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Today, PCBs are an integral feature of advanced electronic applications. Although all these electronic applications may have differing requirements, still they all require performance-driven, and error-free PCBs. As known, PCBs are also an integral part of mission-critical applications in medical, defense, and military, where lives of people might be at stake. Hence, it becomes important to ensure that PCBs operated as expected. With the advancement in various PCB technologies, the designs are becoming complex. They feature several fragile components and solder connections. At times, it may become difficult to analyze the root cause of failure of components that have led to the catastrophe. Thus, PCB manufacturers are driven by the need of instituting various testing and inspection procedures during the PCB design and manufacturing. This post discusses various PCB defects, and PCB inspection and testing methods adopted by PCB manufacturers to rectify defects.
With so many micro-sized components involved in a PCB assembly, visual inspection becomes difficult. This is where the criticality of inspection comes into the picture. The following are some common defects that are detected during the inspection.
Nowadays, PCB manufacturers are performing the inspection at every stage of manufacturing. This helps them identify the defects, rectify them, and minimize the product recalls. The manufacturers are employing the following techniques to identify those defects:
The above-mentioned are the popular PCB assembly inspection methods employed by the PCB manufacturers. What are the popular PCB testing methods employed by the PCB assembly and manufacturing services? Stay tuned to the next post to know more.
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