Rigid-Flex pcb assembly

1.Substrate: FCCL (Flexible Copper Clad Laminate) Polyamide: Kapton (12.5um/20um/25um/50um/75um): Features good flexibility, high temperature resistance (long-term operating temperature 260°C, short-term resistance 400°C), high moisture absorption, excellent electrical and mechanical properties, and good tear resistance. It also offers good weather and chemical resistance and flame retardancy. Polyester amine (PI) is the most widely used, 80% of…