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Which PCBA defects can be detected by the AOI?

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In the process of PCBA production, PCBA defects will inevitably occur. Some circuit board manufacturers may choose manual inspection, but manual inspection is slow, and manual inspection is not easy to find some defects, but AOI (Automatic Optic Inspection) can effectively detect defects on the PCBA board.


PCB AOI machine

Electronic circuit board components

AOI can detect PCB defects:


1. Poor line width

2. The spacing is too large or too small

3. Too much copper

4. Pad defect

5. Short circuit

6. Scratch

7. Hole break

8. Identify the wrong mounting part

9. Other Appearance defect

The use of AOI is more reliable than manual visual inspection, can detect problems that are not easily detected by manual detection, and timely detect defective PCBAs, effectively improving the quality of PCBA.


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