Switched back to whole Au Source without W liner

Jeannie Perez jperez at snf.stanford.edu
Thu Jul 29 15:37:13 PDT 2004


Hi Users,
We have contaminated two Ti sources this week after using the Au with 
the Tungsten liner.
Not sure at this time why the Au was spraying lateral under the hearth 
and contaminating  sources in the right and left pockets. Power should 
be at 9% to 13% range using the old source without a liner.


1) Power may have been too high (7%) would like to keep it  below 5%
2) The level of Au may play a factor in this. (too low)

Any information that you may have would be greatly appreciated.
Jeannie





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