Comment drytek2 SNF 2008-07-24 15:05:20: Update

eenriquez at snf.stanford.edu eenriquez at snf.stanford.edu
Thu Jul 24 15:05:20 PDT 2008


Plasma instability seems to be caused by arcing inside the chamber.  For a test, I increased the pressure to 600 mT from 150 mT and the plasma was very stable for 15 minutes.
Noticed that all of the insulators are heavily coated and some of the teflon retainers have broken off.  We will need to rebuild the entire electrode assembly.  The system will be available by 6pm next Wednesday




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