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chip foundry - Coggle Diagram

- - - - monosilicon
        
        The Pull
        
        Ingot inspection
        
        cut into wafers
        
        Lapping
        
        Chemical polishing
        
        2 more items...
        
        Wafer transportation around facility to automate as much as possible
        
        Square cut
        
        square cut is mainly for solar panel production
        
        ~138 days to pull a silicon boule for sale
        
        sell for $700 bucks an Oz
        
        358 KG per boule
        
        12,629 ounces = 8.8million
        
        can pull 200kg a day?
        
        zone melting/brideman-Stockbarger method/Czochralski method
      - refining process involves
        
        the Siemens process
        
        furnace/ LP CVD/ RTP
        
        need CVD machine
        
        Silicon Precursor Quality Control Test Sample Manufacturing System
        
        uses float zone melting to produce ultra pure
        monocrystaline silicon
    - - how many furnaces do we need for this
        
        the polysilicon can be made in house or purchased
        
        need a 160-type furnace
        
        will do P type and N type
  - - - boron