Walk a Yield Excursion Without Losing the Thread
Make a sequence of DMAIC-aligned decisions during a semiconductor yield excursion.
Live excursion Final test yield dropped five points in two days. Six theories are competing before the failure boundary is clear. The wrong first decision creates noise that follows the team through the whole investigation. DMAIC decision path Define before Measure, Measure before Analyze, Analyze before Improve The point is not bureaucracy. The point is preserving evidence while the line keeps moving. Common shortcut Jump from alarm to screen or recipe change A clean thread from signal to control. Every stage earns the next one. 01 Define 02 Measure 03 Analyze First call The first dashboard shows overall final test…
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