From khskoo at snf.stanford.edu  Mon Feb  8 21:55:36 2010
From: khskoo at snf.stanford.edu (khskoo at snf.stanford.edu)
Date: Mon, 8 Feb 2010 21:55:36 -0800
Subject: Problem tylan2 SNF 2010-02-08 21:55:36: quartz tweezer is broken
Message-ID: <mailman.731.1356283651.4932.tylan2-pcs@snf.stanford.edu>




From zzp at snf.stanford.edu  Mon Feb  8 22:48:55 2010
From: zzp at snf.stanford.edu (zzp at snf.stanford.edu)
Date: Mon, 8 Feb 2010 22:48:55 -0800
Subject: Problem tylan2 SNF 2010-02-08 22:48:54: vaccumm tweezer broken
Message-ID: <mailman.732.1356283651.4932.tylan2-pcs@snf.stanford.edu>

i used it with great difficulty for the first few wafers but the head dropped out eventually at the 3rd wafer. It probably put some particles on my wafers because I saw some red rings on those wafers after oxidation. 



From tberg at snf.stanford.edu  Tue Feb  9 06:59:17 2010
From: tberg at snf.stanford.edu (tberg at snf.stanford.edu)
Date: Tue, 9 Feb 2010 06:59:17 -0800
Subject: Problem tylan2 SNF 2010-02-08 21:55:36: quartz tweezer is broken
Message-ID: <mailman.733.1356283651.4932.tylan2-pcs@snf.stanford.edu>

Replaced vacuum wand tip



From tberg at snf.stanford.edu  Tue Feb  9 06:59:30 2010
From: tberg at snf.stanford.edu (tberg at snf.stanford.edu)
Date: Tue, 9 Feb 2010 06:59:30 -0800
Subject: Problem tylan2 SNF 2010-02-08 22:48:54: vaccumm tweezer broken
Message-ID: <mailman.734.1356283651.4932.tylan2-pcs@snf.stanford.edu>

Replaced vacuum wand tip



From tberg at snf.stanford.edu  Tue Feb  9 06:59:58 2010
From: tberg at snf.stanford.edu (tberg at snf.stanford.edu)
Date: Tue, 9 Feb 2010 06:59:58 -0800
Subject: Comment tylan2 SNF 2010-01-15 10:16:39: tylan 2: 10:30am - 1:00pm released 
Message-ID: <mailman.735.1356283651.4932.tylan2-pcs@snf.stanford.edu>

Noted



From latta at snf.stanford.edu  Tue Feb 16 16:02:35 2010
From: latta at snf.stanford.edu (latta at snf.stanford.edu)
Date: Tue, 16 Feb 2010 16:02:35 -0800
Subject: Comment tylan2 SNF 2010-02-16 16:02:35: Feb quals
Message-ID: <mailman.736.1356283651.4932.tylan2-pcs@snf.stanford.edu>

WET900  00:39:00  50 wafer spread
  (expect about 920A)
Front = 894A, Std Dev = 7.9
Front Center = 929A, Std Dev = 8.8
Back Center = 952A, Std Dev = 10.0
Back = 976A, Std Dev = 6.4
Average All = 938A



From latta at snf.stanford.edu  Tue Feb 16 16:02:48 2010
From: latta at snf.stanford.edu (latta at snf.stanford.edu)
Date: Tue, 16 Feb 2010 16:02:48 -0800
Subject: Comment tylan2 SNF 2010-01-07 17:21:59: Jan re-qual
Message-ID: <mailman.737.1356283651.4932.tylan2-pcs@snf.stanford.edu>

archived



From latta at snf.stanford.edu  Tue Feb 16 16:03:14 2010
From: latta at snf.stanford.edu (latta at snf.stanford.edu)
Date: Tue, 16 Feb 2010 16:03:14 -0800
Subject: Comment tylan2 SNF 2010-01-07 17:24:06: Back wafer 10%+ thicker than front three
Message-ID: <mailman.738.1356283651.4932.tylan2-pcs@snf.stanford.edu>

Feb quals good