Photoresist develop (Shipley 1818)  |  
  | 
        
        
            
              | Process characteristics: | 
            
            | Depth Depth of material removed by etch process  | 
             | 
            
            | Developer Agent that reacts with masking layer (e.g., photoresist) to etch it     selectively.  | 
            Microposit 351 | 
            
            | Material | 
            Shipley 1818 | 
            
            | Selectivity Primary material removal rate divided by removal rates of secondary materials (i.e., factors by which primary material is removed faster than secondary materials)  | 
            Shipley 1818: 1 | 
            
            | Sides processed | 
            both | 
            
            
            | Wafer size | 
            
 | 
            
            
            
            | Equipment | 
            Hood #1 | 
            
            
            
              | Equipment characteristics: | 
            
            | Wafer geometry Types of wafers this equipment can accept  | 
            no-flat, 1-flat, 2-flat, notched | 
            
            | Wafer holder Device that holds the wafers during processing.  | 
            teflon | 
            
            | Wafer materials List of wafer materials this tool can accept (not list of all materials, just the wafer itself).  | 
            glass (category), Pyrex (Corning 7740), quartz (single crystal), silicon, silicon on insulator | 
            
            | Wafer thickness List or range of wafer thicknesses the tool can accept  | 
            100 .. 500 µm |