Flex pcb minimum bend radius

The minimum bend radius for a flex PCB depends on various factors such as the thickness of the copper layer,

the number of layers, and the type of material used. However, as a general rule,

the minimum bend radius for a flex PCB is typically 10 times the thickness of the thinnest layer in the PCB.

For example, if the thinnest layer in the PCB is 0.1mm, the minimum bend radius would be 1mm.

It is important to follow the manufacturer’s guidelines and specifications to ensure that the flex PCB is not damaged during bending.

how to calculate flex pcb minimum bend radius

To calculate the minimum bend radius for a flex PCB, you need to consider the following factors:

1. Material: The type of material used for the flex PCB will affect its flexibility and the minimum bend radius. For example, polyimide is a common material used for flex PCBs and has a higher flexibility than other materials.

2. Thickness: The thickness of the PCB and its layers will also affect the minimum bend radius. Thinner PCBs will have a smaller minimum bend radius than thicker PCBs.

3. Number of layers: The number of layers in the PCB will also affect the minimum bend radius. The more layers there are, the larger the minimum bend radius will be.

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