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The essence of a Rigid Flex PCB is to use FPC as one or two circuit layers of the PCB, and then partially mill the rigidity of the PCB. After the partial hard board opening process, only the soft board part is retained. At this time, the entire PCB is composed of some hard boards and some soft boards.
What is a Rigid Flex PCB?
The birth and development of FPC and PCB have given rise to the new product of Rigid Flex PCB. A Rigid Flex PCB is a circuit board that combines flexible and hard circuit boards through pressing and other processes, according to relevant process requirements, to form a circuit board with FPC and PCB characteristics. Some manufacturers also refer to Rigid Flex PCBs as rigid wound bonding boards or rigid flexible bonding boards.