Process information for low-stress nitride (LSN2) with very high uniformity (<1.5%), and somewhat higher stress than standard LSN (LSN1), deposited on LPCVD Nitride (Tube 2).
Recipe parameters
Recipe name | VNIT.002 |
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Temperature L/C/S (°C) | 830/835/840 |
DCS flow (sccm) | 60 |
NH₃ flow (sccm) | 15 |
Process pressure (mTorr) | 150 |
Results
Deposition time (HH:MM:SS) | 00:56:00 |
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Mean thickness (nm) | 202.4 |
Uniformity, SUP (%) | 1.1 |
Deposition rate (nm/min) | 3.6 |
Refractive index (λ = 633 nm) | 2.15 |
Stress (MPa) | 230 (tensile) |