What is a printed circuit board?

Release time:

2023-03-29

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Printed circuit board, also known as printed circuit board or printed circuit board, abbreviated as printed circuit board, is often abbreviated as PCB (Printed Circuit Board) or PWB (Printed Wire Board). It is made of insulating board as the substrate and cut into a certain size, with at least one conductive pattern attached to it and holes (such as component holes, fastening holes, metallized holes, etc.) arranged to replace the chassis of electronic components in the past, And achieve interconnection between electronic components. Because this type of board is made using electronic printing technology, it is called a "printed" circuit board.

According to the number of layers of circuit boards, they can be divided into single panel, double-sided board, four layer board, six layer board, and other multi-layer circuit boards.

Due to the fact that printed circuit boards are not general end products, the definition of their names is somewhat confusing. For example, the motherboard used in personal computers is called the motherboard, and cannot be directly referred to as a circuit board. Although there are circuit boards in the motherboard, they are not the same. Therefore, when evaluating the industry, it cannot be said that the two are related. For example, because there are integrated circuit parts loaded on the circuit board, the news media refers to it as an IC board, but in essence, it is not equivalent to a printed circuit board. The printed circuit board we usually refer to is a bare board - a circuit board without any upper components.

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