All,
     
     Some of Laminate data I have is a bit outdated.  Can someone provide a 
     source or reply on the following request.  
     
     
     
     
                                Dk      Tg      Cost/foot24²
     FR4-TetraFunctional       4.5      140
     C.E.
     Polyimide
     PTFE
     BT Epoxy
     Polyimide Epoxy

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