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What does PCB mean?
Visit:1807   Date:2019-12-26
PCB board is a printed circuit board, also known as a printed circuit board, is a provider of electrical connection of electronic components.
PCB board can be divided into single panel, double panel, four-layer board, six-layer board and other multilayer circuit boards according to the number of circuit board layers.
Since printed circuit boards are not general end products, the definition of the name is slightly confusing. For example, the motherboard for personal computers is called the motherboard, but it cannot be called directly as a circuit board. They are not the same, so they cannot be said to be the same when evaluating industries.
Another example: because there are integrated circuit parts loaded on the circuit board, the news media calls him an IC board, but in essence he is not equivalent to a printed circuit board. The printed circuit board we usually refer to is a bare board-a circuit board without components on it.
The current circuit board mainly consists of the following:
Circuit and Pattern: The circuit is used as a tool for the conduction between the originals. In the design, a large copper surface is additionally designed as the ground and power layer. The lines and drawings are made at the same time.
Dielectric layer (Dielectric): used to maintain the insulation between the circuit and the layers, commonly known as the substrate.
Through hole / via: A via hole can connect more than two levels of circuits to each other, a larger via hole is used as a component insert, and a non-via hole (nPTH) is usually used as a surface mount For positioning, for fixing screws during assembly.

Extended information:
The main advantages of using printed boards are:
1. Due to the repeatability (reproducibility) and consistency of the graphics, the errors in wiring and assembly are reduced, and the time for equipment maintenance, debugging and inspection is saved;
2. The design can be standardized to facilitate interchange;
3. High wiring density, small size and light weight, which are conducive to miniaturization of electronic equipment;
4. It is conducive to mechanization and automatic production, which improves labor productivity and reduces the cost of electronic equipment.
5. Especially the flex resistance and precision of FPC flexible board, which is better applied to high precision instruments (such as cameras, mobile phones, video cameras, etc.).

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Shenzhen Lianhuixin Electronic Technology Co., Ltd.
Contact:
Mr. Zhong Mobile: 13528895508
Li Haiqin Mobile: 13510912665
Phone: 0755-23228870
E-mail: LHXPCB888@126.com
Address: Yanchuan North Industrial Park, Songgang Town, Baoan District, Shenzhen

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