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| How to detect empty solder and lack of solder? What is AOI? |
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Empty solder can be found by short circuit test, but there is a little difficult if it is cold welding,because telecommunications intermittent, sometimes just undetectable, which is not easy to completely detect the contact potential problems.
The so-called AOI (Auto Optical Inspection), which is using an optical recognition mechanism to replace eye for visual interpretation. Simply saying that automatic optical inspection systems.
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