From latta at snf.stanford.edu Thu Oct 1 17:29:45 2009 From: latta at snf.stanford.edu (latta at snf.stanford.edu) Date: Thu, 1 Oct 2009 17:29:45 -0700 Subject: Comment tylan1 SNF 2009-10-01 17:29:44: Oct quals Message-ID: WET900 00:39:00 50 wafer spread (expect about 920A) Front = 956A, Std Dev = 10.7 Front Center = 970A, Std Dev = 11.3 Back Center = 985A, Std Dev = 10.0 Back = 1009A, Std Dev = 9.0 Average All = 980A From latta at snf.stanford.edu Thu Oct 1 17:30:46 2009 From: latta at snf.stanford.edu (latta at snf.stanford.edu) Date: Thu, 1 Oct 2009 17:30:46 -0700 Subject: Problem tylan1 SNF 2009-09-30 23:45:10: thickness variation Message-ID: Quals good From latta at snf.stanford.edu Thu Oct 1 17:31:02 2009 From: latta at snf.stanford.edu (latta at snf.stanford.edu) Date: Thu, 1 Oct 2009 17:31:02 -0700 Subject: Comment tylan1 SNF 2009-09-30 10:28:15: tube locked up with H2/O2 alarm Message-ID: archived From latta at snf.stanford.edu Thu Oct 1 17:31:13 2009 From: latta at snf.stanford.edu (latta at snf.stanford.edu) Date: Thu, 1 Oct 2009 17:31:13 -0700 Subject: Comment tylan1 SNF 2009-09-03 12:40:39: Sept quals Message-ID: archived From narii at snf.stanford.edu Wed Oct 14 23:26:52 2009 From: narii at snf.stanford.edu (narii at snf.stanford.edu) Date: Wed, 14 Oct 2009 23:26:52 -0700 Subject: Problem tylan1 SNF 2009-10-14 23:26:51: MFS error:08 Message-ID: N2 not flowing From seymour at snf.stanford.edu Thu Oct 15 08:34:59 2009 From: seymour at snf.stanford.edu (seymour at snf.stanford.edu) Date: Thu, 15 Oct 2009 08:34:59 -0700 Subject: Problem tylan1 SNF 2009-10-14 23:26:51: MFS error:08 Message-ID: Slave computer rebooted and wet800 loaded. I checked MFS460 power supply connections. Ran wet800 and found no errors or faults. From oliversw at snf.stanford.edu Thu Oct 22 12:50:09 2009 From: oliversw at snf.stanford.edu (oliversw at snf.stanford.edu) Date: Thu, 22 Oct 2009 12:50:09 -0700 Subject: Problem tylan1 SNF 2009-10-22 12:50:08: Inner quartz baffle hangs too low Message-ID: The inner quartz baffle hangs too low and I needed to push it up by half a millimeter to have the boat go in again after the process was finished.Now it might scratch the bottom of the tube. From seymour at snf.stanford.edu Thu Oct 22 14:00:23 2009 From: seymour at snf.stanford.edu (seymour at snf.stanford.edu) Date: Thu, 22 Oct 2009 14:00:23 -0700 Subject: Comment tylan1 SNF 2009-10-22 14:00:23: system running wet1100 Message-ID: door was closed and tube runni9ng when I went to look at the loader alignment. From nharjee at snf.stanford.edu Sat Oct 24 13:54:11 2009 From: nharjee at snf.stanford.edu (nharjee at snf.stanford.edu) Date: Sat, 24 Oct 2009 13:54:11 -0700 Subject: Problem tylan1 SNF 2009-10-24 13:54:10: MFS Alarm Message-ID: MFS460 reports N2 leak. From seymour at snf.stanford.edu Mon Oct 26 08:42:52 2009 From: seymour at snf.stanford.edu (seymour at snf.stanford.edu) Date: Mon, 26 Oct 2009 08:42:52 -0700 Subject: Problem tylan1 SNF 2009-10-24 13:54:10: MFS Alarm Message-ID: N2 and H2 flow errors on Mfs460. I had to reboot the MFS460 to clear aeeors. Adjusted MFS460 MFC zeros and did auto zero routine. Loaded wet800 and pushed run. loader opened. found quartz shifted towards door. realigned quartz and made a small adjustment of loader height and checked for loader quartz contact during push, none were found. From seymour at snf.stanford.edu Mon Oct 26 08:45:36 2009 From: seymour at snf.stanford.edu (seymour at snf.stanford.edu) Date: Mon, 26 Oct 2009 08:45:36 -0700 Subject: Problem tylan1 SNF 2009-10-22 12:50:08: Inner quartz baffle hangs too low Message-ID: checked loader alignment and quartz alignment. I moved the burn chamber and the boats to normal position. I raised the loader to be more centered in the tube. Checked for loader tube contact during push. None found. From kimsangb at snf.stanford.edu Sat Oct 31 21:32:44 2009 From: kimsangb at snf.stanford.edu (kimsangb at snf.stanford.edu) Date: Sat, 31 Oct 2009 21:32:44 -0700 Subject: Problem tylan1 SNF 2009-10-31 21:32:43: screen is dead. unable to communicate with computer Message-ID: Nothing is displayed on the LED screen. And the computer can not communicate with the furnace.