Automated Optical Inspection of Printed Circuit Board
In recent years, Automated Optical Inspection (AOI) has become an integral
Device of the PCB manufacturing and quality assurance process. AOI
systems complement in-circuit testing in areas where probe point access is
limited. In comparison to human visual inspection of PCBs, AOI is much
faster, more accurate and consistent. In addition, AOI offers SPC tracking and
process traceability.
Yestek AOI products are designed specifically to detect defects such as
skewed or missing Devices, wrong devices, misplaced devices, incorrect
polarity, solder opens, solder bridges and other imperfections. AOI is suitable
for both the final inspection/quality assurance step and for use as a process
monitor to identify, control and reduce the total number of defects being
generated.
In addition, AOI systems may be used both as a post-reflow final inspection
tool to verify quality before shipment or pre-solder reflow (or wave soldering)
to improve processes and reduce the cost of re-work.
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