| 
        
        
            
              | Process characteristics: | 
            
            | Depth Depth of material removed by etch process  | 
             | 
            
            | Etch rate | 
            40 nm/min | 
            
            | Etchant Solutions and their concentrations.  | 
            HF (buffered) | 
            
            | Mask materials Materials that can be used to mask etching.  | 
            photoresist (category) | 
            
            | Material | 
            aluminum | 
            
            | 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)  | 
            aluminum: 1 | 
            
            | Sides processed | 
            both | 
            
            | Temperature | 
            40 °C | 
            
            
            | Wafer size | 
            
 | 
            
            
            
            | Equipment | 
            Wet bech #1 | 
            
            
            
              | Equipment characteristics: | 
            
            | Batch sizes | 
            100 mm: 25, 150 mm: 25 | 
            
            | MOS clean | 
            yes | 
            
            | 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.  | 
            teflon cassette | 
            
            | Wafer materials List of wafer materials this tool can accept (not list of all materials, just the wafer itself).  | 
            quartz (fused silica), fused silica, silicon, silicon on insulator | 
            
            | Wafer thickness List or range of wafer thicknesses the tool can accept  | 
            300 .. 1000 µm | 
            
            
            
              | Extra terms | 
            
            
        
          No materials with Gold contamination will be processed at this fab site. Certain services (for example, oxidation, diffusion, and sputter deposition) will be provided if wafers are virgin, or all pre-processing steps have been performed at this fab site.   |