I don't think it would be counter-productive, see e.g. the XN-1. Neon
and argon are noble gases and hence they almost don't interact with
getter material, as far as I know.
Jens
On 3/15/2016 1:23 PM, Nick wrote:
Why would they have a getter? An Hg pill that needs to be vaporized,
sure. But a getter? They are used to remove any stray gas molecules
given off by the glass or internal structures due to heat & time.
Nixies are gassed tubes by definition - a getter would be
counter-productive - even during baking and initial evacuation prior
to backfilling, you wouldn't use a getter.
Nick
On Monday, 14 March 2016 01:15:28 UTC, jrehwin wrote:
Nixies are not vacuum tubes - they shouldn't have a getter.
Actually, some nixies do have a getter, but it's a different kind
of getter than vacuum tubes use, naturally. Most of the ones with
getters use "pill" getters, often on the back of the anode, and
there's normally no "getter flash" on the glass.
http://www.tubeclockdb.com/images/stories/2012/in-18-bd/in-18-nixie-clock-6.jpg
<http://www.tubeclockdb.com/images/stories/2012/in-18-bd/in-18-nixie-clock-6.jpg>
- John
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