Downstream application distribution of China's PCB industry: Consumer electronics account for a relatively high proportion, reaching 39%; followed by computers, accounting for 22%; communications account for 14%; industrial control / medical instruments account for 14%; automotive electronics account for 6%; defense aerospace account for 5%.

The reason why PCB can be used more more widely, because it has many unique advantages, can be summarized as follows:

High Density: For decades, the high density of printed boards has been able to develop with the integration of integrated circuits advances in mounting technology.

High reliability: Through a series of inspections, tests aging tests, the PCB can be guaranteed to work reliably for a long period of time (usually 20 years).

Designability: For various performance (electrical, physical, chemical, mechanical, etc.) requirements of the PCB, printed board design can be achieved through design standardization standardization, with short time high efficiency.

Producibility: Adopt modern management, can carry out standardization, scale (quantity), automation other production to ensure consistent product quality.

Testability: Established relatively complete test methods, test standards, various test equipment instruments to test identify the qualification service life of PCB products.

Assemblability: PCB products are only convenient for standardized assembly of various components, but also can be automated large-scale mass production. At the same time, PCBs various component assembly components can be assembled to form larger components systems, up to the entire machine.

Maintainability: Since PCB products various component assembly parts are standardized design large-scale production, these parts are also standardized. Therefore, once the system fails, it can be replaced quickly, easily flexibly, the system can be quickly resumed. Of course, you can give more examples. For example, the system can be miniaturized lightened, the signal transmission speed can be increased. Double-sided multilayer circuit board

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