4-Layer Rigid-Flex PCB with Blind Vias

Layer Count: 4 layers
Structure: 2 Flex + 2 Rigid
Material: (see stack-up) 94V-0, RoHS
FPC Thickness: 0.18mm+/-0.03mm
Rigid-Flex PCB Thickness: 0.5mm +/-0.1mm
Solder Mask: Green x1
Coverlay: yellow x2
Silkscreen: white x1
Unit Size: 170 x 72mm
Panel Size: 190 x 100mm/1up
Finished Copper Weight: 38/20/15/33μm
Surface Finish: ENIG (Au: 2-3μ”, Ni: 120-240μ”)
Min NC Drilling Dia.: 0.15mm
Blind Vias: L1-L2