AOI (Automated Optical Inspection) refers to automated visual inspection of PCB (Printed Circuit Board) manufacture. Here, a camera scans a given device autonomously for quality defects as well as catastrophic failures.
Fig. 2: IEI AOI Inspection with Intel OpenVINO™ Toolkit
Higher is the accuracy of defects classifications, lower goes the amount spent on repair and review stations. This can be applied on various stages of manufacturing processes like the pre-reflow, post-reflow, solder paste inspection or the bare board inspection stage.