Waferpedia

Comparison ledger

APSversus1512e

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

Side-by-side comparison of selected equipment models
Attribute
APSSPTS
1512eTegal
OEMSPTSTegal
CategoryEtchEtch
Wafer size——
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
FamilySPTS APSTegal 1512e
Specifications
System typeICP-based high density plasma source[1]—
Optimization targetDielectric etching[1]—
Processing modeSingle wafer processing[1]—
ClampingElectrostatic clamping[1]—
End-point detectionOptical Emission Spectroscopy (EOS) and laser reflectometry/interferometry[1]—
Gases availableO2, Ar, CHF3, He, C4F8, SF6, H2[1]—
Plasma source typeICP (inductively coupled plasma) high density plasma source[1]—
Available gasesO2 (0-100 sccm), Ar (0-100 sccm), CHF3 (0-100 sccm), He (0-500 sccm), C4F8 (0-100 sccm), SF6 (0-100 sccm & 0-500 sccm), H2 (0-50 sccm)[1]—
Wafer clampingElectrostatic clamping (no EBR required)[1]—
Wafer voltage biasingIndependent from the ICP[1]—
Process chamberSingle wafer processing with loadlock[1]—
Process typeICP-based high density plasma source[1]—
Etch materialsDielectrics: SiO2, SixNy, SiC, Al2O3, glass types[1]—
Wafer biasWafer voltage biasing independent from the ICP[1]—
Wafer handlingLoadlock/chamber transfers for single wafer processing[1]—
AutomationControl software offering fully automated processes[1]—
Process gasesO2 (0-100 sccm), He (0-500 sccm), SF6 (0-100 sccm), H2 (0-50 sccm), plus Ar, CHF3, C4F8[1]—
Stated processesBARC_Slow, Si3N4_Smooth, SiO2_PR_1:1, SiO2_PR_2:1, SiO2_PR_3:1, SiO2_PR_3:1_SOFT, SiO2_PR_5:1, SiO2_PR_soft, Pi_vertical, Pi_tapered, Fused_silica, Pyrex, LiNbO3_wafers, Chamber clean[1]—
Chuck temperature10 °C for most processes, 20 °C for fused silica, 25 °C for Pyrex, -10 °C for LiNbO3[1]—
Maximum etch time20 minutes for processes marked with *; longer etches are split into steps with an automatic O2 dry clean between each[1]—
Wafer cooling checkHelium leak-up rate (LUR) must not exceed 200 mtorr/min[1]—
Plasma sourceICP-based high density plasma source[1]—
Wafer biasingIndependent from ICP[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