From mperez at snf.stanford.edu Thu Jun 2 17:55:36 2005 From: mperez at snf.stanford.edu (mperez at snf.stanford.edu) Date: Thu, 2 Jun 2005 17:55:36 -0700 Subject: Problem wafersaw SNF 2005-06-02 17:55:35: calibration problem Message-ID: had to reset tool, now seems to have problems starting back up From xpxie at snf.stanford.edu Thu Jun 2 19:41:00 2005 From: xpxie at snf.stanford.edu (xpxie at snf.stanford.edu) Date: Thu, 2 Jun 2005 19:41:00 -0700 Subject: Problem wafersaw SNF 2005-06-02 19:40:59: Calibration problem still Message-ID: From eenriquez at snf.stanford.edu Fri Jun 3 08:51:18 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Fri, 3 Jun 2005 08:51:18 -0700 Subject: Problem wafersaw SNF 2005-06-02 19:40:59: Calibration problem still Message-ID: Manually move the z and x axis limit switches and resetted the system. Once again; Do not press the "Emergency Stop" button unless its an emergency. This will prevent all the axis motors from rehoming at start-up. I will speak to Mary when she returns about possibly changing the shutdown and start-up procedures. From eenriquez at snf.stanford.edu Fri Jun 3 08:51:32 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Fri, 3 Jun 2005 08:51:32 -0700 Subject: Problem wafersaw SNF 2005-06-02 17:55:35: calibration problem Message-ID: Manually move the z and x axis limit switches and resetted the system. Once again; Do not press the "Emergency Stop" button unless its an emergency. This will prevent all the axis motors from rehoming at start-up. I will speak to Mary when she returns about possibly changing the shutdown and start-up procedures. From eenriquez at snf.stanford.edu Fri Jun 3 08:51:59 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Fri, 3 Jun 2005 08:51:59 -0700 Subject: Comment wafersaw SNF 2005-05-28 19:26:08: Works Fine Now. Many Thanks to Eric! Message-ID: thanks eric From eenriquez at snf.stanford.edu Fri Jun 3 08:52:27 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Fri, 3 Jun 2005 08:52:27 -0700 Subject: Comment wafersaw SNF 2005-05-25 21:54:10: Worked well, but camera flickered Message-ID: From eenriquez at snf.stanford.edu Mon Jun 6 15:26:02 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 6 Jun 2005 15:26:02 -0700 Subject: Comment wafersaw SNF 2005-06-06 15:26:01: Replaced defective limit switches Message-ID: Replaced the y (back) and z (top) limit switches. Checked shutdown and start-up with Eric. Looks like we can follow the old shutdown procedure of pressing the emergency stop button. From bree at snf.stanford.edu Wed Jun 8 14:54:41 2005 From: bree at snf.stanford.edu (bree at snf.stanford.edu) Date: Wed, 8 Jun 2005 14:54:41 -0700 Subject: Problem wafersaw SNF 2005-06-08 14:54:41: saw did not reset after single cut Message-ID: After making a few good cuts, the saw did not start the single cut at the proper diameter. It raised and lowered abruptly onto the surface and killed my blade. From cbaxter at snf.stanford.edu Wed Jun 8 16:32:38 2005 From: cbaxter at snf.stanford.edu (cbaxter at snf.stanford.edu) Date: Wed, 8 Jun 2005 16:32:38 -0700 Subject: Problem wafersaw SNF 2005-06-08 14:54:41: saw did not reset after single cut Message-ID: found y axis was on the limit switch, moved off from the limit swtich and run a test. was unble to duplicate error. From parco at snf.stanford.edu Fri Jun 10 09:54:33 2005 From: parco at snf.stanford.edu (parco at snf.stanford.edu) Date: Fri, 10 Jun 2005 09:54:33 -0700 Subject: Problem wafersaw SNF 2005-06-10 09:54:31: usually problem Message-ID: try to turn off (hit stop); wafersaw shifted to the far left corner, then up. It seem usual procedure to rest at end of the step. Informed Maurice (6/10/05- 9:45am) From eenriquez at snf.stanford.edu Fri Jun 10 10:16:29 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Fri, 10 Jun 2005 10:16:29 -0700 Subject: Problem wafersaw SNF 2005-06-10 09:54:31: usually problem Message-ID: Reset the system From maurice at snf.stanford.edu Tue Jun 14 16:28:08 2005 From: maurice at snf.stanford.edu (maurice at snf.stanford.edu) Date: Tue, 14 Jun 2005 16:28:08 -0700 Subject: Comment wafersaw SNF 2005-06-14 16:28:08: reset system Message-ID: theta motor stuck From fengj at snf.stanford.edu Sun Jun 19 18:51:55 2005 From: fengj at snf.stanford.edu (fengj at snf.stanford.edu) Date: Sun, 19 Jun 2005 18:51:55 -0700 Subject: Shutdown wafersaw SNF 2005-06-19 18:51:54: Very bad condition Message-ID: When I came to the room, the "emergency stop" light was on, the tray was all the way to the right, and the chuck was way off the six o'clock position. I tried to start the machine following the instructions, but it ran a EPROM test and was then stuck in the calibration procedure. From eenriquez at snf.stanford.edu Mon Jun 20 07:21:26 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 20 Jun 2005 07:21:26 -0700 Subject: Shutdown wafersaw SNF 2005-06-19 18:51:54: Very bad condition Message-ID: Reset the system. From eenriquez at snf.stanford.edu Mon Jun 20 07:22:11 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Mon, 20 Jun 2005 07:22:11 -0700 Subject: Comment wafersaw SNF 2005-06-14 16:28:08: reset system Message-ID: From mtang at snf.stanford.edu Tue Jun 21 10:29:01 2005 From: mtang at snf.stanford.edu (mtang at snf.stanford.edu) Date: Tue, 21 Jun 2005 10:29:01 -0700 Subject: Shutdown wafersaw SNF 2005-06-21 10:29:00: System lockup Message-ID: The system is stuck in countdown. The Y-axis motor is stuck all the way back and the alarm is on. I tried resetting the computer, but the Power still says "OFF". Down for maintenance repair. From eenriquez at snf.stanford.edu Tue Jun 21 16:11:09 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Tue, 21 Jun 2005 16:11:09 -0700 Subject: Shutdown wafersaw SNF 2005-06-21 10:29:00: System lockup Message-ID: replaced burnt out 28 v fuse and reset the system. From tevis at snf.stanford.edu Wed Jun 22 14:28:55 2005 From: tevis at snf.stanford.edu (tevis at snf.stanford.edu) Date: Wed, 22 Jun 2005 14:28:55 -0700 Subject: Problem wafersaw SNF 2005-06-22 14:28:54: CDA Error Message-ID: The machine thinks its air is low even when the CDA is fully on. I think it's a fault with the pressure switch. Probably a pretty easy repair. From eenriquez at snf.stanford.edu Wed Jun 22 15:21:53 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Wed, 22 Jun 2005 15:21:53 -0700 Subject: Problem wafersaw SNF 2005-06-22 14:28:54: CDA Error Message-ID: adjusted cda pressure switch From langrock at snf.stanford.edu Thu Jun 23 18:49:47 2005 From: langrock at snf.stanford.edu (langrock at snf.stanford.edu) Date: Thu, 23 Jun 2005 18:49:47 -0700 Subject: Comment wafersaw SNF 2005-06-23 18:49:46: Camera/Monitor issue Message-ID: I was just wondering whether anybody else thinks that it is time to get the camera fixed and or replaced. I find it extremely hard these days to see streets that can easily be seen with the naked eye. This didn't use to be this way at all. Jobs that should take 45min now take in excess of 2 hours, just because the street alignment is so unbelievably difficult. From mtang at snf.stanford.edu Fri Jun 24 07:38:51 2005 From: mtang at snf.stanford.edu (Mary Tang) Date: Fri, 24 Jun 2005 07:38:51 -0700 Subject: Comment wafersaw SNF 2005-06-23 18:49:46: Camera/Monitor issue Message-ID: <42BC1AFB.3050500@snf.stanford.edu> Yes, I agree. Sorry, a couple of us had been looking into this, but perhaps not as diligently as we should. (The one we have is ancient and the interface is old, so can't easily be upgraded to a modern one -- and heck, where can you find a B&W monitor these days??) My apologies -- I'll follow up with the others. Mary langrock at snf.stanford.edu wrote: >I was just wondering whether anybody else thinks that it is time to get the camera fixed and or replaced. I find it extremely hard these days to see streets that can easily be seen with the naked eye. This didn't use to be this way at all. Jobs that should take 45min now take in excess of 2 hours, just because the street alignment is so unbelievably difficult. > > -- Mary X. Tang, Ph.D. Stanford Nanofabrication Facility CIS Room 136, Mail Code 4070 Stanford, CA 94305 (650)723-9980 mtang at stanford.edu http://snf.stanford.edu From rcrane at snf.stanford.edu Fri Jun 24 07:56:06 2005 From: rcrane at snf.stanford.edu (Dick Crane) Date: Fri, 24 Jun 2005 07:56:06 -0700 Subject: Comment wafersaw SNF 2005-06-23 18:49:46: Camera/Monitor issue Message-ID: <42BC1F06.60508@snf.stanford.edu> I'm afraid it is not as simple as replacing the camera. (We tried that last year.) The optical path (camera and lighting) is subject to water and silicon debris intrusion and clean-up after the last cut. I'll take a look. Love to install a newer saw. Dick langrock at snf.stanford.edu wrote: >I was just wondering whether anybody else thinks that it is time to get the camera fixed and or replaced. I find it extremely hard these days to see streets that can easily be seen with the naked eye. This didn't use to be this way at all. Jobs that should take 45min now take in excess of 2 hours, just because the street alignment is so unbelievably difficult. > > From mtang at snf.stanford.edu Fri Jun 24 10:55:23 2005 From: mtang at snf.stanford.edu (mtang at snf.stanford.edu) Date: Fri, 24 Jun 2005 10:55:23 -0700 Subject: Shutdown wafersaw SNF 2005-06-24 10:55:22: System locked up Message-ID: The previous user (langrock) told me the system was working, but when he disabled it, the chuck went to 4 o'clock position and the table went to the far right. So, I tried starting the system up -- it looks like it somehow reset itself, but gets stuck in the self-calibration procedure. Help! From eenriquez at snf.stanford.edu Fri Jun 24 13:19:43 2005 From: eenriquez at snf.stanford.edu (eenriquez at snf.stanford.edu) Date: Fri, 24 Jun 2005 13:19:43 -0700 Subject: Shutdown wafersaw SNF 2005-06-24 10:55:22: System locked up Message-ID: Reset the system From mtang at snf.stanford.edu Fri Jun 24 15:59:34 2005 From: mtang at snf.stanford.edu (mtang at snf.stanford.edu) Date: Fri, 24 Jun 2005 15:59:34 -0700 Subject: Comment wafersaw SNF 2005-06-24 15:59:34: Crunchy noise Message-ID: There was a disturbing crunchy noise when we went from index I to index II. The alignment was bad when going back to index I. Tested it out again a few times and it seems to work fine now.