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Xenon difluoride (XeF2) Isotropic Si Etch (Xactix): View
Process Hierarchy
Bonding
Clean
Consulting
Deposition
Doping
Etch
   Anisotropic etch
   Deep RIE
   Isotropic etch
   Miscellaneous etch
   Strip
LIGA
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   Supercritical dry
   Xenon difluoride etch

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

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Xenon difluoride (XeF2) Isotropic Si Etch (Xactix)
Process characteristics:
Depth
Depth*
must be 0 .. 50 µm
0 .. 50 µm
Batch size 1
Etch rate 1 µm/min
Etch type dry isotropic
Gas XeF2, Nitrogen
Materials silicon, polysilicon
Sides processed either
Temperature 25 °C
Wafer size
Wafer size
Equipment Xactix, XeF2 Isotropic Si Etch
Equipment characteristics:
Wafer geometry
Types of wafers this equipment can accept
1-flat, 2-flat, no-flat, notched
Wafer holder
Device that holds the wafers during processing.
aluminum plate
Wafer materials
List of wafer materials this tool can accept (not list of all materials, just the wafer itself).
silicon
Wafer thickness
List or range of wafer thicknesses the tool can accept
200 .. 700 µm