Rigid flex pcb bend radius
The bend radius of a rigid flex PCB depends on the thickness and material of the flexible portion of the board. Generally, the minimum bend radius for a flexible PCB is around 10 times the thickness of the flexible material. For example, if the flexible material is 0.1mm thick, the minimum bend radius would be 1mm. However, it is important to consult the manufacturer’s specifications for the specific PCB being used to ensure proper bend radius is maintained to avoid damaging the board.
how to calculate rigid flex pcb bend radius
To calculate the bend radius of a rigid flex PCB, you need to know the thickness and material of the flexible portion of the board. The minimum bend radius is typically 10 times the thickness of the flexible material. Here are the steps to calculate the bend radius:
- Determine the thickness of the flexible material in millimeters (mm).
- Multiply the thickness by 10 to get the minimum bend radius in millimeters (mm).
- For example, if the thickness of the flexible material is 0.1mm, the minimum bend radius would be 1mm.
It is important to note that the bend radius should not be less than the minimum value specified by the manufacturer to avoid damaging the board.

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