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User name pzhu
Log entry time 16:43:12 on April 7,2012
Entry number 371240
keyword=center beam position changedafter anneal then ask mcc send the beam back, the center beam position is changed, 0.5mm lower than before. the only different is the current is a little bit different as before but just several nA different. another reason is maybe the target position is not in the same position as before, even if the reading is same.
FIGURE 1
