Technical Capability for RIGID FLEX PCB
Items20252026 R&D
SampleMP
Max. Layer Count (Rigid Flex PCB)36L26L40L
Max. Layer Count (Flex PCB)10L1L14L
Multi-layer FPC (Air Gap)2 + (1F+1F+1F+1F+ 1F+1F+1F+1F+1F+1F) +22 + (1F+1F+1F+1F+1F+1F) + 22 + (1F+1F+1F+1F+ 1F+1F+1F+1F+1F+1F) +2
Board  ThicknessFlexible Min.21.5um28um20.0um
RF Max.7.0mm6.5mm7.5mm
Max. Board Size2~4 Layers1100* 500mm
≥6 Layers950* 500mm
Min. Mechanical Hole Size(mm)0.1mm0.15mm0.1mm
Min. Trace Width/Space (mm)0.038/0.05um (1.5/2mil)0.005/0.05um (2/2mil)0.038/0.038um (1.5/1.5mil)
PCB Laser Via hole size (CO2)76.2um/3mil (dielectric layer < 80um)76.2um/3mil (dielectric layer < 80um)
Via Filling Dimple (O/I) (mm)0.010.0150.01
PTH to Inner Pattern  (mm)0.1750.250.175
NPTH to Inner Pattern  (mm)0.1250.1750.125
Inner Copper1/3oz, 0.5oz, 1oz, 2oz, 3oz, 4oz, 5oz, 6oz
Aspect Ratio16:114:118:1
Depth Keeping Routing (FR)75um100um70um
Bonding Gold Finger Pitch Tolerance (pitch≤0.045) (mm)±0.025±0.03±0.025
Gold Finger Width (≤0.050)  Tolerance (mm)±0.015±0.02±0.015
Via to Rigid-Flexible Edge (mm)Plug Hole0.450.60.45
Non-plug Hole0.40.50.4
Transition Zone of Rigid-flexible Joint  (mm)0.81.20.8
Glue Overflow Control at Rigid and Flexible Joint  (mm)0.250.30.25
Material AvailableEM827, EM285, EM370D, EM370Z, 370HR, FR408HR, IT158, IT180A, NY2150, VT481, VT901, S1141, S1000-2M, R-F775/R-F777, AP85/AP91/AP92, AS2L, 2FPDR etc.