From huangzb at snf.stanford.edu  Thu Nov  3 22:53:59 2005
From: huangzb at snf.stanford.edu (huangzb at snf.stanford.edu)
Date: Thu, 3 Nov 2005 22:53:59 -0800
Subject: Problem sem4160 SNF 2005-11-03 22:53:59: display error
Message-ID: <mailman.42.1356283027.4532.sem4160-pcs@snf.stanford.edu>

Display showed vertical color stripes. Could not do image capture. Restarted the computer, Display functioned normally. But did not know the password. Could not log in. 



From jwc at snf.stanford.edu  Fri Nov  4 17:13:11 2005
From: jwc at snf.stanford.edu (jwc at snf.stanford.edu)
Date: Fri, 4 Nov 2005 17:13:11 -0800
Subject: Problem sem4160 SNF 2005-11-03 22:53:59: display error
Message-ID: <mailman.43.1356283027.4532.sem4160-pcs@snf.stanford.edu>




From chang21 at snf.stanford.edu  Sun Nov 20 16:33:11 2005
From: chang21 at snf.stanford.edu (chang21 at snf.stanford.edu)
Date: Sun, 20 Nov 2005 16:33:11 -0800
Subject: Problem sem4160 SNF 2005-11-20 16:33:11: Contrast problem
Message-ID: <mailman.44.1356283027.4532.sem4160-pcs@snf.stanford.edu>

Contrast is not adjusted



From huangzb at snf.stanford.edu  Sun Nov 20 17:53:42 2005
From: huangzb at snf.stanford.edu (huangzb at snf.stanford.edu)
Date: Sun, 20 Nov 2005 17:53:42 -0800
Subject: Problem sem4160 SNF 2005-11-20 17:53:42: nothing on the screen
Message-ID: <mailman.45.1356283027.4532.sem4160-pcs@snf.stanford.edu>

Can see nothing through SEM, do not know why



From jerabek at snf.stanford.edu  Mon Nov 21 10:29:01 2005
From: jerabek at snf.stanford.edu (jerabek at snf.stanford.edu)
Date: Mon, 21 Nov 2005 10:29:01 -0800
Subject: Shutdown sem4160 SNF 2005-11-21 10:29:00: shutdown
Message-ID: <mailman.46.1356283027.4532.sem4160-pcs@snf.stanford.edu>

Contrast function is not working at all resulting in no image.
-Paul



From jwc at snf.stanford.edu  Mon Nov 21 11:22:01 2005
From: jwc at snf.stanford.edu (jwc at snf.stanford.edu)
Date: Mon, 21 Nov 2005 11:22:01 -0800
Subject: Problem sem4160 SNF 2005-11-20 16:33:11: Contrast problem
Message-ID: <mailman.47.1356283027.4532.sem4160-pcs@snf.stanford.edu>

No. 3 aperture was at the limit of travel and not well aligned
cleared
jwc



From jwc at snf.stanford.edu  Mon Nov 21 11:22:23 2005
From: jwc at snf.stanford.edu (jwc at snf.stanford.edu)
Date: Mon, 21 Nov 2005 11:22:23 -0800
Subject: Problem sem4160 SNF 2005-11-20 17:53:42: nothing on the screen
Message-ID: <mailman.48.1356283027.4532.sem4160-pcs@snf.stanford.edu>

Did not know to align the aperture



From jwc at snf.stanford.edu  Mon Nov 21 11:23:42 2005
From: jwc at snf.stanford.edu (jwc at snf.stanford.edu)
Date: Mon, 21 Nov 2005 11:23:42 -0800
Subject: Shutdown sem4160 SNF 2005-11-21 10:29:00: shutdown
Message-ID: <mailman.49.1356283027.4532.sem4160-pcs@snf.stanford.edu>

Adjusted to center and aligned aperture No. 3
for 5 kV 10 mm WD and optimized the column alignment for brightness and resolution.  PROBLEM resolved.
JWC