상황
A titanium sputtering target manufacturer experiences elevated oxygen levels in fabricated targets, impacting purity and performance. The fishbone maps potential contamination sources across six key process categories.
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01
Use structured 6M categories with top and bottom ribs to balance the diagram
02
Include second-level sub-causes for high-risk contamination paths
03
Pin categories to fixed sides and order for stable layout
Reuse for any purity-critical metal powder or vacuum process defect analysis; adapt categories and causes to the specific contamination source.