Rigid-Flex PCB Technology Capabilities
Layers:
Number of Layers of Flexible PCB: 16
Number of Flexible Layers of Rigid-Flex PCB: 34
Number of Total Layers of Rigid-Flex PCB: 48
Minimum thickness of FR4 core board (um): 50
Minimum thickness of Flexible core board (um): 12.5
Minimum copper thickness of Flexible core board (um): 6

Minimum board thickness of two sided flexible board (mm): 0.09
Minimum board thickness of Multi-layer rigid-flexible board (mm): 0.26
Minimum line width and distance (um) – Inlayer (HOZ electroplated copper): 30/30
Minimum line width and distance (um) – Outer layer (HOZ electroplated copper): 50/50
Alignment accuracy (um) 16 layers: 65
Minimum bore hole – Through hole (mm): 0.1
Minimum bore hole –Blind hole (mm): 0.025
PCB with Structure Asymmetric
PCB with Structure Symmetrical
Impedance control: ±5%
Contour tolerance of flexible PCB (mm): ±0.05
Surface treatment: Solder coating, gold plating, silver plating, nickel & palladium plating
HDI: Random interconnection in 4 steps.
High-speed flex PCB – Dupont TK materials
High-speed flex PCB – LCP materials
Mixed rigid-flex PCB
High-frequency & high-speed rigid-flex PCB
Thick copper rigid-flex board: 6OZ
Radiating rigid-flex PCB
