From lindaw at snf.stanford.edu Wed Jan 24 09:51:04 2007 From: lindaw at snf.stanford.edu (lindaw at snf.stanford.edu) Date: Wed, 24 Jan 2007 09:51:04 -0800 Subject: Comment zygo SNF 2007-01-24 09:51:04: found some kind of oily residue on stage Message-ID: I cleaned it off with Isopropyl on a clean room wipe. There are also some new scratches on the left side of the stage. It looks like someone was trying to slide metal tweezers under large wafer or something.