For BGA devices and other devices that cannot pass the AOI and visual inspection of the soldering conditions, a certain number of boards need to be randomly inspected during the reproduction process.
For BGA devices and other devices that cannot pass AOI and visual inspection welding, a certain number of boards need to be tested at regular sampling during re-production.
For BGA devices that can't pass AOI and visual inspection, a certain number of boards and cards need to be sampled regularly in the process of reproduction.<br>