Hi,
Yup, 2% Ar will work just fine. Striking voltage may be a little higher,
maintaining voltage should be about the same.
That's OK I guess, since I am not trying to optimize the mixture, I am
just trying to get started. I have a 500V power supply @ 50mA available,
that should work.
I'm guessing a CD tack welder and some bent wire cathodes (like Aleksander
uses) might be a quick place to start.
What is the difference between a tack and a spot welder? I was going to
look for a spot welder (although you can actually build them yourself).
For cathodes (and the anode mesh) I am planning to use 1.2mm stainless
steel wire.
But what should I use as a glas frit?
And what kind of burner for melting the glass is appropiate? Propane and
oxygen?
If you care to try photoetching cathodes, you're welcome to use this:
http://www.vitriol.com/images/tech/nixies/cathodes.gif
Thanks! But at the moment I will go for wire cathodes "National Union
style" ;-)
Best regards,
Jens
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