PCB: Printed Circuit Board
PCBA: Printed Circuit Board Assembly
A PCB is an empty board filled with circuits, and it is only called a PCBA after all electronic components have been assembled onto the PCB.
We generally refer to PCBs that have already printed electronic circuits but have not yet assembled components as "blank boards," "bare boards," or "light boards" to distinguish them from PCBAs.
Strictly speaking, PCB can be considered as one of the components that make up PCBA, and it should be a very important electronic component. It is the support for electronic components and the carrier for electrical connections between electronic components.
What are the advantages of PCB being widely used? The key points are as follows:
1. High wiring density, small size, and light weight are conducive to the miniaturization of electronic products. With the development of technology and the increasing demand for thinner, shorter, and more multifunctional electronic products, there is a trend for PCB process equipment to gradually approach early integrated circuit technology, and some processes also tend to gradually adopt semiconductor equipment.
2. High stability. It can be produced in large quantities, reducing the problem of cable wiring assembly errors, and reducing equipment maintenance, debugging, and inspection time through modular design.
3. Automate production. PCB and PCBA can currently be almost fully automated in production, reducing labor costs and operational errors, improving labor production efficiency, and promoting product price popularization in the market. The design can be standardized or designed as modules. When different functions are needed, simply replace the entire PCBA board.
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