Difference between revisions of "Dry Etching Recipes"

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===<u>[[Process Group - Process Control Data#Etching .28Process Control Data.29|Process Control Data]]</u>===
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{{Recipe Table Explanation}}
  
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<small>''See above [[Process Group - Process Control Data#Etching .28Process Control Data.29|linked page]] for [https://en.wikipedia.org/wiki/Statistical_process_control process control data] (dep rate/stress etc. over time), for a selection of often-used dry etches''</small>
   
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===Dry Etching Tools/Materials Table===
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''The Key/Legend for this table's <code>A...R5</code> values is at the [[Dry Etching Recipes#Process Ranking Table|bottom of the page]].''
 
{| class="wikitable" style="border: 1px solid #D0E7FF; background-color:#ffffff; text-align:center; font-size: 95%" border="1"
  
{| class="wikitable" style="border: 1px solid #D0E7FF; background-color:#ffffff; text-align:center; font-size: 95%" border="1"
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|-
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! colspan="17" width="725" height="45" |<div style="font-size: 150%;">Dry Etching Recipes</div>
 
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| bgcolor="#eaecf0" |<!-- INTENTIONALLY LEFT BLANK -->
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! colspan="18" width="725" height="45" |<div style="font-size: 150%;">Dry Etching Recipes</div>
  
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|<!-- INTENTIONALLY LEFT BLANK -->
  
 
! colspan="3" |'''[[RIE Etching Recipes|RIE Etching]]'''
  
! colspan="3" |'''[[RIE Etching Recipes|RIE Etching]]'''
 
! colspan="6" |'''[[ICP Etching Recipes|ICP Etching]]'''
  
! colspan="6" |'''[[ICP Etching Recipes|ICP Etching]]'''
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! colspan="5" bgcolor="#d0e7ff" align="center" |'''[[Oxygen Plasma System Recipes|Oxygen Plasma Systems]]'''
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! colspan="4" bgcolor="#d0e7ff" align="center" |'''[[Oxygen Plasma System Recipes|Oxygen Plasma Systems]]'''
 
! colspan="3" bgcolor="#d0e7ff" align="center" |'''[[Other Dry Etching Recipes|Other Dry Etchers]]'''
  
! colspan="3" bgcolor="#d0e7ff" align="center" |'''[[Other Dry Etching Recipes|Other Dry Etchers]]'''
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|-
  
 
! bgcolor="#d0e7ff" align="center" |'''Material'''
  
! bgcolor="#d0e7ff" align="center" |'''Material'''
 
| bgcolor="#daf1ff" |[[RIE_Etching_Recipes#RIE_2_.28MRC.29|RIE 2<br> <span style="font-size: 88%;">(MRC)</span>]]
  
| bgcolor="#daf1ff" |[[RIE_Etching_Recipes#RIE_2_.28MRC.29|RIE 2<br> <span style="font-size: 88%;">(MRC)</span>]]
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| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#DSEIII_.28PlasmaTherm.2FDeep_Silicon_Etcher.29|DSEIII<br><span style="font-size: 88%;">(PlasmaTherm)</span>]]
  
| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#DSEIII_.28PlasmaTherm.2FDeep_Silicon_Etcher.29|DSEIII<br><span style="font-size: 88%;">(PlasmaTherm)</span>]]
 
| bgcolor="#daf1ff" |[[ICP Etching Recipes#PlasmaTherm.2FSLR Fluorine Etcher|Fluorine ICP <span style="font-size: 88%;">(PlasmaTherm)</span>]]
  
| bgcolor="#daf1ff" |[[ICP Etching Recipes#PlasmaTherm.2FSLR Fluorine Etcher|Fluorine ICP <span style="font-size: 88%;">(PlasmaTherm)</span>]]
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| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#ICP_Etch_1_.28Panasonic_E626I.29|ICP Etch 1<br><span style="font-size: 88%;">(Panasonic E626I)</span>]]
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| bgcolor="#daf1ff" |[[ICP Etching Recipes#ICP Etch 1 .28Panasonic E646V.29|ICP Etch 1<br><span style="font-size: 88%;">(Panasonic E646V)</span>]]
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| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#ICP_Etch_2_.28Panasonic_E640.29|ICP Etch 2<br><span style="font-size: 88%;">(Panasonic E640)</span>]]
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| bgcolor="#daf1ff" |[[ICP Etching Recipes#ICP Etch 2 .28Panasonic E626I.29|ICP Etch 2<br><span style="font-size: 88%;">(Panasonic E626I)</span>]]
 
| bgcolor="#daf1ff" |[[ICP Etching Recipes#Oxford ICP Etcher .28PlasmaPro 100 Cobra.29|Oxford ICP <span style="font-size: 88%;">(PlasmaPro 100)</span>]]
  
| bgcolor="#daf1ff" |[[ICP Etching Recipes#Oxford ICP Etcher .28PlasmaPro 100 Cobra.29|Oxford ICP <span style="font-size: 88%;">(PlasmaPro 100)</span>]]
 
| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#ICP-Etch_.28Unaxis_VLR.29|ICP-Etch<br><span style="font-size: 88%;">(Unaxis VLR)</span>]]
  
| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#ICP-Etch_.28Unaxis_VLR.29|ICP-Etch<br><span style="font-size: 88%;">(Unaxis VLR)</span>]]
 
| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#Ashers_.28Technics_PEII.29|Ashers<br><span style="font-size: 88%;">(Technics PEII)</span>]]
  
| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#Ashers_.28Technics_PEII.29|Ashers<br><span style="font-size: 88%;">(Technics PEII)</span>]]
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| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#Plasma_Clean_.28Gasonics_2000.29|Plasma Clean<br><span style="font-size: 88%;">(Gasonics 2000)</span>]]
  
 
| bgcolor="#daf1ff" |[[Oxygen Plasma System Recipes#Plasma Clean .28YES EcoClean.29|Plasma Clean <span style="font-size: 88%;">(YES EcoClean)</span>]]
  
| bgcolor="#daf1ff" |[[Oxygen Plasma System Recipes#Plasma Clean .28YES EcoClean.29|Plasma Clean <span style="font-size: 88%;">(YES EcoClean)</span>]]
 
| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#UV_Ozone_Reactor|UV Ozone Reactor]]
  
| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#UV_Ozone_Reactor|UV Ozone Reactor]]
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|{{rl|ICP Etching Recipes|Al Etch (Panasonic 1)}}
  
|{{rl|ICP Etching Recipes|Al Etch (Panasonic 1)}}
 
|{{rl|ICP Etching Recipes|Al Etch (Panasonic 2)}}
  
|{{rl|ICP Etching Recipes|Al Etch (Panasonic 2)}}
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|{{Rl|ICP Etching Recipes|Ru (Ruthenium) Etch (Panasonic 2)}}
  
|{{Rl|ICP Etching Recipes|Ru (Ruthenium) Etch (Panasonic 2)}}
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|{{rl|ICP Etching Recipes|DSEIII_(PlasmaTherm/Deep_Silicon_Etcher)}}
  
|{{rl|ICP Etching Recipes|DSEIII_(PlasmaTherm/Deep_Silicon_Etcher)}}
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|{{Rl|ICP Etching Recipes|Si Etching}}
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|[[ICP Etching Recipes#Si Etching .28Fluorine ICP Etcher.29|R3]]
 
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|{{rl|ICP Etching Recipes|Ti Etch (Panasonic 1)}}
  
|{{rl|ICP Etching Recipes|Ti Etch (Panasonic 1)}}
 
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|[https://wiki.nanotech.ucsb.edu/w/index.php?title=ICP_Etching_Recipes#Al2O3_Etching_.28Panasonic_2.29 R]
  
|[https://wiki.nanotech.ucsb.edu/w/index.php?title=ICP_Etching_Recipes#Al2O3_Etching_.28Panasonic_2.29 R]
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|{{rl|ICP Etching Recipes|Sapphire Etch (Panasonic 1)}}
  
|{{rl|ICP Etching Recipes|Sapphire Etch (Panasonic 1)}}
 
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|{{rl|ICP Etching Recipes|AlGaAs Etch (Panasonic 1)}}
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|{{rl|ICP Etching Recipes|GaAs-AlGaAs Etch (Panasonic 1)}}
 
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|[[ICP Etching Recipes#GaAs Etch .28Oxford ICP Etcher.29|R]]
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|[[ICP Etching Recipes#GaAs Etch .28Oxford ICP Etcher.29|R3]]
 
|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|GaAs-AlGaAs Etch (Unaxis VLR)|AlGaAs Etch (Unaxis VLR)}}
  
|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|GaAs-AlGaAs Etch (Unaxis VLR)|AlGaAs Etch (Unaxis VLR)}}
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|[[ICP Etching Recipes#GaN Etch .28Oxford ICP Etcher.29|R]]
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|[[ICP Etching Recipes#GaN Etch .28Oxford ICP Etcher.29|R2]]
 
|{{rl|ICP Etching Recipes|GaN Etch (Unaxis VLR)}}
  
|{{rl|ICP Etching Recipes|GaN Etch (Unaxis VLR)}}
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! bgcolor="#d0e7ff" align="center" |CdZnTe
  
! bgcolor="#d0e7ff" align="center" |CdZnTe
 
|{{rl|RIE Etching Recipes|CdZnTe Etch (RIE 2)}}
  
|{{rl|RIE Etching Recipes|CdZnTe Etch (RIE 2)}}
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|{{rl|ICP Etching Recipes|GaAs-AlGaAs_Etch_.28Panasonic_1.29}}
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|{{rl|ICP Etching Recipes|GaAs-AlGaAs Etch (Panasonic 1)}}
 
|{{rl|ICP Etching Recipes|GaAs Etch (Panasonic 2)}}
  
|{{rl|ICP Etching Recipes|GaAs Etch (Panasonic 2)}}
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|[[ICP Etching Recipes#GaAs Etch .28Oxford ICP Etcher.29|R]]
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|[[ICP Etching Recipes#GaAs Etch .28Oxford ICP Etcher.29|R3]]
 
|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|GaAs-AlGaAs Etch (Unaxis VLR)|GaAs Etch (Unaxis VLR)}}
  
|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|GaAs-AlGaAs Etch (Unaxis VLR)|GaAs Etch (Unaxis VLR)}}
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|{{rl|ICP Etching Recipes|GaN Etch (Unaxis VLR)}}
  
|{{rl|ICP Etching Recipes|GaN Etch (Unaxis VLR)}}
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|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|GaSb Etch Unaxis VLR)}}
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|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|InP-InGaAs-InAlAs Etch (Unaxis VLR)|InP Etch (Unaxis VLR)}}
  
|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|InP-InGaAs-InAlAs Etch (Unaxis VLR)|InP Etch (Unaxis VLR)}}
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|[[ICP Etching Recipes#InP Ridge Etch .28Oxford ICP Etcher.29|R3]]
 
|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|InP-InGaAs-InAlAs Etch (Unaxis VLR)|InP Etch (Unaxis VLR)}}
  
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|[[ICP Etching Recipes#InP Ridge Etch .28Oxford ICP Etcher.29|R6]]
 
|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|InP-InGaAs-InAlAs Etch (Unaxis VLR)|InP Etch (Unaxis VLR)}}
  
|{{rl|ICP Etching Recipes|ICP-Etch (Unaxis VLR)|InP-InGaAs-InAlAs Etch (Unaxis VLR)|InP Etch (Unaxis VLR)}}
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! bgcolor="#d0e7ff" align="center" |ITO
  
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|{{rl|RIE Etching Recipes|ITO Etch (RIE 2)}}
  
|{{rl|RIE Etching Recipes|ITO Etch (RIE 2)}}
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|[https://wiki.nanotech.ucsb.edu/wiki/RIE_Etching_Recipes#Photoresist_and_ARC_.28RIE_5.29 R]
  
|[https://wiki.nanotech.ucsb.edu/wiki/RIE_Etching_Recipes#Photoresist_and_ARC_.28RIE_5.29 R]
 
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|[https://wiki.nanotech.ucsb.edu/wiki/ICP_Etching_Recipes#Photoresist_.26_ARC_.28Fluorine_ICP_Etcher.29 R]
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|[https://wiki.nanotech.ucsb.edu/wiki/ICP_Etching_Recipes#Photoresist_.26_ARC_.28Fluorine_ICP_Etcher.29 R4]
 
|[https://wiki.nanotech.ucsb.edu/wiki/ICP_Etching_Recipes#Photoresist_and_ARC_Etching_.28Panasonic_1.29 R]
  
|[https://wiki.nanotech.ucsb.edu/wiki/ICP_Etching_Recipes#Photoresist_and_ARC_Etching_.28Panasonic_1.29 R]
 
|[https://wiki.nanotech.ucsb.edu/wiki/ICP_Etching_Recipes#Photoresist_and_ARC_etching_.28Panasonic_2.29 R]
  
|[https://wiki.nanotech.ucsb.edu/wiki/ICP_Etching_Recipes#Photoresist_and_ARC_etching_.28Panasonic_2.29 R]
 
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|[[Oxygen Plasma System Recipes#O2 Ashing|R]]
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|[[ICP Etching Recipes#Ru .28Ruthenium.29 Etch .28Panasonic 2.29|R]]
  
|[[ICP Etching Recipes#Ru .28Ruthenium.29 Etch .28Panasonic 2.29|R]]
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|{{rl|ICP Etching Recipes|SiC Etch (Panasonic 1)}}
  
|{{rl|ICP Etching Recipes|SiC Etch (Panasonic 1)}}
 
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|[[ICP Etching Recipes#Si3N4 Etching .28Fluorine ICP Etcher.29|R4]]
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|{{rl|ICP Etching Recipes|SiNx Etching (Panasonic 1)}}
  
|{{rl|ICP Etching Recipes|SiNx Etching (Panasonic 1)}}
 
|{{rl|ICP Etching Recipes|SiNx Etching (Panasonic 2)}}
  
|{{rl|ICP Etching Recipes|SiNx Etching (Panasonic 2)}}
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|[[ICP Etching Recipes#SiO2 Etching .28Fluorine ICP Etcher.29|R6]]
 
|{{rl|ICP Etching Recipes|SiO2 Etching (Panasonic 1)}}
  
|{{rl|ICP Etching Recipes|SiO2 Etching (Panasonic 1)}}
 
|{{rl|ICP Etching Recipes|SiO2 Etching (Panasonic 2)}}
  
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|[https://www.osapublishing.org/optica/abstract.cfm?uri=optica-4-5-532 A]
  
|[https://www.osapublishing.org/optica/abstract.cfm?uri=optica-4-5-532 A]
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|{{rl|ICP Etching Recipes|W-TiW Etch (Panasonic 1)}}
  
|{{rl|ICP Etching Recipes|W-TiW Etch (Panasonic 1)}}
 
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! bgcolor="#d0e7ff" align="center" |ZnS
  
! bgcolor="#d0e7ff" align="center" |ZnS
 
|{{rl|RIE Etching Recipes|ZnS Etching (RIE 2)}}
  
|{{rl|RIE Etching Recipes|ZnS Etching (RIE 2)}}
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! bgcolor="#d0e7ff" align="center" |ZnSe
  
! bgcolor="#d0e7ff" align="center" |ZnSe
 
|{{rl|RIE Etching Recipes|ZnS Etching (RIE 2)}}
  
|{{rl|RIE Etching Recipes|ZnS Etching (RIE 2)}}
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! bgcolor="#d0e7ff" align="center" |ZrO<sub>2</sub>
  
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| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#DSEIII_.28PlasmaTherm.2FDeep_Silicon_Etcher.29|DSEIII<br><span style="font-size: 88%;">(PlasmaTherm)</span>]]
  
| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#DSEIII_.28PlasmaTherm.2FDeep_Silicon_Etcher.29|DSEIII<br><span style="font-size: 88%;">(PlasmaTherm)</span>]]
 
| bgcolor="#daf1ff" |[[ICP Etching Recipes#PlasmaTherm.2FSLR Fluorine Etcher|Fluorine ICP <span style="font-size: 88%;">(PlasmaTherm)</span>]]
  
| bgcolor="#daf1ff" |[[ICP Etching Recipes#PlasmaTherm.2FSLR Fluorine Etcher|Fluorine ICP <span style="font-size: 88%;">(PlasmaTherm)</span>]]
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| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#ICP_Etch_1_.28Panasonic_E626I.29|ICP Etch 1<br><span style="font-size: 88%;">(Panasonic E626I)</span>]]
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| bgcolor="#daf1ff" |[[ICP Etching Recipes#ICP Etch 1 .28Panasonic E646V.29|ICP Etch 1<br><span style="font-size: 88%;">(Panasonic E626I)</span>]]
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| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#ICP_Etch_2_.28Panasonic_E640.29|ICP Etch 2<br><span style="font-size: 88%;">(Panasonic E640)</span>]]
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| bgcolor="#daf1ff" |[[ICP Etching Recipes#ICP Etch 2 .28Panasonic E626I.29|ICP Etch 2<br><span style="font-size: 88%;">(Panasonic E640)</span>]]
 
| bgcolor="#daf1ff" |[[ICP Etching Recipes#Oxford ICP Etcher .28PlasmaPro 100 Cobra.29|Oxford ICP <span style="font-size: 88%;">(PlasmaPro 100)</span>]]
  
| bgcolor="#daf1ff" |[[ICP Etching Recipes#Oxford ICP Etcher .28PlasmaPro 100 Cobra.29|Oxford ICP <span style="font-size: 88%;">(PlasmaPro 100)</span>]]
 
| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#ICP-Etch_.28Unaxis_VLR.29|ICP-Etch<br><span style="font-size: 88%;">(Unaxis VLR)</span>]]
  
| bgcolor="#daf1ff" |[[ICP_Etching_Recipes#ICP-Etch_.28Unaxis_VLR.29|ICP-Etch<br><span style="font-size: 88%;">(Unaxis VLR)</span>]]
 
| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#Ashers_.28Technics_PEII.29|Ashers<br><span style="font-size: 88%;">(Technics PEII)</span>]]
  
| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#Ashers_.28Technics_PEII.29|Ashers<br><span style="font-size: 88%;">(Technics PEII)</span>]]
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| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#Plasma_Clean_.28Gasonics_2000.29|Plasma Clean<br><span style="font-size: 88%;">(Gasonics 2000)</span>]]
  
 
| bgcolor="#daf1ff" |[[Oxygen Plasma System Recipes#Plasma Clean .28YES EcoClean.29|Plasma Clean <span style="font-size: 88%;">(YES EcoClean)</span>]]
  
| bgcolor="#daf1ff" |[[Oxygen Plasma System Recipes#Plasma Clean .28YES EcoClean.29|Plasma Clean <span style="font-size: 88%;">(YES EcoClean)</span>]]
 
| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#UV_Ozone_Reactor|UV Ozone Reactor]]
  
| bgcolor="#daf1ff" |[[Oxygen_Plasma_System_Recipes#UV_Ozone_Reactor|UV Ozone Reactor]]
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==='''Process Ranking Table'''===
  +
Processes in the table above are ranked by their "''Process Maturity Level''" as follows:
  +
{| class="wikitable"
  +
!Process Level
  +
! colspan="11" |Description of Process Level Ranking
  +
|-
  +
|A
  +
| colspan="11" |Process '''A'''llowed and materials available but never done
  +
|-
  +
|R1
  +
| colspan="11" |Process has been run at least once
  +
|-
  +
|R2
  +
| colspan="11" |Process has been run and/or procedure is documented or/and data available
  +
|-
  +
|R3
  +
| colspan="11" |Process has been run, procedure is documented, and data is available
  +
|-
  +
|R4
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| colspan="11" |Process has a documented procedure with regular (≥4x per year) data '''or''' lookahead/in-situ control available
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|-
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|R5
  +
| colspan="11" |Process has a documented procedure with regular (≥4x per year) data '''and''' lookahead/in-situ control available
  +
|-
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|R6
  +
| colspan="11" |Process has a documented procedure, regular ( ≥4x per year) data, and control charts & limits available
  +
|}
 
[[Category:Processing]]
  
[[Category:Processing]]

Revision as of 14:34, 26 July 2024

Process Control Data

See above linked page for process control data (dep rate/stress etc. over time), for a selection of often-used dry etches

Dry Etching Tools/Materials Table

The Key/Legend for this table's A...R5 values is at the bottom of the page.

Dry Etching Recipes
RIE Etching ICP Etching Oxygen Plasma Systems Other Dry Etchers
Material RIE 2
(MRC) 		RIE 3
(MRC) 		RIE 5
(PlasmaTherm) 		DSEIII
(PlasmaTherm) 		Fluorine ICP (PlasmaTherm) ICP Etch 1
(Panasonic E646V) 		ICP Etch 2
(Panasonic E626I) 		Oxford ICP (PlasmaPro 100) ICP-Etch
(Unaxis VLR) 		Ashers
(Technics PEII) 		Plasma Clean (YES EcoClean) UV Ozone Reactor Plasma Activation
(EVG 810) 		XeF2 Etch
(Xetch) 		Vapor HF Etch
(uETCH) 		CAIBE
(Oxford)
Ag A
Al A R1 R1 A
Au R1
Cr A R1 A A
Cu A
Ge A A A A
Mo A
Nb A A
Ni R1
Os A A
Pt R1
Ru A R1 A
Si R1 R3 A R1 A
Ta A A A
Ti R1 A A
Al2O3 A R A
Al2O3 (Sapphire) R1 A A
AlGaAs R1 R1 R3 GaAs-AlGaAs Etch (Unaxis VLR) A
AlGaN R2 R1 A
AlN R1 A
BCB A
CdZnTe R1 A
GaAs R1 R1 R1 R3 GaAs-AlGaAs Etch (Unaxis VLR) A
GaN R1 R1 A R2 R1 A
GaSb A A A GaSb Etch Unaxis VLR) A
HfO2 A
InGaAlAs InP-InGaAsP-InGaAlAs Etching (RIE 2) A InP-InGaAs-InAlAs Etch (Unaxis VLR) A
InGaAsP InP-InGaAsP-InGaAlAs Etching (RIE 2) R3 InP-InGaAs-InAlAs Etch (Unaxis VLR) A
InP InP-InGaAsP-InGaAlAs Etching (RIE 2) A A R6 InP-InGaAs-InAlAs Etch (Unaxis VLR) R1
ITO R1 A
LiNbO3 A
Photoresist

& ARC

A R R4 R R R R A
Ru A R
SiC R1 A A
SiN SiNx Etching (RIE 3) R4 R1 R1 A A
SiO2 SiO2 Etching (RIE 3) R6 R1 R1 R1 A
SiOxNy A A A
SU8 A
Ta2O5 A A A
TiN A
TiO2 A
W-TiW R1 A A
ZnO2 A
ZnS R1 A
ZnSe R1 A
ZrO2 A
Material RIE 2
(MRC) 		RIE 3
(MRC) 		RIE 5
(PlasmaTherm) 		DSEIII
(PlasmaTherm) 		Fluorine ICP (PlasmaTherm) ICP Etch 1
(Panasonic E626I) 		ICP Etch 2
(Panasonic E640) 		Oxford ICP (PlasmaPro 100) ICP-Etch
(Unaxis VLR) 		Ashers
(Technics PEII) 		Plasma Clean (YES EcoClean) UV Ozone Reactor Plasma Activation
(EVG 810) 		XeF2 Etch
(Xetch) 		Vapor HF Etch
(uETCH) 		CAIBE
(Oxford)

Process Ranking Table

Processes in the table above are ranked by their "Process Maturity Level" as follows:

Process Level Description of Process Level Ranking
A Process Allowed and materials available but never done
R1 Process has been run at least once
R2 Process has been run and/or procedure is documented or/and data available
R3 Process has been run, procedure is documented, and data is available
R4 Process has a documented procedure with regular (≥4x per year) data or lookahead/in-situ control available
R5 Process has a documented procedure with regular (≥4x per year) data and lookahead/in-situ control available
R6 Process has a documented procedure, regular ( ≥4x per year) data, and control charts & limits available
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