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Re: [TCML] parker globe for sale
Most plasma spheres operate in the range of 5,500 to 7000 microns. Air
being 7600 microns (no vacuum at all).
I use xenon, argon, helium, krpton in my mixtures.
The container cleaning is the problem issue. You have to bake it at high
temp for 24 hrs before filling. Also, use a 60 kV discharge in Argon gas to
microscopically "clean" all the residuals off the interior walls. Failing
to take this step can result in a fuzzy ball after a few months as the
plasma dislodges molecules adhering to the glass internal walls.
On Fri, Aug 21, 2009 at 7:32 PM, Ed Phillips <evp@xxxxxxxxxxx> wrote:
> OK. That means to total pressure is near atmospheric? Sounds as if a
> conventional mechanical fore pump would be plenty good enough. How clean do
> the containers need to be?
> There is your answer, I've got a bunch of formulas and more on the way,
> they should be published on my website by the end of the month (and yes I
> have mikes permission to do this, in fact he is excited about sharing his
> work!) Have fun.
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