On Wed, 22 Mar 2006, Jinx wrote:

>>> Is there any reason you couldn't use acrylic or polycarbonate
>>> for nixie-tube type things ? As long as they didn't get too hot....
>>> A pluggable LED nixie tube ?
>>
>> Heat wouldn't be an issue with proper spacing
>
> I haven't played with Nixie tubes for a long time - just wondered
> about the heat generated by the filaments (Mike Harrison would
> know - he's got a Nixie tube page)

There are no filaments in a Nixie ? I think that you mean VFD. VFD is 
much harder than Nixie, it requires 'electronic' vacuum. The Nixies use 
something between 1 and 10 Torr. You can make Nixie-alikes with air or 
welding gas (= blue-white discharge).

Peter
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