The following is an example of the layer buildup of Flexible circuit boards. Usually, these requirements are met. If a special layer buildup is required, please contact us: We will be happy to advise you in detail in order to find an optimal solution together with you.
The total thickness including Stiffener can be selected in our circuit board calculator.
Layer buildup examples for flexible PCBs
1 layer Flex / adhesiveless
![1 layer Flex / adhesiveless Flexible Circuit Board FPC Stack-up 1F-l](https://www.multi-circuit-boards.eu/fileadmin/_processed_/0/7/csm_fpc_flex_stack-up_1f-l_e3fced8845.png)
1 layer Flex / adhesive
![1 layer Flex / adhesive Flexible Circuit Board FPC Stack-up 1F-a](https://www.multi-circuit-boards.eu/fileadmin/_processed_/2/8/csm_fpc_flex_stack-up_1f-a_e03134c060.png)
2 layers Flex / adhesiveless
![2 layers Flex / adhesiveless Flexible Circuit Board FPC Stack-up 2F-l](https://www.multi-circuit-boards.eu/fileadmin/_processed_/b/b/csm_fpc_flex_stack-up_2f-l_a32e2adbe3.png)
2 layers Flex / adhesive
![2 layers Flex / adhesive Flexible Circuit Board FPC Stack-up 2F-a](https://www.multi-circuit-boards.eu/fileadmin/_processed_/e/2/csm_fpc_flex_stack-up_2f-a_f0a83944fe.png)
3 layers Flex / adhesiveless
![3 layers Flex / adhesiveless Flexible Circuit Board FPC Stack-up example 3F-l](https://www.multi-circuit-boards.eu/fileadmin/_processed_/0/2/csm_fpc_flex_stack-up_3f-l_2_dfc6073ec1.png)
4 layers Flex / adhesiveless
![4 layers Flex / adhesiveless Flexible Circuit Board FPC Stack-up example 4F-l](https://www.multi-circuit-boards.eu/fileadmin/_processed_/a/a/csm_fpc_flex_stack-up_4f-l_398e736dbb.png)
Polyimide or FR4 stiffener
![Polyimide or FR4 stiffener Flexible PCB Polyimide or FR4 stiffener](https://www.multi-circuit-boards.eu/fileadmin/_processed_/3/b/csm_fpc_flex_stiffener-example_637b5a5d1a.png)
2 layers Flex + multiple stiffeners
![2 layers Flex + multiple stiffeners Flexible Circuit Board FPC Stack-up 2F-l plus stiffener](https://www.multi-circuit-boards.eu/fileadmin/_processed_/f/c/csm_fpc_flex_stack-up_2f-l_stiffener_41a7cd395b.png)
4-Flex / adhesiveless with airgap
![4-Flex / adhesiveless with airgap Flexible Circuit Board FPC Stack-up 4 flexible layers with airgap](https://www.multi-circuit-boards.eu/fileadmin/_processed_/b/2/csm_fpc_flex_stack-up_4f_airgap_394a8054a0.png)
Additional information:
- Design-Aid for layer buildups
- Available prepregs, cores, and foils
- Series, Prototypes, Flex, Rigid-Flex, Metal Core sample layer buildup
- Flexible circuit boards, Rigid-Flex circuit boards available technology