| |   Photoresist develop (Shipley 1818) | 
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              | Process characteristics: | 
            | Depth Depth of material removed by etch process |  | 
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            | Developer Agent that reacts with masking layer (e.g., photoresist) to etch it     selectively. | Microposit 351 | 
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            | Material | Shipley 1818 | 
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            | 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 | 
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            | Sides processed | both | 
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            | Wafer size |  | 
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            | Equipment | Hood #1 | 
            
            
              | Equipment characteristics: | 
            | Wafer geometry Types of wafers this equipment can accept | no-flat, 1-flat, 2-flat, notched | 
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            | Wafer holder Device that holds the wafers during processing. | teflon | 
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            | 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 | 
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            | Wafer thickness List or range of wafer thicknesses the tool can accept | 100 .. 500 µm | 
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