12L rigid-flex pcb

Layers  :   12 L
Stack-up : 4 R+4 F+4 R
Thickness :  2.0
Out Layer Copper Thickness: 1 OZ
Inner Layer Copper Thickness:1 OZ
Min hole size: 0.25 mm
Min Line Width/Space: 4 mil
Surface finish : ENIG
Application : ntelligent robot
Features : high complexity ; multilayer Rigid-flex board