Comment stsetch SNF 2010-10-05 20:10:29: need new aluminum holders

jwpchen at jwpchen at
Tue Oct 5 20:10:29 PDT 2010

with the current holder, helium flow varies up to 0.3 (== 3sccm) between orientations. this is repeatable, for example flat at 12 o'clock tends to has less flow.
mary said it's not hard to fabricate holders, so it makes sense to make a batch of new holders and swap one in regularly.

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