From jfoster at snf.stanford.edu  Fri Feb  5 13:23:36 2010
From: jfoster at snf.stanford.edu (jfoster at snf.stanford.edu)
Date: Fri, 5 Feb 2010 13:23:36 -0800
Subject: Comment mrc SNF 2010-02-05 13:23:36: diffusion pump weak
Message-ID: <mailman.494.1356282586.4282.mrc-pcs@snf.stanford.edu>

Just a heads up that the diffusion pump seems considerably weaker than last week.. It is still pumping down but foreline pressure goes up considerably when gasses are turned on or when crossing over from roughing pump.
Regards,
John



From mtang at snf.stanford.edu  Sun Feb 21 05:21:43 2010
From: mtang at snf.stanford.edu (mtang at snf.stanford.edu)
Date: Sun, 21 Feb 2010 05:21:43 -0800
Subject: Problem mrc SNF 2010-02-21 05:21:42: No CF4
Message-ID: <mailman.495.1356282586.4282.mrc-pcs@snf.stanford.edu>

Cylinder is empty and needs replacement.



From eenriquez at snf.stanford.edu  Mon Feb 22 07:54:51 2010
From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu)
Date: Mon, 22 Feb 2010 07:54:51 -0800
Subject: Problem mrc SNF 2010-02-21 05:21:42: No CF4
Message-ID: <mailman.496.1356282586.4282.mrc-pcs@snf.stanford.edu>

Installed new CF4 cylinder