From jwc at snf.stanford.edu Mon Oct 4 17:52:04 2010 From: jwc at snf.stanford.edu (jwc at snf.stanford.edu) Date: Mon, 4 Oct 2010 17:52:04 -0700 Subject: Shutdown sem4160 SNF 2010-10-04 17:52:03: shutdown pallet lost off rack inside chamber Message-ID: Previous user lelewang reported not seeing sample pallet after loading upon homing stage heard loud thud sample holder inside main chamber -- slit valve fully closed will retrieve tomorrow AM hopefully with Ted bergs assistance. JWC From tberg at snf.stanford.edu Tue Oct 5 13:43:48 2010 From: tberg at snf.stanford.edu (tberg at snf.stanford.edu) Date: Tue, 5 Oct 2010 13:43:48 -0700 Subject: Shutdown sem4160 SNF 2010-10-04 17:52:03: shutdown pallet lost off rack inside chamber Message-ID: recovered pallet and rehomed system back in high vac. Removed large burr from pallet From cachang at snf.stanford.edu Thu Oct 21 20:32:20 2010 From: cachang at snf.stanford.edu (cachang at snf.stanford.edu) Date: Thu, 21 Oct 2010 20:32:20 -0700 Subject: Problem sem4160 SNF 2010-10-21 20:32:19: joystick y motion problem Message-ID: It seems like the spring (if there is a spring) inside the joystick for y motion control is broken. There are no resotring forces for the y motion. We need to move the joystick back to the center to stop the y movement. From karthikv at snf.stanford.edu Fri Oct 22 12:20:55 2010 From: karthikv at snf.stanford.edu (karthikv at snf.stanford.edu) Date: Fri, 22 Oct 2010 12:20:55 -0700 Subject: Problem sem4160 SNF 2010-10-22 12:20:55: joystick Message-ID: Echo cachang on joystick problem. The spring in the y direction is either broken on disconnected. From bchui at snf.stanford.edu Sat Oct 23 01:50:25 2010 From: bchui at snf.stanford.edu (bchui at snf.stanford.edu) Date: Sat, 23 Oct 2010 01:50:25 -0700 Subject: Problem sem4160 SNF 2010-10-23 01:50:25: echo joystick problem Message-ID: Joystick will not "home" or recenter even if you let go, i.e. sample keeps moving. Extremely difficult to position sample as a result. From cachang at snf.stanford.edu Sat Oct 23 20:57:19 2010 From: cachang at snf.stanford.edu (cachang at snf.stanford.edu) Date: Sat, 23 Oct 2010 20:57:19 -0700 Subject: Problem sem4160 SNF 2010-10-23 20:57:18: Images are very blurred Message-ID: Hard to see clear images. The beam align and aperture align might need calibration. From bchui at snf.stanford.edu Sun Oct 24 00:43:31 2010 From: bchui at snf.stanford.edu (bchui at snf.stanford.edu) Date: Sun, 24 Oct 2010 00:43:31 -0700 Subject: Comment sem4160 SNF 2010-10-24 00:43:31: Echo cachang on blurry images Message-ID: Beam conks out if I try to set voltage >5kV From narii at snf.stanford.edu Sun Oct 24 10:55:36 2010 From: narii at snf.stanford.edu (narii at snf.stanford.edu) Date: Sun, 24 Oct 2010 10:55:36 -0700 Subject: Problem sem4160 SNF 2010-10-24 10:55:36: Somthing wrong with the joystick Message-ID: Control is not as sharp as it used to be. From tberg at snf.stanford.edu Mon Oct 25 07:13:12 2010 From: tberg at snf.stanford.edu (tberg at snf.stanford.edu) Date: Mon, 25 Oct 2010 07:13:12 -0700 Subject: Problem sem4160 SNF 2010-10-21 20:32:19: joystick y motion problem Message-ID: Repaired joystick y spring, checked operation From tberg at snf.stanford.edu Mon Oct 25 07:13:21 2010 From: tberg at snf.stanford.edu (tberg at snf.stanford.edu) Date: Mon, 25 Oct 2010 07:13:21 -0700 Subject: Problem sem4160 SNF 2010-10-22 12:20:55: joystick Message-ID: Repaired joystick y spring, checked operation From tberg at snf.stanford.edu Mon Oct 25 07:13:29 2010 From: tberg at snf.stanford.edu (tberg at snf.stanford.edu) Date: Mon, 25 Oct 2010 07:13:29 -0700 Subject: Problem sem4160 SNF 2010-10-23 01:50:25: echo joystick problem Message-ID: Repaired joystick y spring, checked operation From jwc at snf.stanford.edu Mon Oct 25 13:01:48 2010 From: jwc at snf.stanford.edu (jwc at snf.stanford.edu) Date: Mon, 25 Oct 2010 13:01:48 -0700 Subject: Comment sem4160 SNF 2010-10-24 00:43:31: Echo cachang on blurry images Message-ID: cleared From jwc at snf.stanford.edu Mon Oct 25 13:02:17 2010 From: jwc at snf.stanford.edu (jwc at snf.stanford.edu) Date: Mon, 25 Oct 2010 13:02:17 -0700 Subject: Problem sem4160 SNF 2010-10-24 10:55:36: Somthing wrong with the joystick Message-ID: will be time to PM the column at Christmas shut down. From jwc at snf.stanford.edu Mon Oct 25 13:02:47 2010 From: jwc at snf.stanford.edu (jwc at snf.stanford.edu) Date: Mon, 25 Oct 2010 13:02:47 -0700 Subject: Problem sem4160 SNF 2010-10-23 20:57:18: Images are very blurred Message-ID: user training issue needs to proctiec FE Gum alignment new user