Specific Process Knowledge/Etch/DRIE-Pegasus/FAQ/Nanoetch: Difference between revisions
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:Congratulations of your new addition! I can suggest a starting point for this but it would probably be best to wait until you can send me the additional details. | :Congratulations of your new addition! I can suggest a starting point for this but it would probably be best to wait until you can send me the additional details. | ||
Three different examples of etch are shown here. The masking material was zep520A (80 nm). | |||
{| border="1" cellspacing="1" cellpadding="2" align="left" | |||
! Vertical sidewalls | |||
! Low ARDE | |||
! Positive tappered side walls | |||
|- | |||
| [[Image:WF_2A_n5_jan02_06_1x_100_75.jpg|250x250px]] | |||
|[[Image:WF_2C_n5_nov3_06_1x_100_75.jpg|250x250px]] | |||
|[[Image:WF_2D_n6_sep19_05_1x_100_75.jpg|250x250px]] | |||
|- | |||
|[[Image:WF_2A_n5_jan02_06_3x_overview.jpg|250x250px]] | |||
|[[Image:WF_2C_n5_nov3_06_overview.jpg|250x250px]] | |||
|[[Image:WF_2D_n6_sep19_05_1x_overview.jpg|250x250px]] | |||
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Etch cycle | |||
*SF6 flow [sccm]:50 | |||
*C4F8 flow [sccm]:100 | |||
*Pressure [mTorr] 20 | |||
*Coil power [W]: 350 | |||
*Platen power [W]: 30 | |||
*Cycle Time [s]: 5 | |||
Dep. Cycle | |||
*C4F8 flow [sccm]: 100 | |||
*Pressure [mTorr]: 20 | |||
*Coil power [W]: 500 | |||
*Platen power [W]: 0 | |||
*Cycle Time [s]: 3 | |||
*Temperature [Deg. C] 20 | |||
Results: | |||
*Etch rate of 100nm lines: 146nm/min @etch time: 1:36min. | |||
| | |||
Etch cycle | |||
*SF6 flow [sccm]:50 | |||
*C4F8 flow [sccm]:100 | |||
*Pressure [mTorr] 10 | |||
*Coil power [W]: 350 | |||
*Platen power [W]: 30 | |||
*Cycle Time [s]: 5 | |||
Dep. Cycle | |||
*C4F8 flow [sccm]: 100 | |||
*Pressure [mTorr]: 10 | |||
*Coil power [W]: 500 | |||
*Platen power [W]: 0 | |||
*Cycle Time [s]: 3 | |||
*Temperature [Deg. C] -10 | |||
Results: | |||
*Etch rate of 100nm lines: 131nm/min @etch time: 1:36min. | |||
| | |||
Etch cycle | |||
*SF6 flow [sccm]:50 | |||
*C4F8 flow [sccm]:100 | |||
*Pressure [mTorr] 10 | |||
*Coil power [W]: 350 | |||
*Platen power [W]: 10 | |||
*Cycle Time [s]: 5 | |||
Dep. Cycle | |||
*C4F8 flow [sccm]: 100 | |||
*Pressure [mTorr]: 10 | |||
*Coil power [W]: 500 | |||
*Platen power [W]: 0 | |||
*Cycle Time [s]: 3 | |||
*Temperature [Deg. C] 20 | |||
Results: | |||
*Etch rate of 100nm lines: 209nm/min @etch time: 2:56min. | |||
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; Question | ; Question | ||