H2/He chemistry and PR mask, APS_SiO2_PR_3:1 process)[1]—
Etch rate (Si3N4)180 nm/min (with CHF3/SF6/H2 chemistry, smooth process); 190 nm/min (with CHF3/SF6 chemistry, APS_Si3N4_Smooth process)[1]—
Selectivity (SiO2 to PR mask)4:1[1]—
Selectivity (Si3N4 to PR mask)>2.5:1 (smooth process); >1.5:1 (APS process)[1]—
Process typeICP-based high density plasma source[1]—
Etch rate for SiO2 (PR mask, process 00_CMi_SiO2_PR)320 nm/min[1]—
Selectivity SiO2 to PR (process 00_CMi_SiO2_PR)4:1[1]—
Etch rate for Si3N4 (smooth process)190 nm/min[1]—
Selectivity Si3N4 to PR (smooth process)>1.5:1[1]—
Tool type—Industrial RIE plasma etcher system[2]
Stated configuration—With modules assembly for CI-4222[2]

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