Thermal Processing
Thermal processes are used for thermal oxidation of silicon, annealing of radiation damage after ion beam treatment and for electrical activation of dopants as well as for drive-in-diffusion after ion implantation. For this purpose the following facilities are available.
INOTHERM Quartz Tube Thermal Diffusion Oven
| Operating temperature | 300...1150 °C | |
| Process gases |
O2 (wet and dry), O2+HCl, N2, N2+5%H2, Ar+7%H2 |
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| Wafer diameter | max. 150 mm | |
| Wafer quantity | max. 50 | |
| Processes |
Dry oxidation |
Growth of high quality gate oxides, dox = (10...360) nm Gases: dry O2, dry O2+3% HCl Temperature range: (900...1100) °C |
|
Wet oxidation |
Growth of thick field oxides, dox= (200...1500) nm |
|
| Annealing | Annealing of radiation defects after ion implantation Drive-in-diffusion after implantation Metal contact forming Gases: N2, Ar, N2+5%H2, Ar+7% H2 Temperature range: (300...1150) °C |
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Allwin AccuThermo AW610 Rapid Thermal Processing
| System | Two-wall and DI-water cooled quarz chamber |
| Wafer diameter | max. 100 mm |
| Wafer quantity | Single wafer tray |
| Processes | Rapid thermal annealingof radiation defects after ion implantation with minimized broadening and in-diffusion of implanted profiles. Rapid thermal oxydation with dox < 20 nm , nitridation and silicide forming. |
| Gases: N2, Ar, O2, N2+5%H2 or Ar+7%H2 all of 5.0 purity Temperature range: 400 °C to 1200 °C Processing time: 5 s to 300 s |