on front   Stylus Profilometer Step Measurement  |  
  | 
        
        | Contact force Force applied at contact point  | 
            0.2 mN | 
            
            | Max vertical travel | 
            113000 Å | 
            
            | Min vertical travel | 
            1000 Å | 
            
            | Sides processed | 
            either | 
            
            
            | Wafer size | 
            
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            | Equipment | 
            Dektak profilometer | 
            
            
            
              | Equipment characteristics: | 
            
            | Batch sizes | 
            50 .. 150 mm: 1 | 
            
            | 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.  | 
            flat chuck | 
            
            | 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 | 
            
            | Wafer thickness List or range of wafer thicknesses the tool can accept  | 
            200 .. 4000 µm |