Subject: Problem raith SNF 2004-11-16 19:23:45: 20 um aperture blanking leakage has increased
From: jwc@snf.stanford.edu
Date: Tue, 16 Nov 2004 19:23:45 -0800

Greetings:
While on the 20 um aperture I observed that the RAITH blanker leakage has increased
from 0.0005 nA to a average value of 0.0017 nA and is now out of RAITH specifications.
Emission and SE features observed on stage moves when RAITH is blanked.  LEO blanker
is fine and no problems.
JWC 11612004:1926 hours