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As a high-tech product, circuit boards play an important role in electronic products, so what are the functions of circuit boards? When understanding the role of the circuit board, we need to understand some basic concepts, main structure and other related knowledge of the circuit board.
The names of the circuit boards are: circuit boards, PCB boards, aluminum substrates, high frequency boards,PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. The circuit board makes the circuit miniaturized and intuitive, which plays an important role in the mass production of fixed circuits and optimizing the layout of electrical appliances. The circuit board can be called a printed circuit board or a printed circuit board, the English name is (Printed Circuit Board)PCB, (Flexible Printed Circuit board) FPC circuit board.
Circuit board structure:
The printed circuit board is mainly composed of pads, vias, mounting holes, wires, components, filling, etc. Its main functions are as follows:
Pad: A metal hole used to solder the pins of components.
Via: A metal hole used to connect the pins of components between layers.
Mounting hole: used to fix the printed circuit board.
Wire: The copper film of the electrical network used to connect the pins of the components.
Filling: Copper coating for ground wire network, which can effectively reduce impedance.
Circuit board function:
The circuit board mainly plays the role of wire and fixing in the circuit. In the electron tube era, there was no circuit board, and the components were relatively large. At that time, a lot of soldering frames were used to fix the components. Use wires to connect. There are many wires tied together for a long time. The circuit board makes the circuit miniaturized and intuitive, and plays an important role in the mass production of fixed circuits and optimizing the layout of electrical appliances. An insulating board with connected conductors fixes electronic components on it and connects them into a circuit. Simple, for example, it can be understood that the circuit board is the carrier of electronic components.
