A PCB’s layer count is determined by observing via holes, crucial for identifying multilayer boards like 4-layer PCBs used in motherboards and display cards, or more complex 6/8-layer boards where via holes are less visible.
Methods for Identifying the Number of Layers in a PCB Multilayer Board Read More »
The PCB is made up of various components and complex technologies, with single-layer, double-layer, and multi-layer structures each requiring different production methods. It includes pads, vias, mounting holes, wires, connectors, filling, and electrical boundaries, each with specific functions. The three common layer structures are single-layer, double-layer, and multi-layer boards, with multiple working layers and connections through vias in the latter.
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