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​Rigid-flex PCB design guidelines

Storm Circuit makes a lot of Rigid-flex board,this type of PCB is unlike with normal FR4 PCB.We hope below information can help some designers when he doing the rigid-flex PCB.
Material:FR4+polymide
Stackup:
2 layer rigid flex pcb layer up.
​top or bottom flex part,usually, flex part is 0.1mm,rigid part can be 0.8-1.6mm
2 layer stackup for rigid-flex board
Picture
3 layer rigid flex pcb layer up
​the flex part is in the middle, Layer 2 and 0.1mm.
Picture
Picture
4 layer rigid flex pcb layer up
the flex part is usually in the middle too. L2 or L3 Layer, or both layers are flex part.   if two layer of flex, it is 0.2mm
Picture
Picture
6 layer rigid flex pcb layer up
the flex part can be middle layers, but also out layers are OK .   it depends on your design. 0.1-0.2mm thickness.
below is just a type of we made .
Picture
6 layer any layer rigid-flex PCB stackup
​8 layer HDI Blind and buried via rigid flex pcb layer up
​
Picture
Picture
General speaking, Rigid-flex PCB is much complex than normal FR4 Circuits. they have different process, flex parts can be in top or inner layers. also ,there is air gap or not in the flex part. so ,rigid-flex PCB only can be custom quote. 
Contact us now for your any questions
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  • Home
  • About Us
    • Why Us
    • Our Team
    • Testimonials
  • PCB Fab
    • Standard PCB
    • ENEPIG PCB
    • HDI PCB
    • Large PCB
    • Impedance Control
    • Backdrilling PCB
    • Heavy Copper PCB
    • Via in Pad(POFV)
    • Quick Turn PCB
    • 10 layer PCB
    • High frequency PCB
    • MC/Aluminum PCB
    • Half hole plating
    • FPC Rigid-flex PCB
  • Service
    • PCB Assembly >
      • PCBA Products
      • PCBA Capability
    • Components Procuement
    • SMT Stencil
  • Technology
    • Optimize HDI
    • PCB Terminology
    • PCB Material
    • PCB panelization
    • PCB Stackup
    • Rigid-flex PCB design guidelines
    • Blind and burrid vias
    • Tip for PCB design
    • Generate gerber from Altium
    • Eagle PCB
    • KiCAD PCB
  • Contact
  • Blog
  • Products