Comment stsetch SNF 2006-11-16 18:48:19: tests ok

[ericp at snf.stanford.edu]

I loaded a dummy, and it etches fine.  
I can only guess that the prev. problem was due 
to a backside He high leakrate. 
The only thing I notice is that the wafer is loading 
a little off-center, which could contribute to a He flow 
problem.