
Basic Parameters
Layers: Two rigid layers and at least one flexible layer.
Substrate Material: Rigid sections use FR-4, while flexible sections use polyimide (PI).
Board Thickness: Common thickness ranges from 1.0mm to 1.5mm.
Copper Thickness: Typically 1oz to 2oz.
Minimum Line Width/Spacing: 0.2mm/0.2mm.
Features
Combination of Rigidity and Flexibility: Rigid sections provide stable support, while flexible sections enable bending and folding.
Double-Sided Routing: Conductive traces on both sides of the flexible layer, suitable for complex designs.
High Reliability: Reduces the risk of short circuits caused by poor plugging/unplugging or thermal expansion/contraction.
Space Optimization: Achieves more compact space layout through flexible design.
Advantages
Enhanced Reliability: Reduces the risk of short circuits due to poor plugging/unplugging or thermal expansion/contraction.
Increased Flexibility: Flexible sections can bend and fold, adapting to various shapes and space requirements.
Space and Weight Savings: Reduces the overall size and weight of the device through optimized design.
Simplified Assembly: Reduces the use of connectors and cables, improving production efficiency.
Applications
Consumer Electronics: Smartphones, tablets, wearable devices, requiring lightweight and flexible design.
Medical Devices: Portable medical monitoring equipment, requiring high reliability and miniaturization.
Automotive Electronics: Sensors and display systems in automotive interiors, requiring high reliability and vibration resistance.
Industrial Control: Used in industrial automation equipment, suitable for complex environments.
Double-sided rigid-flex PCBs combine the strengths of rigidity and flexibility, offering high reliability and flexibility. They reduce the size and weight of devices while simplifying the assembly process through optimized design. Widely used in consumer electronics, medical devices, automotive electronics, and industrial control, double-sided rigid-flex PCBs are an essential solution in modern electronics manufacturing.