| | on front   Stylus Profilometer Step Measurement | 
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        | Contact force Force applied at contact point | 0.2 mN | 
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            | Max vertical travel | 113000 Å | 
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            | Min vertical travel | 1000 Å | 
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            | Sides processed | either | 
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            | Wafer size |  | 
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            | Equipment | Dektak profilometer | 
            
            
              | Equipment characteristics: | 
            | Batch sizes | 50 .. 150 mm: 1 | 
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            | 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. | flat chuck | 
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            | Wafer materials List of wafer materials this tool can accept (not list of all materials, just the wafer itself). | alumina, BK7, Borofloat (Schott), ceramic, copper, Corning 1737, Foturan (Schott), fused silica, gallium arsenide, gallium phosphide, germanium, glass (Hoya), glass-ceramic, indium phosphide, lithium niobate, other, Pyrex (Corning 7740), quartz (fused silica), quartz (single crystal), sapphire, silicon, silicon carbide, silicon germanium, silicon on insulator, silicon on sapphire, titanium | 
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            | Wafer thickness List or range of wafer thicknesses the tool can accept | 200 .. 4000 µm | 
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