Problem epi2 SNF 2011-03-22 16:36:26: Devitrificated upper dome

[tberg at snf.stanford.edu]

Replaced upper dome, cleaned other quartz. Re assemble4d, Baked  in active idle for 2 hours. Ran Mo etch. Checked blower pressure at 4 " for the top. Checked HCl pressure. Baking in active idle