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    User name A. Tobias

    Log entry time 07:49:56 on February12,2009

    Entry number 260621

    keyword=Increase beam current to 15uA: Prescales Set for LHRS & BB

    07:37 Starting with LHRS (unbuffered) run 20146 and BigBite (buffered) run 1314, these are the prescales for 15uA production with 4x5.2MCC raster, BPMA X=-1.3 Y=+2.3mm BPMB X=-0.8 Y=+2.5mm:

    15uA 1 2 3 4 5 6 7 8
    rate T 34k 1.1k 520 31 12 3.5k 5M 1k
    BB PS 1700 1 max max max 175 max 100
    LHRS PS max max 1 1 max max max 100