Specific Process Knowledge/Etch/AOE (Advanced Oxide Etch)/Si etch using AOE
Feedback to this page: click here
Si mask etch has been tried out by Yunhong Ding @ Fotonik
Parameter | Recipe name: Si_etch |
---|---|
Coil Power [W] | 800 |
Platen Power [W] | 30 |
Platen temperature [oC] | 20 |
CFailed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle _4} FFailed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle _8} flow [sccm] | 55 |
SFFailed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle _6} flow [sccm] | 75 |
Pressure [mTorr] | 20 |
Typical results | Resist mask | Resist mask |
---|---|---|
Si etch rate | ~1.12 µm/min - tested by Yunhong Ding @fotonik | ~1.68 µm/min - tested by bge@danchip |
Selectivity to photo resist | 1:~2.6 - tested by Yunhong Ding @fotonik | 1:~4 - tested by bge@danchip |
Etch rate in SiO2 | ~0.34 µm/min - tested by Yunhong Ding @fotonik | 0.4 µm/min - tested by bge@danchip |
Profile [o] | not tested | not tested |
Images | . | . |
Comments | The profile is supposed to be ~88dg but it has not been confirmed | . |
Etch rate in silicon rich nitride from furnace B2 | Etched 119nm in 1 min - test by bge@danchip October 2015 | . |