Comment thermcopoly1 SNF 2012-03-03 10:21:08: aborted sapphire process for now

jaehlee at snf.stanford.edu jaehlee at snf.stanford.edu
Sat Mar 3 10:21:09 PST 2012


Among 8 sapphire wafers, 4 wafers broke after the boat out. It seems that slow cooling is required due to thermal expansion mismatch. 
thanks!




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