4 Layers Printed Circuit Board PCB Automotive 0.3mm 1oz No Silkscreen

4-Layers Rigid-Flex PCB Greeen Cover Film No Silkscreen 0.3mm

Rigid-flex PCBs are used in space-constrained applications to reduce size and weight, increase reliability, and improve performance. They are also often used in harsh environments, such as in aerospace and automotive applications, where their flexibility and strength are advantageous.