◆Layer count:20L
◆Material:VT-901
◆Board Thickness:5.08±0.25mm
◆Min.Trace/Space:5/5mil
◆Min.Pitch Size:0.4mm
◆Aspect Ratio:26:1
◆Back Drill:8 sets
◆Via-in-Pad:VIPPO
◆Unit Size:622mm x 430mm
◆Surface Finish:Flash gold+Hard gold(50u")