Problem sts SNF 2009-03-05 15:14:29: high reflected power

ehe at snf.stanford.edu ehe at snf.stanford.edu
Thu Mar 5 15:14:29 PST 2009


Twice today, and four times in the last 3 weeks, reflected power is higher than forward power and cuts deposition rate in half. The occurance is unpredictable. I can do a normal run with 0 reflected power and normal deposition rate, but right after that, get a bad run, followed by a normal run. People need to watch the reflected power in the log to document problem better.




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