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*[[Specific Process Knowledge/Etch/DRIE-Pegasus/FAQ|Miscellaneous information]]
*[[Specific Process Knowledge/Etch/DRIE-Pegasus/FAQ|Miscellaneous information]]
==Equipment performance and process related parameters==
{| border="2" cellspacing="0" cellpadding="2"
!colspan="2" border="none" style="background:silver; color:black;" align="center"|Equipment
|style="background:WhiteSmoke; color:black"|<b>DRIE-Pegasus</b>
|-
!style="background:silver; color:black;" align="center" width="80"|Purpose
|style="background:LightGrey; color:black"| Dry etch of
|style="background:WhiteSmoke; color:black"|
* Silicon
* Barc
|-
!style="background:silver; color:black" align="center" valign="center" rowspan="2"|Performance
|style="background:LightGrey; color:black"|Etch rates
|style="background:WhiteSmoke; color:black"|
* Standard processes A and B up to 15 µm/min depending on etch load and feature size
* Other processes: Any number from 200 nm/min to 10 µm/min
|-
|style="background:LightGrey; color:black"|Uniformity
|style="background:WhiteSmoke; color:black"|
* For standard processes better than 3 % across a 150 mm wafer.
|-
!style="background:silver; color:black" align="center" valign="center" rowspan="4"|Process parameter range
|style="background:LightGrey; color:black"|RF powers
|style="background:WhiteSmoke; color:black"|
* Coil Power 5 kW
* Platen power 300/500 W (HF/LF)
|-
|style="background:LightGrey; color:black"|Gas flows
|style="background:WhiteSmoke; color:black"|
* SF<sub>6</sub>: 0 to 1200 sccm
* O<sub>2</sub>: 0 to 200 sccm
* C<sub>4</sub>F<sub>8</sub>: 0 to 400 sccm
* Ar: 0 to 283 sccm
|-
|style="background:LightGrey; color:black"|Pressure and temperature
|style="background:WhiteSmoke; color:black"|
* Pressure range 4 to 250 mTorr
* Temperature range -20 to 30 degrees C
|-
|style="background:LightGrey; color:black"|Process options
|style="background:WhiteSmoke; color:black"|
* Bosch processes with etch and dep cycles possibly split into three individually controllable parts
* Parameter ramping during process steps
* SOI option to reduce notching at buried
|-
!style="background:silver; color:black" align="center" valign="center" rowspan="3"|Substrates
|style="background:LightGrey; color:black"|Batch size
|style="background:WhiteSmoke; color:black"|
*<nowiki>#</nowiki> small samples on carriers
*<nowiki>#</nowiki> 50 mm wafers: Bonded to carriers
*<nowiki>#</nowiki> 100 mm wafers: Up to 18 wafers in a batch process
*<nowiki>#</nowiki> 150 mm wafers: 1 wafer
|-
| style="background:LightGrey; color:black"|Allowed materials
|style="background:WhiteSmoke; color:black"|
* Silicon wafers
* Quartz wafers need a (semi)conducting layer for clamping
|-
| style="background:LightGrey; color:black"|Possible masking materials
|style="background:WhiteSmoke; color:black"|
* AZ photoresist
* zep resist
* DUV stepper resist (barc + krf)
* Oxides and nitrides
* Aluminium (only very mild processes such as process C and nanoetches)
|}