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

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Revision as of 14:13, 1 October 2012

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


E-beam evaporation (Alcatel) Sputter deposition (PVD co-sputter/evaporation)
Batch size
  • Up to 1x4" wafers
  • smaller pieces
  • 4x6" wafers or
  • 4x4" wafers or
  • 4x2" wafers
Pre-clean RF Ar clean RF Ar clean
Layer thickness 10Å to 0.5µm

10Å to 0.5µm

Deposition rate 2Å/s to 15Å/s

Depending on process parameters


Studies of Cu deposition processes

Roughness of Cu layers - Roughness of Cu layers deposited with Alcatel