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'''Feedback to this page''': '''[mailto:labadviser@danchip.dtu.dk?Subject=Feed%20back%20from%20page%20http://labadviser.danchip.dtu.dk/index.php/Specific_Process_Knowledge/Etch/III-V_ICP/GaN click here]'''  
'''Feedback to this page''': '''[mailto:labadviser@nanolab.dtu.dk?Subject=Feed%20back%20from%20page%20http://labadviser.nanolab.dtu.dk/index.php/Specific_Process_Knowledge/Etch/III-V_ICP/GaN click here]'''  
<!--Checked for updates on 11/2-2019 - ok/jmli -->
<!-- reviewed by bghe 31/3 2025-->


 
===GaN etching using III-V ICP===
===GaN etching===


{| border="1" cellspacing="2" cellpadding="3"   
{| border="1" cellspacing="2" cellpadding="3"   
|'''Recipe'''
|'''Recipe'''
|'''GaN Etch'''
|'''GaN Etch'''
|'''GaN Etch for Si check'''
|-  
|-  
|Cl<sub>2</sub> flow
|Cl<sub>2</sub> flow
|30 sccm
|30 sccm
|27 sccm
|-
|-
|Ar flow
|Ar flow
|10 sccm
|10 sccm
|3 sccm
|-
|BCl3 flow
|0 sccm
|3 sccm
|-
|-
|Platen power
|Platen power
|200 W
|200 W
|75 W
|-
|-
|Coil power
|Coil power
|600 W
|600 W
|400 W
|-  
|-  
|Pressure
|Pressure
|2 mTorr
|2 mTorr
|4 mTorr
|-
|-
|Platen chiller  temperature
|Platen chiller  temperature
|20 <sup>o</sup>C
|20 <sup>o</sup>C
|20 <sup>o</sup>C
|-
|-
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|~ 90 <sup>o</sup>
|~ 90 <sup>o</sup>
|-
|-
|}
{| border="1" cellspacing="2" cellpadding="3"  align="left"
|colspan="2" align="center"| '''Results (GaN Etch for Si check)'''
|-
|Si etch rate
|~200 nm/min (bghe 2017-01-17) full 4" wafer
|}
|}


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|-  
|-  
|}
|}


{| border="1" cellspacing="2" cellpadding="3"   
{| border="1" cellspacing="2" cellpadding="3"   
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