Parameters

Layers:  20

Thicknes: 5.55±0.4mm

Size：477mm×516.5mm

Width/Space:0.145mm/0.12mm

Surface Treatment: ENIG

Crafts

L8-L9,L10-L11, L12-L13 use IT180Aand they’re 3OZ heavy copper, other layers use R5775.

Applications

Communication