source:Industry News release time:2021-12-20 Article author:sznbone Popular:pcb
What is a pcb Yin-Yang board? Before manufacturing a circuit board, it is necessary to impose PCB data. There are many ways of PCB imposition. One of them is called "Yin-Yang board". For boards, there are also yin-yang boards where the first side of one board and the second side of another board appear on the same side of the jigsaw; ②All the jigsaw boards are on the same side but the yin and yang boards are reversed, such as pdpd platoon. What are the characteristics of pcb yin and yang imposition? 1: It can make full use of the advantages of smt long-term to achieve greater printing efficiency. The overall efficiency of an SMT can be judged by simply looking at whether the machine is idle. , If there is no time for the machine to wait at all, then we can say that the efficiency of this SMT line reaches 100%. Assuming that it takes about 20 seconds to print a solder paste steel plate (depending on the length of the printing), and assuming that the pick & place immediately following takes less than 20 seconds to complete, then this The remaining time of the machine is wasted by idle (idle). Therefore, the use of panelization/panelization is used to increase the use time of the placement machine to greatly improve its use efficiency; but it cannot Therefore, the solder paste printer was left empty, so there was another yin and yang puzzle board with the front and back sides reversed, so that more different parts can appear on the same side of the board at the same time, so that the original SMT with multiple placement machines The long-term line can give full play to its role. Another important purpose is that the upper and lower parts can be printed with only one line, and there is no need to waste time changing lines.
2: It can save the wasted space of the bare board, that is, improve the efficiency of panelization and save money. For some circuit boards that are not square-shaped, the yin and yang board can be designed to have more opportunities to squeeze. Put one or two circuit boards in the same circuit board, so that the efficiency of the board can be improved. 3: In order for the board factory to electroplate, generally if there is more copper on one side of the circuit board and less on the other side, and the customer is not allowed to add copper in the board, the circuit board factory is to achieve the balance of electroplating Sex will carry out the yin and yang puzzle design on the board.
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