Re: [neonixie-l] Re: Refilling tubes/different gasses

[Terry Kennedy]

On Monday, April 9, 2018 at 11:59:41 AM UTC-4, Jens Boos wrote:
>
> One question: How did you manage to attach a stem to the IN-18 base 
> without cracking it? It seems like a very risky operation to me, so kudos 
> that you pulled that off!
>

In his post on RadioKot, he said that half of the tubes cracked when 
heated, and also that there are problems with the seal of the pins to the 
glass.

Some years ago, someone was trying to sell some pieces of the IN-18 
assembly line and an incomplete set of parts for making new tubes. It would 
make an interesting project for Dmitry or Dalibor if that stuff still 
exists... 

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Re: [neonixie-l] Re: Refilling tubes/different gasses

[jb-electronics]

Nice video! I can only advise you to get in touch with Dalibor Farny!

One question: How did you manage to attach a stem to the IN-18 base 
without cracking it? It seems like a very risky operation to me, so 
kudos that you pulled that off!


Cheers
Jens

On 4/9/2018 1:04 AM, Dmitry Shevchenko wrote:

Hello.
I'm a Dmitry Shevchenko, former engineer of LLC Vacuumglow
This technology was made by me and the glass blower.
As soon as I restored the technology - I was fired by Vadim.
You can see my post on radio-cat forum:
http://radiokot.ru/forum/viewtopic.php?f=17&t=153862
Now I search for investition.


пятница, 9 марта 2018 г., 23:33:20 UTC+3 пользователь Paul Andrews 
написал:


Looks like vacuumglow is aiming to refill tubes:

https://www.facebook.com/vacuumglow/posts/704184109789357


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Re: [neonixie-l] Re: Refilling tubes/different gasses

[Dekatron42]

Using Google Translate on their Facebook text you can see that they had to 
raise the voltage to some 500V for Xenon and 400V for Argon, if I 
understand it correctly they also mention that they are looking for a 
developer. Maybe it is time to ask them what they plan and how they are 
doing this?

/Martin

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Re: [neonixie-l] Re: Refilling tubes/different gasses

['Spirit' via neonixie-l]

It's a lot less work than making IN-18s from scratch, that's for sure.

On Saturday, 10 March 2018 03:08:05 UTC+3, Jens Boos wrote:
>
> I am not sure if it is simple to do, especially if you are aiming to 
> refill the tube by attaching a stem close to the base. Heating up soda lime 
> glass is not a piece of cake, and it is very likely to crack if you are not 
> very careful. The proximity to the metal pins at the base makes this even 
> more complicated. Hats off to those who can do it! Jens
>

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Re: [neonixie-l] Re: Refilling tubes/different gasses

[jb-electronics]

I am not sure if it is simple to do, especially if you are aiming to 
refill the tube by attaching a stem close to the base. Heating up soda 
lime glass is not a piece of cake, and it is very likely to crack if you 
are not very careful. The proximity to the metal pins at the base makes 
this even more complicated. Hats off to those who can do it! Jens


On 3/9/2018 4:39 PM, 'Spirit' via neonixie-l wrote:
Looks like all they've done so far is pop an existing IN-18 and refill 
it with their own mixture. That's fairly simple to do, but it won't 
run for long since they spoiled the getter.

Different noble gases in tubes would be amazing though.
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