What is usually done is that a stiffener is added to the area of the connector. The stiffener is usually FR4 (with no copper) glued/epoxied to the flex on the backside of the connector.
However, maybe the application results in minimal bending without stiffeners. What counts as acceptable is rather dependent on the particular parts, the application, and the required reliability and lifetime, so it’s not easy to quantify.
Read More: Best Practices of Rigid Flex PCB Design
#PCB Design
Many assembly factories are asking for SMT jobs, while I think through hole would be a better option for a high voltage application. Before the high voltage project is started, we need to make a call on SMT or Through hole parts. Is there a study on this?
Try to repair electronic sphygmomanometer now. It seems wires fell off from the flexible PCB, leaving trail on there. How do I solder them to the flex-PCB?
Is it possible to replace an automotive wiring harness with PCB? For example, just have the cables attached on either end of the circuit to eliminate a bunch of messy cableage in between.
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