Specific Process Knowledge/Etch/ICP Metal Etcher: Difference between revisions
Appearance
| Line 197: | Line 197: | ||
*[[Specific Process Knowledge/Etch/DRIE-Pegasus/nanoetch|Nanoetch on DRIE-Pegasus]] | *[[Specific Process Knowledge/Etch/DRIE-Pegasus/nanoetch|Nanoetch on DRIE-Pegasus]] | ||
*[[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinano1|1 - the first nanoetch]] | *[[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinano1|1 - the first nanoetch]] | ||
{| border="2" cellspacing="1" cellpadding="3" align="center" | |||
!Recipe Sinano | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinano3|3.0]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinano31|3.1]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinano32|3.2]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinan33|3.3]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinano34|3.4]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinano4|4.0]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinano35|3.5]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinano36|3.6]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinan33-2|3.3]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinan37|3.7]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinan331|3.31]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinan331-2|3.31]] | |||
![[Specific Process Knowledge/Etch/ICP Metal Etcher/Sinan332|3.32]] | |||
|- | |||
! colspan="14" align="center"| Etch rates (nm/min) | |||
|- | |||
| Averages||311||104||92||105||116||169||108||79||101||66||91||98||59 | |||
|- | |||
| Std. Dev||44||15||15||21||22||9||11||31||29||4||28||18||12 | |||
|- | |||
! colspan="14" align="center"| Zep etch rate (nm/min) | |||
|- | |||
| || ||30||40||51||67|| || ||45||59|| ||53||36||19 | |||
|- | |||
! colspan="14" align="center"| Sidewall angle (degrees) | |||
|- | |||
| Averages||82||82||82||82||82||84||81||83||83||85||80||83||79 | |||
|- | |||
| Std. Dev||2||2||1||1||1||1||1||2||2||1||3||2||2 | |||
|- | |||
! colspan="14" align="center"| CD loss (nm pr edge) | |||
|- | |||
| Averages||65||-11||-15||-2||-11||67||63||-29||-5||-29||10||-14||-17 | |||
|- | |||
| Std. Dev||30||5||2||4||3||29||27||6||5||8||7||8||10 | |||
|- | |||
! colspan="14" align="center"| Bowing (nm) | |||
|- | |||
| Averages||31||31||15||6||5||22||12||15||28||13||25||1||-2 | |||
|- | |||
| Std. Dev||6||7||3||6||4||5||2||6||9||7||5||2||2 | |||
|- | |||
! colspan="14" align="center"| Botton curvature | |||
|- | |||
| Averages||-9||-6||-9||-11||-9||9||-4||-8||-24||-2||-9||-13||-10 | |||
|- | |||
| Std. Dev||22||19||19||11||7||17||15||15||12||15||13||17||18 | |||
|- | |||
|} | |||
Revision as of 20:56, 10 May 2011
Etching of nanostructures in silicon using the ICP Metal Etcher or DRIE Pegasus
- The 180 nm zep resist profiles (Wafer WF_2B1_feb06_2011)
- The 340 nm zep resist profiles (Wafer WF_2C1_feb2011)
- The 211 nm zep resist profiles (Wafer WF_2E02_mar23_2011)
| Recipe Sinano | 3.0 | 3.1 | 3.2 | 3.3 | 3.4 | 4.0 | 3.5 | 3.6 | 3.3 | 3.7 | 3.31 | 3.31 | 3.32 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cl2 (sccm) | 0 | 0 | 0 | 0 | 0 | 20 | 15 | 15 | 0 | 0 | 0 | 0 | 0 |
| BCl3 (sccm) | 5 | 3 | 5 | 5 | 5 | 0 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| HBr (sccm) | 15 | 17 | 15 | 15 | 15 | 0 | 0 | 0 | 15 | 15 | 15 | 15 | 15 |
| Coil power (W) | 900 L | 900 F | 900 F | 900 F | 900 F | 900 L | 900 L | 900 F | 900 F | 900 L | 900 F | 900 F | 900 F |
| Platen power (W) | 50 | 50 | 60 | 75 | 90 | 60 | 60 | 60 | 75 | 60 | 75 | 75 | 30 |
| Pressure (mtorr) | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 10 | 2 | 10 | 2 | 2 | 2 |
| Temperature (oC) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 50 | 50 | 50 | 50 |
| Spacers (mm) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 30 | 100 |
| Process time (s) | 150 | 180 | 120 | 180 | 120 | 90 | 120 | 180 | 300 | 180 | 180 | 180 | 180 |
| Etch rates (nm/min) | |||||||||||||
| Averages | 311 | 104 | 92 | 105 | 116 | 169 | 108 | 79 | 101 | 66 | 91 | 98 | 59 |
| Std. Dev | 44 | 15 | 15 | 21 | 22 | 9 | 11 | 31 | 29 | 4 | 28 | 18 | 12 |
| Zep etch rate (nm/min) | |||||||||||||
| 30 | 40 | 51 | 67 | 45 | 59 | 53 | 36 | 19 | |||||
| Sidewall angle (degrees) | |||||||||||||
| Averages | 82 | 82 | 82 | 82 | 82 | 84 | 81 | 83 | 83 | 85 | 80 | 83 | 79 |
| Std. Dev | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 3 | 2 | 2 |
| CD loss (nm pr edge) | |||||||||||||
| Averages | 65 | -11 | -15 | -2 | -11 | 67 | 63 | -29 | -5 | -29 | 10 | -14 | -17 |
| Std. Dev | 30 | 5 | 2 | 4 | 3 | 29 | 27 | 6 | 5 | 8 | 7 | 8 | 10 |
| Bowing (nm) | |||||||||||||
| Averages | 31 | 31 | 15 | 6 | 5 | 22 | 12 | 15 | 28 | 13 | 25 | 1 | -2 |
| Std. Dev | 6 | 7 | 3 | 6 | 4 | 5 | 2 | 6 | 9 | 7 | 5 | 2 | 2 |
| Botton curvature | |||||||||||||
| Averages | -9 | -6 | -9 | -11 | -9 | 9 | -4 | -8 | -24 | -2 | -9 | -13 | -10 |
| Std. Dev | 22 | 19 | 19 | 11 | 7 | 17 | 15 | 15 | 12 | 15 | 13 | 17 | 18 |
| Recipe Sinano | 3.0 | 3.1 | 3.2 | 3.3 | 3.4 | 4.0 | 3.5 | 3.6 | 3.3 | 3.7 | 3.31 | 3.31 | 3.32 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Etch rates (nm/min) | |||||||||||||
| Averages | 311 | 104 | 92 | 105 | 116 | 169 | 108 | 79 | 101 | 66 | 91 | 98 | 59 |
| Std. Dev | 44 | 15 | 15 | 21 | 22 | 9 | 11 | 31 | 29 | 4 | 28 | 18 | 12 |
| Zep etch rate (nm/min) | |||||||||||||
| 30 | 40 | 51 | 67 | 45 | 59 | 53 | 36 | 19 | |||||
| Sidewall angle (degrees) | |||||||||||||
| Averages | 82 | 82 | 82 | 82 | 82 | 84 | 81 | 83 | 83 | 85 | 80 | 83 | 79 |
| Std. Dev | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 3 | 2 | 2 |
| CD loss (nm pr edge) | |||||||||||||
| Averages | 65 | -11 | -15 | -2 | -11 | 67 | 63 | -29 | -5 | -29 | 10 | -14 | -17 |
| Std. Dev | 30 | 5 | 2 | 4 | 3 | 29 | 27 | 6 | 5 | 8 | 7 | 8 | 10 |
| Bowing (nm) | |||||||||||||
| Averages | 31 | 31 | 15 | 6 | 5 | 22 | 12 | 15 | 28 | 13 | 25 | 1 | -2 |
| Std. Dev | 6 | 7 | 3 | 6 | 4 | 5 | 2 | 6 | 9 | 7 | 5 | 2 | 2 |
| Botton curvature | |||||||||||||
| Averages | -9 | -6 | -9 | -11 | -9 | 9 | -4 | -8 | -24 | -2 | -9 | -13 | -10 |
| Std. Dev | 22 | 19 | 19 | 11 | 7 | 17 | 15 | 15 | 12 | 15 | 13 | 17 | 18 |