Anodic bonding (vacuum, with alignment)  |  
  | 
        
        | Alignment type Method used to align materials to be bonded.  | 
            optical | 
            
            | Bonded materials Pair of materials bonded by this process  | 
            silicon, Pyrex (Corning 7740), glass (Hoya) | 
            
            
            | Wafer size | 
            
 | 
            
            
            
            | Equipment | 
            EVG 501 Bonder
  | 
            
            
            
              | Equipment characteristics: | 
            
            | Wafer geometry Types of wafers this equipment can accept  | 
            1-flat, 2-flat, no-flat | 
            
            | Wafer holder Device that holds the wafers during processing.  | 
            metal chuck | 
            
            | Wafer materials List of wafer materials this tool can accept (not list of all materials, just the wafer itself).  | 
            silicon, Pyrex (Corning 7740) | 
            
            | Wafer thickness List or range of wafer thicknesses the tool can accept  | 
            100 .. 3000 µm |