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Double-sided Flex PCB Bend Radius

After we show how to calculate bending radius for 1 layer flex PCB, here explain how to do it for double-sided FPC:

double-sided FPC bend radius

In the picture:

R=minimum bending radius, unit µm, c=copper skin thickness, unit µm, D=covering film thickness, unit µm, EB=copper skin deformation, measured in percentage.

The value of EB is the same as above.

D=thickness of interlayer dielectric, unit µm

The minimum bending radius and flexural strength of FPC

type minimum bending radius:

1. Single panel 3~6 times the thickness of the wire 4 [1 Z- C2 n9 g

2. Double-sided board 6~10 times the thickness of the wire 4 c) q* ~( e5 x

3. Multilayer flexible board 10~15 times the thickness of the wire. p Y, E+ M9 Z/ H

4. Dynamic single panel 20-40 times the thickness of the wire

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XPCB Limited is a premium PCB & PCBA manufacturer based in China.

We specialize in multilayer flexible circuits, rigid-flex PCB, HDI PCB, and Rogers PCB.

Quick-turn PCB prototyping is our specialty.  Demanding project is our advantage.

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Email : [email protected]

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