Multi-layer PCB is used as the “core force” in the fields of communication, medical treatment, industrial control, security, automobile, electric power, aviation, military industry, computer periphery, etc. With more and more product functions and denser lines, it is relatively difficult to produce. At present, domestic PCB manufacturers that can mass-produce multilayer circuit boards often come […]
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29
Sep
Sep
Copper sulfate electroplating plays an extremely important role in PCB electroplating. The quality of acid copper electroplating directly affects the quality and related mechanical properties of the electroplated copper layer on PCB board, and has a certain impact on the subsequent processing. Therefore, how to control the quality of acid copper electroplating is an important […]
29
Sep
Sep
With the improvement of the integration of IC devices, the miniaturization of devices and the increasing speed of devices, the EMI problem in electronic products is becoming more and more serious. From the point of view of EMC/EMI design of system equipment, dealing with EMC/EMI problems in PCB design stage of equipment is the most […]