Specific Process Knowledge/Etch/Etching of Silicon Oxide/SiO2 etch using ASE/ICP recipe for SiO2: Difference between revisions
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Further tests will be done, testing these recipes' etch rates regarding silicon and silicon nitride, since this recipe can be used for overetch. | |||
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Revision as of 16:46, 30 May 2023
This recipe was taken from the ICP Metal etch, with a slight difference in the platen temperature.
Parameter | Recipe name: SiO2_ICP |
---|---|
Coil Power [W] | 1000 |
Platen Power [W] | 200 |
Platen temperature [oC] | 20 |
C4F8 flow [sccm] | 10 |
H2 flow [sccm] | 28 |
Pressure [mTorr] | 2.5 |
Results when etching a patterned wafer
Further tests will be done, testing these recipes' etch rates regarding silicon and silicon nitride, since this recipe can be used for overetch.