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

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Silver can be deposited by e-beam evaporation. In the chart below you can compare the different deposition equipment.
Silver can be deposited by e-beam or thermal evaporation. In the chart below you can compare the different deposition equipment.




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! E-beam evaporation (Alcatel)
! E-beam evaporation (Alcatel)
! E-beam evaporation (Leybold)
! E-beam evaporation (Leybold)
! Thermal deposition (Wordentec)
|-  
|-  
| Batch size
| Batch size
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*8x4" wafers or
*8x4" wafers or
*5x6" wafers
*5x6" wafers
|
*6x6" wafers or
*6x4" wafers or
*24x2" wafers or
|-
|-
| Pre-clean
| Pre-clean
|RF Ar clean
|RF Ar clean
|Ar ion bombartment
|Ar ion bombartment
|Ar clean
|-
|-
| Layer thickness
| Layer thickness
|10Å to 1µm  
|10Å to 1µm  
|10Å to 0.5µm
|10Å to 0.5µm
|10Å to 0.5µm (not on all wafers)
|-
|-
| Deposition rate
| Deposition rate
|2Å/s to 15Å/s
|2Å/s to 15Å/s
|1Å/s to 5Å/s
|1Å/s to 5Å/s
|1Å to 10 Å/s
|-
|-
|}
|}

Revision as of 09:46, 29 January 2009

Silver can be deposited by e-beam or thermal evaporation. In the chart below you can compare the different deposition equipment.


E-beam evaporation (Alcatel) E-beam evaporation (Leybold) Thermal deposition (Wordentec)
Batch size
  • Up to 1x4" wafers
  • smaller pieces
  • 8x4" wafers or
  • 5x6" wafers
  • 6x6" wafers or
  • 6x4" wafers or
  • 24x2" wafers or
Pre-clean RF Ar clean Ar ion bombartment Ar clean
Layer thickness 10Å to 1µm 10Å to 0.5µm 10Å to 0.5µm (not on all wafers)
Deposition rate 2Å/s to 15Å/s 1Å/s to 5Å/s 1Å to 10 Å/s


Thermal deposition of Silver - Process settings for thermal deposition of Silver in Wordentec