Problem ellipsomter SNF 2008-05-02 13:07:08: light not going into the pin hole

crichter at snf.stanford.edu crichter at snf.stanford.edu
Fri May 2 13:07:08 PDT 2008


I got some odd readings using the control wafer and found out why. The red light reflecting of the wafer surface is not going into the pinhole.




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