AOI Performance in the EMS Environment: A Two Year Review

摘要

AOI machines can be used in several stages of the manufacturing process. Independent of the process step in which the machine is installed. There is always an improvement in terms of inspection efficiency and test yield is seen to increase. This improvement will be higher or lower depending on the step in which AOI is installed. We can get better results in terms of quality if the inspection is done in the later steps in the process, as the coverage will be higher. An EMS provider should also take into account other factors. After further study and considering several options, it has been seen that installing the AOI system after reflow oven for the products processed in the high volume line; a balance can be reached between quality and cost. Another important point that has not been considered in the study, is the fact that having this technology can attract rew customers, especially when their products do rot have electrical test. This is the case of the producl #5.