Shutdown sem4160 SNF 2010-01-12 16:03:39: problem with movable aperture strip lower

jwc at snf.stanford.edu jwc at snf.stanford.edu
Tue Jan 12 16:03:39 PST 2010


Could not find the no 3 or 4 holes.  IN THE APERTURE STRIP!
i checked positions and aperture strip may hve fallen out of the alignment in its mount. Found X aperture strip adjustment screw loose and funky in X translation.
APERTURE HOLE No 2 renders an image but cannot adjust XY on the aperture strip to effect correct aperture alignment.
resolution is unsuitable for any usage.
shutdown at 16:00:30
JWC




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