The beginning
AOI is an automated optical inspection technology widely used for visual inspection of printed circuit boards (PCBs). Compared with traditional manual inspection methods, AOI machines can provide faster, more accurate, and more comprehensive detection results.
AOI machines can perform 100% visibility inspection on all components and solder joints on printed circuit boards. Both surface printed circuit board (SMT) and plug-in (THT) parts can be automatically recognized and detected on the AOI input system. These parts include resistors, capacitors, diodes, transistors, QFP, BGA, etc. AOI machines can also detect PCB markings and positions, as well as specific PCB design requirements.
AOI machines can not only check whether the components of the printed circuit board are correct, but also check whether the welding points on the circuit board are correct. The welding process is one of the most crucial links in the production of printed circuit boards, and the quality of welding will directly affect the performance and reliability of printed circuit boards. AOI machines can detect the glossiness, abnormalities, shape, and other details of these welding points, ensuring a flawless welding process.
AOI technology is one of the key technologies for quality control of printed circuit boards, and the use of AOI will improve the reliability and stability of printed circuit board manufacturing. The scope of AOI inspection is very extensive, as it can inspect the surface, interior, and bottom of the circuit board to ensure that every step of the entire manufacturing process meets the requirements. In other words, the inspection scope of AOI machine is not only limited to the parts and welding points on the PCB, but also includes every Committed step in the whole PCB manufacturing process.
In summary, the inspection scope of AOI machines is very extensive, capable of 100% visibility inspection of printed circuit board components and welding points, and ensuring that every step of the entire manufacturing process meets the requirements. The widespread application of AOI technology will provide efficient, accurate, and reliable quality control methods for printed circuit board manufacturing, further improving the quality and reliability of printed circuit boards.
