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Aligned fusion prebond: View
Process Hierarchy
Bonding
   Anodic bonding
   Fusion bonding
   Glass frit bonding
   Miscellaneous bonding
Clean
Consulting
Deposition
Doping
Etch
LIGA
Lift off
Lithography
Mask making
Metrology
Miscellaneous
Packaging
Polishing
Process technologies
Thermal
Unique capabilities

If you are interested in this process, either by itself or as part of a longer processing sequence, please send us email at engineering@mems-exchange.org or call us at (703) 262-5368

Aligned fusion prebond
Process characteristics:
Second substrate side bonded
Second substrate side bonded*
Substrate side bonded
Substrate side bonded*
Alignment tolerance
Registration of CAD data to features on wafer
5 µm
Alignment type
Method used to align materials to be bonded.
optical
Batch size 2
Process duration 30 min
Second substrate diameters 100 mm
Second substrate geometry wafer
Second substrate material silicon
Second substrate thickness 400 .. 1000 µm
Temperature 1100 °C
Wafer holder
Device that holds the wafers during processing.
aluminum chuck
Wafer materials
List of wafer materials this tool can accept (not list of all materials, just the wafer itself).
silicon
Wafer size
Wafer size
Equipment Karl Suss Bond aligner
  • Maximum bond stack height is 6mm
Equipment characteristics:
MOS clean no
Wafer geometry
Types of wafers this equipment can accept
1-flat, 2-flat
Wafer thickness
List or range of wafer thicknesses the tool can accept
300 .. 600 µm
Comments:
  • The Si-Si pair are aligned and prebonded using the Karl Suss BA6 - then N2 annealed in a seperate furnace to provide the fusion bonding.