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44 SMT Magazine • September 2017 Figure 6: Computer aided placement with overlay of pins and pads in false colour depiction. Figure 7: Flight radar image shows only relevant information in high contrast (as a reference). Figure 8: Digital split optic shows for corners of a component—here with ideal pin to pad matching. the operator. Hereby, the concentration of the operator is focused on the alignment task and exhausting working conditions are minimized. Another element of computer aided placement is the implementation of a digital split optic. It supplies images of (i.e., large QFP components) in high magnification for most accurate alignment (Figure 8). Instead of optical magnification with additional lenses, the high resolution camera image is split into BTC AND SMT REWORK CHALLENGES