How a Chip Factory Cut Wafer Scrap by 45 Percent

Episode notes

Semiconductor manufacturing is brutally precise: a single speck of dust can ruin a wafer worth thousands of dollars. In this episode, Lucas and Luna dig into how one chip fabrication plant cut wafer scrap by 45 percent - not with a magic new machine, but by applying classic operations discipline to the most high-stakes environment in manufacturing. We trace the journey from the initial yield crisis, through the Pareto analysis that revealed 80 percent of defects came from just two process steps, to the cross-functional 'war room' that brought engineers, technicians, and operators together on the same shift. We talk about the small wins - tweaking the photolithography queue to reduce wait times, adding automated optical inspection checkpoints, and shortening feedback loops on the etch tools - and how the culture shifted from blame to continuous improvement. If you think lean manufacturing only works for assembly lines, this episode will make you think again.

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