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In the manufacture of surface-mount printed-circuit boards (PCBs), the presence, position, and orientation of surface-mount components must all be checked before soldering can occur. Although once accomplished manually, today's automated PCB production lines mandate the use of fully automated, high-throughput inspection systems.
To meet these demands, developers of PCB inspection systems offer Surface Mount Equipment Manufacturers Association (SMEMA) compatible equipment that can be interfaced with pick-and-place, reflow soldering systems and other automated equipment used in the manufacture of surface-mounted PCBs. "By conforming to this standard," says Alan Hagler,…