Specific Process Knowledge/Thin film deposition/Deposition of Germanium: Difference between revisions

From LabAdviser
Mdyma (talk | contribs)
Reet (talk | contribs)
Line 16: Line 16:
! Thermal evaporation ([[Specific Process Knowledge/Thin film deposition/Wordentec|Wordentec]])
! Thermal evaporation ([[Specific Process Knowledge/Thin film deposition/Wordentec|Wordentec]])
! E-beam evaporation ([[Specific Process Knowledge/Thin film deposition/Physimeca|Physimeca]])
! E-beam evaporation ([[Specific Process Knowledge/Thin film deposition/Physimeca|Physimeca]])
! E-beam evaporation ([[Specific Process Knowledge/Thin film deposition/Temescal|Temescal]])
|-  
|-  


Line 21: Line 22:
! General description
! General description
|Thermal deposition of Ge
|Thermal deposition of Ge
|E-beam deposition of Ge
|E-beam deposition of Ge
|E-beam deposition of Ge
|-
|-
Line 30: Line 32:
|RF Ar clean
|RF Ar clean
| -
| -
|Ar ion beam clean
|-
|-
|-style="background:WhiteSmoke; color:black"
|-style="background:WhiteSmoke; color:black"
! Layer thickness
! Layer thickness
|10Å to about 2000Å  
|10Å to about 2000Å (in total distributed on all loaded wafers)
|10Å to about 3000Å  
|10Å to about 3000Å  
|10Å to about 5000Å
|-
|-
|-style="background:LightGrey; color:black"
|-style="background:LightGrey; color:black"
! Deposition rate
! Deposition rate
|From 0.4 Å/s up to about ~2Å/s  
|From 0.4 Å/s up to about ~2Å/s  
|From 5 Å/s up to 10/s  
|From 5 Å/s up to 10 Å/s
|From 1 Å/s up to 5 Å/s  
|-
|-


|-style="background:WhiteSmoke; color:black"
|-style="background:WhiteSmoke; color:black"
Line 48: Line 52:
*24x 2" wafers or  
*24x 2" wafers or  
*6x 4" wafers or
*6x 4" wafers or
*6x 6" wafers
*6x 6" wafers or
Many small pieces
|
|
*1x 2" wafer or
*1x 2" wafer or
*1x 4" wafers or
*1x 4" wafers or
*Several smaller pieces  
*Several smaller pieces  
|
*Up to 4 x 6" wafer or
*3x 8" wafers (ask for special holder)
*Many smaller pieces
|-
|-


Line 87: Line 96:
* PMMA
* PMMA
* Mylar  
* Mylar  
|
*Silicon oxide
*Silicon (oxy)nitride
*Photoresist
*PMMA
*Mylar
*Metals
*See also the [http://labmanager.dtu.dk/function.php?module=XcMachineaction&view=edit&MachID=429 cross-contamination sheet]


|-style="background:LightGrey; color:black"
|-style="background:LightGrey; color:black"
! Comment
! Comment
|Recommended for unexposed e-beam resist
|Recommended for unexposed e-beam resist
|.
|
 
|
|}
|}

Revision as of 11:32, 19 December 2018

Feedback to this page: click here


Deposition of Germanium

Germanium can be deposited by thermal evaporation and e-beam evaporation.

Thermal deposition



Thermal evaporation (Wordentec) E-beam evaporation (Physimeca) E-beam evaporation (Temescal)
General description Thermal deposition of Ge E-beam deposition of Ge E-beam deposition of Ge
Pre-clean RF Ar clean - Ar ion beam clean
Layer thickness 10Å to about 2000Å (in total distributed on all loaded wafers) 10Å to about 3000Å 10Å to about 5000Å
Deposition rate From 0.4 Å/s up to about ~2Å/s From 5 Å/s up to 10 Å/s From 1 Å/s up to 5 Å/s
Batch size
  • 24x 2" wafers or
  • 6x 4" wafers or
  • 6x 6" wafers or

Many small pieces

  • 1x 2" wafer or
  • 1x 4" wafers or
  • Several smaller pieces
  • Up to 4 x 6" wafer or
  • 3x 8" wafers (ask for special holder)
  • Many smaller pieces
Allowed substrates
  • Silicon wafers
  • Quartz wafers
  • Pyrex wafers
  • III-V materials
  • Silicon wafers
  • Quartz wafers
  • Pyrex wafers
Allowed materials
  • Silicon oxide
  • Silicon (oxy)nitride
  • Photoresist
  • PMMA
  • Mylar
  • SU-8
  • Metals
  • Silicon oxide
  • Silicon (oxy)nitride
  • Photoresist
  • PMMA
  • Mylar
Comment Recommended for unexposed e-beam resist