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　　　　The quality control work in the design stage mainly includes the following contents.　　(1) The person in charge of the pro

　　　　In the past few days, the pneumonia epidemic of new coronavirus infection has been surging, and masks have become the &qu

　　　　The so-called copper pouring is to use the idle space on the PCB as the reference plane, and then fill it with solid copp

　　　　Circuit boards generally refer to printed circuit boards. Printed circuit board {PCB circuit board}, also known as printe

　　　　1. Multilayer circuit board Giovanni bites copper　　This problem must be traced back to the copper electroplating process.

　　　　Generally speaking, PCB circuit board design is based on the circuit schematic diagram, which is used to achieve the purp