8-layer arbitrary layer HDI board

Plate thickness: 1.6MM

Copper thickness: 1/1/1/1/1/1/1/1/1OZ

Ink: black oil

Drilling: L1-L2 0.1MM, L2-L3 0.1MM, L3-L4 0.1MM, L4-L5 0.1MM, L5-L6 0.1MM, L6-L7 0.1MM,

L7-L8 0.1MM， L2-L4 0.1MM, L2-L5 0.1MM, L2-L6 0.1MM, L2-L7 0.1MM, L3-L5 0.1MM, L3-L6 0.1MM, L3-L7 0.1MM, L3-L8 0.1MM

Line width and distance: 3/3MIL

BGA: 9.5MIL

Surface treatment: sinking gold

Special process: HDI