Specific Process Knowledge/Etch/III-V ICP/InP-InGaAsP-InGaAs: Difference between revisions
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=== InP/InGaAsP/InGaAs etch === | === InP/InGaAsP/InGaAs etch === | ||
Revision as of 11:41, 1 August 2016
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InP/InGaAsP/InGaAs etch
Unselective etch for large sized features and small aspect ratios by David Larsson, DTU Photonics, 2011
| Recipe | InP Etch 1/InP Precond 1 |
| Cl2 flow | 20 sccm |
| N2 flow | 40 sccm |
| Ar flow | 10 sccm |
| Platen power | 100 W |
| Coil power | 500 W |
| Pressure | 2 mTorr |
| Platen chiller temperature | 180 oC |
| Results (InP Etch 1) | |
| Etch rate | 500-600 nm/min |
| Sidewall angle | 86-87 o |
| Selectivity (InP:SiO2, InP:HSQ) | 50:1 |
- Result of InP etching. David Larsson, DTU Photonics, 2011
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