Automatic Optical Inspection
AOI stands for Automated Optical Inspection and is a technology that automates the inspection of printed circuit boards (PCBs) through optical technology. It uses a high-resolution monitor and image processing software to scan and analyze the PCB to detect and identify possible defects and errors on the PCB.
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AOI technology is widely used in the quality control process of PCB manufacturing and electronic product manufacturing, which can help manufacturers improve product quality and production efficiency, reduce manufacturing costs and defect rates.
Specifically, AOI technology can detect the following defects and errors:
1.Component position deviation: Check whether the components are correctly installed on the predetermined position of the PCB.
2. Missing components: Detect the presence of uninstalled components on the PCB.
3. Polarity error: Check if the polarity of the components on the PCB is correct.
4. Solder quality: detect the quality of solder joints on PCB, such as short circuit, broken circuit, cold soldering, over soldering, etc.
5. Circuit connection error: Check whether the circuit connection is correct, such as whether there is a power short circuit, etc.
Through the use of AOI technology, automated PCB inspection and defect removal can be achieved, improving product quality and production efficiency, and reducing errors and defects caused by human factors.