ALD ALR

[John Shott]

  J:

Swapping ammonia bottles on a per-run basis makes me somewhat nervous.  
Am I correct in thinking that, at the moment, the Savannah is not using 
all of its metallorganic "slots"?  Rather than breaking into the ammonia 
line, is there a reason that one of the other channels that has a 
currently-unused ALD valve, can't be used for the oxygen injection 
needle valve?  In that way, there would be no hardware changes required 
between runs, the ammonia line doesn't need to be disturbed at all, and 
selection of oxygen vs. ammonia is controlled by the recipe.

What am I missing?

Thanks,

John