Rigid Flex

Rigid flex circuits combine the benefits of rigid boards and flexible circuits integrated into one circuit. The two-in-one circuit is interconnected through plated through holes. Rigid flex circuits provide higher component density and better quality control. The slideshow below shows an eight layer rigid flex circuit used for a medical device. Four layers are rigid and four layers are flexible. There are connectors required on two different sides of the circuit, which is carrying signals and power.