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