on front   Silicon Dioxide PECVD PlasmaTherm 790+  |  
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              | Process characteristics: | 
            
            | Thickness | 
             | 
            
            | Deposition rate Rate at which material is added to a wafer  | 
            33 nm/min | 
            
            | Gas | 
            5%Silane, Nitrous Oxide, Helium | 
            
            | Material | 
            silicon dioxide | 
            
            | Microstructure | 
            amorphous | 
            
            | Refractive index | 
            1.45 | 
            
            | Sides processed | 
            either | 
            
            | Temperature | 
            250 °C | 
            
            
            | Wafer size | 
            
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            | Equipment | 
            Plasma Therm 790+ Nitride / Oxide PECVD | 
            
            
            
              | Equipment characteristics: | 
            
            | Batch sizes | 
            100 mm: 9, 150 mm: 4, 200 mm: 1, 50 mm: 9, 75 mm: 9 | 
            
            | Wafer geometry Types of wafers this equipment can accept  | 
            1-flat, 2-flat, notched, no-flat | 
            
            | 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).  | 
            gallium arsenide, indium phosphide, silicon, silicon carbide | 
            
            | Wafer thickness List or range of wafer thicknesses the tool can accept  | 
            200 .. 700 µm |