China Brands PCBA Services for Engineering Support Door to Door Price


PCBA Services for Engineering Support Door to Door

I believe many people are not unfamiliar with PCB, and they may hear about it in daily life. However, they may not know much about PCBA and even be confused with PCB. So what is a PCB? How did PCBA evolve? What is the difference between PCB and PCBA? Let's look at it in detail.

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A Printed Circuit Board is also used to print a Printed Circuit Board. PCB is an important electronic component in the electronic industry. It is the support body of electronic components and the carrier of electrical connection of electronic components. PCB has been widely used in the production and manufacture of electronic products, and its unique characteristics are summarized as follows: high wiring density, small size, light weight, conducive to the miniaturization of electronic equipment. Due to the repeatability and consistency of the graphics, the wiring and assembly errors are reduced and the maintenance, debugging and inspection time of the equipment is saved. It is conducive to mechanization and automation production, improves labor productivity and reduces the cost of electronic equipment. The design can be standardized and interchangeable.

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PCBA is also short for Printed Circuit Board +Assembly, that is to say, PCBA is the whole process of Printed Circuit Board +Assembly after PCB's empty SMT and DIP plug-in. SMT and DIP are ways to integrate parts on PCB board. The main difference is that SMT does not need to drill holes on PCB. In DIP, PIN pins of parts need to be inserted into the holes that have been drilled.

SMT (Surface mounting Technology) mainly adopts mounting machine to mount some small parts on PCB board. The production process is: PCB board positioning, solder paste printing, mounting machine mounting, rewelding furnace and production inspection.

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DIP, or "plug-in," inserts parts on the PCB board, which are plug-ins that integrate parts when they are larger and not suitable for mount technology. Its main production process is: paste adhesive, plug-in, inspection, wave soldering, brush plate and production inspection.

From the above introduction, it can be seen that PCBA generally refers to a processing process, which can also be understood as finished circuit board, which can only be calculated as PCBA after all the processes on the PCB board have been completed. A PCB is an empty printed circuit board with no parts on it. In general, PCBA is the finished plate; PCB is bare board.

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