SEMI Standards Doc

For one sided control limits ( = (Ind. For two sided control limits ( = (Ind/2. If tcrit calculates to be less than 3 then it is set at 3. 3. The skewness correction factor, a, is calculated as follows. This is a function of nj and p’ where: p’ = p for a one sided limit and. p’ = 2p for a two sided limit… ................
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