| | on front   Optical surface profilometry | 
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        | Batch size | 1 | 
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            | Feature geometry Shape of feature with dimensions characterized by the minimum feature size | line | 
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            | Min feature size | 1 µm | 
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            | Sides inspected The sides of the wafer inspected by the process | either | 
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            | Vertical resolution Maximum vertical resolution of profiler. | 0.1 nm | 
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            | Wafer size |  | 
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            | Equipment | Wyko Optical Profiler | 
            
            
              | Equipment characteristics: | 
            | Piece dimension Range of wafer piece dimensions the equipment can accept | 0.1 .. 4 inch | 
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            | Piece geometry Geometry of wafer pieces the equipment can accept | rectangular, circular, triangular shard, irregular | 
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            | Piece thickness Range of wafer piece thickness the equipment can accept | 200 .. 20000 m | 
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            | Wafer geometry Types of wafers this equipment can accept | no-flat, 1-flat, 2-flat, notched | 
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            | Wafer holder Device that holds the wafers during processing. | metal chuck | 
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            | Wafer materials List of wafer materials this tool can accept (not list of all materials, just the wafer itself). | silicon, alumina, Borofloat (Schott), silicon on insulator, Pyrex (Corning 7740), quartz (single crystal), sapphire, stainless steel | 
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            | Wafer thickness List or range of wafer thicknesses the tool can accept | 200 .. 2000 µm | 
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