The circuit board is mainly composed of pads, vias, mounting holes, wires, components, connectors, filling, electrical bounda
Under normal circumstances, the quality of the PCB circuit board can be identified only in appearance. For example, the quali
(1) Provide mechanical support for the fixing and assembly of various electronic components such as integrated circuits, real
1. Regarding the PCB, it is the so-called printed circuit board (printed circuit board), which is usually called a hard board
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