Specific Process Knowledge/Etch/ICP Metal Etcher/silicon oxide: Difference between revisions
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==SiO2 etch nLOF== | ==SiO2 etch nLOF== | ||
{| border="2" cellspacing="2" cellpadding="3" | |||
|-style="background:Gray; color:White" | |||
!Parameter | |||
!Resist mask | |||
|- | |||
|Coil Power [W] | |||
|800 | |||
|- | |||
|Platen Power [W] | |||
|100 | |||
|- | |||
|Platen temperature [<sup>o</sup>C] | |||
|0 | |||
|- | |||
|CF<sub>4</sub> flow [sccm] | |||
|30 | |||
|- | |||
|H<sub>2</sub> flow [sccm] | |||
|10 | |||
|- | |||
|Pressure [mTorr] | |||
|4 | |||
|- | |||
|} | |||
{| border="2" cellspacing="2" cellpadding="3" | |||
|-style="background:Black; color:White" | |||
!Results | |||
!Test on wafer with 50% load (Travka 50), by BGHE @danchip | |||
|- | |||
|Etch rate of thermal oxide | |||
|'''>110 nm/min (50% etch load) (09-03-2015)''' | |||
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|- | |||
|Selectivity to resist [:1] | |||
|'''<0.7:1''' (SiO2:resist) | |||
|- | |||
|Wafer uniformity (100mm) | |||
| | |||
|- | |||
|Profile [<sup>o</sup>] | |||
|Not known | |||
|- | |||
|Wafer uniformity map (click on the image to view a larger image) | |||
|Not Known | |||
|- | |||
|SEM profile images | |||
|NONE | |||
|- | |||
|Etch rate in nLOF resist | |||
|1.6µm was removed after 10min | |||
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