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Automated stencil printing is the heart of modern SMT production. The typical SMT line runs at 90-95% yield because the stencil printer is an incredibly challenging process to manage. Industry experts estimate that there are over three dozen different stencil printing parameters or variables that must be controlled. The whole system is so complex —…

A large electronics OEM near Chicago, Illinois was concerned about their stencil printing costs. Despite their best efforts, they observed persistent stencil printing problems which led to increased rework, reduced through-put and added costs. To respond to this situation, and as a general effort of “continuous improvement” they developed and deployed a systematic, reliable stencil…