6L, FR4, 1.6mm                      2L, FR4, 0.02"                       6L, FR4, 1.6mm
         Leadfree HASL                       Immersion Gold: 2u"               Leadfree HASL+G/F: 40u"
              Blind Routing                       Smallest hole: 8mil                Smallest hole: 8mil
                                                   Edge Plating                        Trace/Width: 5mil
                                                                                     Slot: 0.8mm     
 
                     
     4L, FR4, 0.062"                       10L, TG180, 1.57mm                  10L, FR4, 0.062"
     Immersion Silver                   Immersion Gold: 5~10u"         Immersion Gold: 1~3u"
         Smallest hole: 0.225mm                    +G/F: 10u"                            Impedance
     Trace / Width: 5mil                  Impedance                            Trace/Width:5mil           
                                                 Trace / Width: 4mil                 
                 
     6L, FR4, 1.6mm                       8L, TG170, 0.062"                   8L, FR4, 1.6mm
     Leadfree HASL+G/F: 40u"       Immersion Gold:1~3u"             Immersion Gold: 2~6u"
     Smallest hole: 8mm                 Impedance                           Impedance
                                                Smallest hole: 0.225mm        
                                                Trace / Width: 3.9mil
      
                   
     2L, TG170, 0.062"                    4L, TG170, 1.6mm                  4L, FR4, 1.6mm 
     Leadfree HASL                      Immersion Gold: 3~5u"        Immersion Gold: 2~4u"          
      +G/F: 20~30u"                      Smallest Hole: 7.87mil           Smallest Hole: 7.9mil
                                                 Trace/Width: 4mil                  Trace/Width: 4.7mil