Specific Process Knowledge/Etch/DRIE-Pegasus/nanoetch: Difference between revisions
No edit summary |
No edit summary |
||
| Line 105: | Line 105: | ||
| Std. Dev||36||29||37||20||9||9||9||8||6 | | Std. Dev||36||29||37||20||9||9||9||8||6 | ||
|- | |- | ||
! colspan=" | ! colspan="10" align="center"| Sidewall angle (degrees) | ||
|- | |- | ||
| Averages||93||94||92||94||91||91||90||90||90 | | Averages||93||94||92||94||91||91||90||90||90 | ||
|- | |- | ||
| Std. Dev||1||1||0||1||0||0||1||0 | | Std. Dev||1||1||0||1||0||0||1||0||0 | ||
|- | |- | ||
! colspan=" | ! colspan="10" align="center"| CD loss (nm pr edge) | ||
|- | |- | ||
| Averages||-11||-13||-17||-10||-10||-10||-20||-13||-24 | | Averages||-11||-13||-17||-10||-10||-10||-20||-13||-24 | ||
| Line 117: | Line 117: | ||
| Std. Dev||12||10||11||14||15||15||16||15||21 | | Std. Dev||12||10||11||14||15||15||16||15||21 | ||
|- | |- | ||
|! colspan=" | |! colspan="10" align="center"| Bowing (nm) | ||
|- | |- | ||
| Averages||31||42||13||16||6||6||3||-3 | | Averages||31||42||13||16||6||6||3||-3||0 | ||
|- | |- | ||
| Std. Dev||7||6||4||3||2||2||2||3||1 | | Std. Dev||7||6||4||3||2||2||2||3||1 | ||
|- | |- | ||
! colspan=" | ! colspan="10" align="center"| Botton curvature | ||
|- | |- | ||
| Averages||-45||-45||-44||-43||-32||-32||-34||-32||-39 | | Averages||-45||-45||-44||-43||-32||-32||-34||-32||-39 | ||
Revision as of 09:59, 10 May 2011
| Recipe | nano1.0 | nano1.1 | nano1.2 | nano1.3 | nano1.21 | nano1.4 | nano1.41 | nano1.42 | nano1.43 |
|---|---|---|---|---|---|---|---|---|---|
| C4F8 (sccm) | 52 | 52 | 52 | 52 | 75 | 75 | 75 | 75 | 75 |
| SF6 (sccm) | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 |
| O2 (sccm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Coil power (W) | 800 (forward) | 600 (forward) | 800 (forward) | 600 (forward) | 800 (forward) | 800 (forward) | 800 (forward) | 800 (forward) | 800 (forward) |
| Platen power (W) | 50 | 50 | 50 | 40 | 50 | 50 | 75 | 40 | 30 |
| Pressure (mtorr) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Temperature (degs C) | 10 | 10 | -10 | -10 | -10 | -20 | -20 | -20 | -20 |
| Process time (s) | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 |
| Etch rates (nm/min) | |||||||||
| Averages | 295 | 228 | 299 | 235 | 183 | 183 | 166 | 160 | 148 |
| Std. Dev | 36 | 29 | 37 | 20 | 9 | 9 | 9 | 8 | 6 |
| Sidewall angle (degrees) | |||||||||
| Averages | 93 | 94 | 92 | 94 | 91 | 91 | 90 | 90 | 90 |
| Std. Dev | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| CD loss (nm pr edge) | |||||||||
| Averages | -11 | -13 | -17 | -10 | -10 | -10 | -20 | -13 | -24 |
| Std. Dev | 12 | 10 | 11 | 14 | 15 | 15 | 16 | 15 | 21 |
| Bowing (nm) | |||||||||
| Averages | 31 | 42 | 13 | 16 | 6 | 6 | 3 | -3 | 0 |
| Std. Dev | 7 | 6 | 4 | 3 | 2 | 2 | 2 | 3 | 1 |
| Botton curvature | |||||||||
| Averages | -45 | -45 | -44 | -43 | -32 | -32 | -34 | -32 | -39 |
| Std. Dev | 5 | 7 | 4 | 9 | 10 | 10 | 9 | 8 | 9 |
| Images | Images | Images | Images | Images | Images | Images | Images | Images | Images |
The nanoetch