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User name pzhu
Log entry time 21:41:12 on April11,2012
Entry number 372838
keyword=center beam position
this is the center beam position, we use 0.8V raster size.
the ave position is:
(-0.0315446 -0.63259) (-1.04825 -2.39999)
the raster size is changed, about 2cm in 1.1V, 1.7cm in 0.9V . I will calculate it later.
FIGURE 1