From parco at snf.stanford.edu Mon Aug 1 08:25:05 2005 From: parco at snf.stanford.edu (parco at snf.stanford.edu) Date: Mon, 1 Aug 2005 08:25:05 -0700 Subject: Problem wafersaw SNF 2005-08-01 08:25:05: Careful Index 2 Message-ID: Index 2 initial single cut broke part of my wafer. The blade seems to drop hard onto the wafer before dicing. Afterwards, everything diced precisely. BE CAREFUL IN INDEX 2- DO A TEST CUT BEFORE YOU COMMIT TO YOUR ACTUAL 1ST CUT. From me342f at snf.stanford.edu Tue Aug 2 23:59:11 2005 From: me342f at snf.stanford.edu (me342f at snf.stanford.edu) Date: Tue, 2 Aug 2005 23:59:11 -0700 Subject: Problem wafersaw SNF 2005-08-02 23:59:11: spindle not turning Message-ID: Came in @2300 tuesday. When changing blade, observed extreme difficulty in turning spindle, reported problem From eenriquez at snf.stanford.edu Wed Aug 3 09:12:32 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Wed, 3 Aug 2005 09:12:32 -0700 Subject: Shutdown wafersaw SNF 2005-08-03 09:12:31: Spindle won't spin-up Message-ID: From eenriquez at snf.stanford.edu Mon Aug 22 17:21:45 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 22 Aug 2005 17:21:45 -0700 Subject: Shutdown wafersaw SNF 2005-08-03 09:12:31: Spindle won't spin-up Message-ID: Rebuilt the spindle and chuck. From eenriquez at snf.stanford.edu Mon Aug 22 17:24:05 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 22 Aug 2005 17:24:05 -0700 Subject: Problem wafersaw SNF 2005-08-02 23:59:11: spindle not turning Message-ID: Rebuilt spindle and chunk. From eenriquez at snf.stanford.edu Mon Aug 22 17:25:00 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 22 Aug 2005 17:25:00 -0700 Subject: Problem wafersaw SNF 2005-08-01 08:25:05: Careful Index 2 Message-ID: Rebuilt spindle and chuck. Adjusted all axis alignment and timing settings From eenriquez at snf.stanford.edu Mon Aug 22 17:27:49 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 22 Aug 2005 17:27:49 -0700 Subject: Comment wafersaw SNF 2005-07-29 17:05:09: Chuck not flat Message-ID: You are correct. The chuck is off 0.4 mil front to back (4" wafer) and 0.2 mil left to right. From eenriquez at snf.stanford.edu Mon Aug 22 17:27:57 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 22 Aug 2005 17:27:57 -0700 Subject: Problem wafersaw SNF 2005-07-28 22:28:29: Blade coming down on top of sample Message-ID: Rebuilt spindle and chuck. Adjusted all axis alignment and timing settings From eenriquez at snf.stanford.edu Mon Aug 22 17:28:08 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 22 Aug 2005 17:28:08 -0700 Subject: Comment wafersaw SNF 2005-07-19 10:24:01: still overshooting Message-ID: Rebuilt spindle and chuck. Adjusted all axis alignment and timing settings From eenriquez at snf.stanford.edu Mon Aug 22 17:28:26 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 22 Aug 2005 17:28:26 -0700 Subject: Comment wafersaw SNF 2005-06-24 15:59:34: Crunchy noise Message-ID: Rebuilt spindle and chuck. Adjusted all axis alignment and timing settings From eenriquez at snf.stanford.edu Mon Aug 22 17:29:18 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 22 Aug 2005 17:29:18 -0700 Subject: Comment wafersaw SNF 2005-06-23 18:49:46: Camera/Monitor issue Message-ID: Temporarily repaired the video cable. A new cable should arrive tomorrow. From eenriquez at snf.stanford.edu Mon Aug 22 17:29:30 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 22 Aug 2005 17:29:30 -0700 Subject: Comment wafersaw SNF 2005-06-06 15:26:01: Replaced defective limit switches Message-ID: ok From avkearne at snf.stanford.edu Wed Aug 24 18:42:38 2005 From: avkearne at snf.stanford.edu (avkearne at snf.stanford.edu) Date: Wed, 24 Aug 2005 18:42:38 -0700 Subject: Problem wafersaw SNF 2005-08-24 18:42:37: low water pressure Message-ID: was unable to obtain sufficient water pressure From mtang at snf.stanford.edu Thu Aug 25 07:02:01 2005 From: mtang at snf.stanford.edu (mtang at snf.stanford.edu) Date: Thu, 25 Aug 2005 07:02:01 -0700 Subject: Shutdown wafersaw SNF 2005-08-25 07:02:01: Low Water pressure Message-ID: From mtang at snf.stanford.edu Thu Aug 25 07:15:16 2005 From: mtang at snf.stanford.edu (mtang at snf.stanford.edu) Date: Thu, 25 Aug 2005 07:15:16 -0700 Subject: Problem wafersaw SNF 2005-08-24 18:42:37: low water pressure Message-ID: From mtang at snf.stanford.edu Thu Aug 25 07:16:09 2005 From: mtang at snf.stanford.edu (mtang at snf.stanford.edu) Date: Thu, 25 Aug 2005 07:16:09 -0700 Subject: Shutdown wafersaw SNF 2005-08-25 07:02:01: Low Water pressure Message-ID: Oops. Cesar evidently looked at it, but didn't note it in Coral. From lxuwind at snf.stanford.edu Mon Aug 29 17:14:26 2005 From: lxuwind at snf.stanford.edu (lxuwind at snf.stanford.edu) Date: Mon, 29 Aug 2005 17:14:26 -0700 Subject: Shutdown wafersaw SNF 2005-08-29 17:14:25: height calibration doesn't go through Message-ID: The utility status page shows up and says "CHUCK GROUNDED" From cbaxter at snf.stanford.edu Mon Aug 29 20:28:53 2005 From: cbaxter at snf.stanford.edu (cbaxter at snf.stanford.edu) Date: Mon, 29 Aug 2005 20:28:53 -0700 Subject: Shutdown wafersaw SNF 2005-08-29 17:14:25: height calibration doesn't go through Message-ID: reset system and calibrate height ok. From sjo at snf.stanford.edu Tue Aug 30 00:00:36 2005 From: sjo at snf.stanford.edu (sjo at snf.stanford.edu) Date: Tue, 30 Aug 2005 00:00:36 -0700 Subject: Problem wafersaw SNF 2005-08-30 00:00:35: Z-Height Calibration Not Possible Message-ID: I can't do the Z-Height Calibration. It says "Chuck Grounded". From mtang at snf.stanford.edu Tue Aug 30 06:55:17 2005 From: mtang at snf.stanford.edu (mtang at snf.stanford.edu) Date: Tue, 30 Aug 2005 06:55:17 -0700 Subject: Problem wafersaw SNF 2005-08-30 00:00:35: Z-Height Calibration Not Possible Message-ID: Reset the system. There seems to be something wrong, as it keeps recurring, but the reset should allow the next person to run. Will ask Elmer about it. From mtang at snf.stanford.edu Tue Aug 30 06:57:45 2005 From: mtang at snf.stanford.edu (mtang at snf.stanford.edu) Date: Tue, 30 Aug 2005 06:57:45 -0700 Subject: Problem wafersaw SNF 2005-08-30 06:57:45: Z-height calibration problem Message-ID: Three incidents have been reported in the last day in which the system stops during the Z-height calibration. A reset of the computer seems to work get around this for now, but if you do not feel comfortable doing this, contact a staff member or expert user. From lxuwind at snf.stanford.edu Tue Aug 30 17:29:17 2005 From: lxuwind at snf.stanford.edu (lxuwind at snf.stanford.edu) Date: Tue, 30 Aug 2005 17:29:17 -0700 Subject: Shutdown wafersaw SNF 2005-08-30 17:29:16: get stufked at z calibration even after reset Message-ID: get stufked at z calibration even after reseting the machine From cbaxter at snf.stanford.edu Tue Aug 30 20:50:09 2005 From: cbaxter at snf.stanford.edu (cbaxter at snf.stanford.edu) Date: Tue, 30 Aug 2005 20:50:09 -0700 Subject: Shutdown wafersaw SNF 2005-08-30 17:29:16: get stufked at z calibration even after reset Message-ID: reset system and initialize spindle.