Base material: RogersOAK,3M,ARLON,OHMEGA,ect
PCB layers: 2 to 30 layers
Board thickness:0.2 to 6.0mm
Surface treatment:Immersion gold, HASL, Lead-free HASL, Gold
fingers, OSP
Minimum line width: 4mil
Minimum line space:4mil
Minimum hole size: 0.2mm
Other special specification: Inner layer's circuits are exposed
outside or others