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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.
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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.
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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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