The board is divided into three categories: single-sided, double-sided, and multi-layer circuit boards.
The first is a single panel, on the most basic PCB, the parts are concentrated on one side, the wires are concentrated on the other side. Because the wire only appears in one side, so called the PCB is called single-sided circuit board. Single-sided panels are usually made simple, low cost, but the drawback is that it can not be applied to too complex products.
Double panel is an extension of a single panel, when the single-layer wiring can not meet the needs of electronic products, we must use the double-sided. Sided copper with a trace, and can pass through the hole between the two lines between the lines, so that the formation of the required network connection.
The multilayer board refers to a printed board having three or more conductive pattern layers interposed therebetween and interposed therebetween so that the conductive patterns are interconnected as required. Multi-layer circuit board is the electronic information technology to high-speed, multi-functional, large capacity, small size, thin, lightweight direction of the product.
The board is divided into soft board (FPC), hard board (PCB), hard and soft combination board (FPCB) according to the characteristics.
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