From emyers at snf.stanford.edu Mon May 2 10:11:27 2011 From: emyers at snf.stanford.edu (emyers at snf.stanford.edu) Date: Mon, 2 May 2011 10:11:27 -0700 Subject: Comment intlvac_sputter SNF 2011-05-02 10:11:27: Still Unable to pump down Message-ID: System stalling at ~20mtorr. This is after droping the mounting plate and cleaning the seal and seats. From emyers at snf.stanford.edu Fri May 6 14:52:24 2011 From: emyers at snf.stanford.edu (emyers at snf.stanford.edu) Date: Fri, 6 May 2011 14:52:24 -0700 Subject: Comment intlvac_sputter SNF 2011-05-02 10:11:27: Still Unable to pump down Message-ID: Jim found the shutter feedthru on AC2 had a failed snap ring. System is back together and pumping into the upper E-8 range. From emyers at snf.stanford.edu Fri May 6 14:52:32 2011 From: emyers at snf.stanford.edu (emyers at snf.stanford.edu) Date: Fri, 6 May 2011 14:52:32 -0700 Subject: Shutdown intlvac_sputter SNF 2011-04-20 16:21:41: Cathode out for repair Message-ID: Jim found the shutter feedthru on AC2 had a failed snap ring. System is back together and pumping into the upper E-8 range. From emyers at snf.stanford.edu Fri May 6 14:52:41 2011 From: emyers at snf.stanford.edu (emyers at snf.stanford.edu) Date: Fri, 6 May 2011 14:52:41 -0700 Subject: Comment intlvac_sputter SNF 2011-04-20 16:21:03: Restarted System after EMO Message-ID: Jim found the shutter feedthru on AC2 had a failed snap ring. System is back together and pumping into the upper E-8 range. From emyers at snf.stanford.edu Fri May 6 14:52:50 2011 From: emyers at snf.stanford.edu (emyers at snf.stanford.edu) Date: Fri, 6 May 2011 14:52:50 -0700 Subject: Comment intlvac_sputter SNF 2011-04-20 16:20:49: Water Leak AC1 Message-ID: Jim found the shutter feedthru on AC2 had a failed snap ring. System is back together and pumping into the upper E-8 range. From emyers at snf.stanford.edu Fri May 6 14:55:04 2011 From: emyers at snf.stanford.edu (emyers at snf.stanford.edu) Date: Fri, 6 May 2011 14:55:04 -0700 Subject: Problem intlvac_sputter SNF 2011-05-06 14:55:04: Cathode water flow Message-ID: Gun require 1.6 gal/min. The cathode which failed is getting 0.5 gal/min. DC cathode is getting 0.5 gpm. RF cathode is only getting 0.3 gpm. We need to increase the water flow, or we will keep overheating and blowing water lines. From emyers at snf.stanford.edu Tue May 10 14:04:39 2011 From: emyers at snf.stanford.edu (emyers at snf.stanford.edu) Date: Tue, 10 May 2011 14:04:39 -0700 Subject: Comment intlvac_sputter SNF 2011-05-10 14:04:39: Si and W targets Message-ID: I changed the targets so there are 2 Si targets in the AC cathodes and a W target in the RF cathode.