Problem tylanbpsg SNF 2006-12-15 12:05:40: PSG400 does not look normal

eata at snf.stanford.edu eata at snf.stanford.edu
Fri Dec 15 12:05:40 PST 2006


PSG400 (4%) has dark cloud like streaks. Seemed to etch fast in 50:1 HF. I'll be able test the wafers in January...




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