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The monitoring mechanism uses in-line data which is conservative stratification and grouping to calculation %Bias. (%Bias=bias/process variation.) It represents tools are significant difference when %Bias>10% referring to MSA 2nd manual. As each tool is too stable, the influence of variation would be so sensitive, and the mechanism would be too strict. We developed if we combined %Bias criteria...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.