Nowadays, the use of PCB multilayer circuit boards on the market has become a popular trend, and in the development of the industry, the ability of many PCB manufacturers to develop and produce PCB multilayer circuit boards has become increasingly prominent. So, what are the requirements for PCB multi-layer circuit board sampling? Below, the editor will analyze for everyone:

　　1. Requirements for clean appearance. When making samples for PCB multilayer circuit boards, it is necessary to have a flat appearance of the template, no burrs on the edges and corners, and no blistering or delamination between the wires and solder mask. Only in this way can the PCB multi-layer circuit board ensure better welding effect and also ensure that the PCB multi-layer circuit board produced by the PCB manufacturer meets the appearance requirements of actual use.

　　2. Reasonable process requirements. Before sampling, it is also necessary to study whether the process of PCB multilayer circuit boards is reasonable, such as whether there is mutual interference between circuits, to ensure that PCB multilayer circuit boards can operate smoothly for a long time.

　　3. Requirements for CAM optimization. To obtain high-quality PCB multilayer circuit boards, relevant CAM processing is required during sampling. This processing includes adjusting the line width, optimizing the spacing and solder pads, etc., to ensure that the circuit interaction between multi-layer PCB boards has good signals, making the quality of the sample more superior.

　　The above are the basic requirements for PCB multi-layer circuit board sampling. High quality sampling can enable PCB multi-layer circuit boards to have higher quality, and mass production can be carried out after ensuring the quality is correct. Therefore, reasonable design and planning of PCB multi-layer circuit boards according to the requirements is also for better production of PCB multi-layer circuit boards.