Comment tylan2 SNF 2012-02-14 15:58:58: Re-test of Feb quals

latta at snf.stanford.edu latta at snf.stanford.edu
Tue Feb 14 15:58:59 PST 2012


WET900  00:39:00  50 wafer spread
  (expect about 920A)
Front = 873A, Std Dev = 2.6
Front Center = 864A, Std Dev = 5.8
Back Center = 860A, Std Dev = 2.2
Back = 981A, Std Dev= 9.4
Average All = 895A
Uniformity wafer-to-wafer still not good.




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