The materials used for computer motherboard PCB assembly mainly include the following:
1. Substrate: The substrate of computer motherboard PCB mainly uses FR-4 epoxy fiberglass board, which has excellent mechanical properties, dimensional stability and high temperature resistance.
2. Copper foil: Computer motherboard PCB circuits generally use copper foil, which has good electrical conductivity and mechanical strength. The thickness and quality of copper foil also have a great impact on the performance of PCB.
3. Welding materials: The welding materials of computer motherboard PCB generally use solder. The quality of solder directly affects the reliability and service life of PCB.
4. Other materials: Computer motherboard PCB can also be added with other materials, such as shielding materials, isolation materials, packaging materials, etc., to ensure the correct operation and long-term stability of the circuit board.
In addition, depending on the motherboard model and specifications, the selection of PCB materials and assembly methods will also be different. When choosing a motherboard, you need to choose based on actual needs and performance requirements.