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64 SMT007 MAGAZINE I FEBRUARY 2023 Editor's note: Indium Corporation's Ron Lasky continues this series of columns about Maggie Benson, a fictional character, to demonstrate continuous improvement and education in SMT assembly. We continue to look in on Andy Connors, Sue March, and Chuck Tower at Castellanos Electronics aer Maggie and John's decision to buy the company. Sue is working on min- imizing defects that have been categorized in a Pareto chart 1 , whereas Andy is working on a training program to develop some process engineers, and Chuck is performing an audit to identify and improve uptime and profitability. Chuck has called a meeting with Andy and Sue to assess their progress. "Well, the audit I performed went quite well," Chuck began. "As Slow and Steady Is Still Progress we thought, there are possible improvements in uptime. I'm also suggesting a different solder paste, as the one they have has poor response- to-pause 2 ." "It always surprises me that there are people who choose to use a paste that hurts uptime and yields just to save a few pennies per gram," Andy commented. "Yeah, then they lose tens of thousands of dollars in productivity and yields," Chuck said. "So that's something to address. I have to admit, though, that as José and I worked on develop- ing an action plan to improve other aspects of the processes, I was quite impressed with their starting point. Unfortunately, I'm going home tomorrow, so Andy, could you work with José on the action plan?" "Sure thing, boss!" Andy replied jokingly. Sue sensed it was her turn Maggie Benson's Journey by Dr. Ronald C. Lasky, INDIUM CORPORATION 64 SMT007 MAGAZINE I FEBRUARY 2023

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