[neonixie-l] What type of tubing / valves are used in vacuum and de-gassing, gas population experiments?

I'm looking to experiment with making a cold cathode character display. I have plenty of experience experimenting with manufactured IN-12 tubes and the power supplies that drive these, but I want to step further to experiment in making my own. What grade of materials / tubing / valves should

[neonixie-l] Re: What type of tubing / valves are used in vacuum and de-gassing, gas population experiments?

ng with gas discharges, but I have no intention of > taking it to the point of making something durable. > > On Monday, August 28, 2023 at 10:23:32 AM UTC-7 Miles Thatch wrote: > >> I'm looking to experiment with making a cold cathode character display. I >> have ple

[neonixie-l] Re: What type of tubing / valves are used in vacuum and de-gassing, gas population experiments?

detect the expansion force / difference between external and internal pressures? On Monday, August 28, 2023 at 2:16:13 PM UTC-4 Miles Thatch wrote: > Thanks for the read references. I know this group has a shared drive with > some reading material. Maybe I can find some of these there. &

[neonixie-l] Vacuum pumps for evacuating DIY nixies?

Good day. Since we require to reach vacuums of 10 - 50 torr depending on the gas mixture. What sort of vacuum pumps are we looking at sourcing to achieve those levels? -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this gro

[neonixie-l] Re: Vacuum pumps for evacuating DIY nixies?

want to re-evacuate the tube a > second time, and refill, to get even more impurities removed. > On Thursday, September 14, 2023 at 10:28:06 AM UTC-7 Miles Thatch wrote: > >> From he Drive books archive >> Nixe Tube Data > NixieGas.pdf >> >> I was using t

Re: [neonixie-l] Re: Vacuum pumps for evacuating DIY nixies?

acuum. Even at a high vacuum of 1 micron, there are still an >>> extraordinary number of gas molecules present, on the order of 10^16 per >>> liter. For home-made tubes I would actually want to re-evacuate the tube a >>> second time, and refill, to get even more impur

[neonixie-l] Re: Vacuum pumps for evacuating DIY nixies?

gt; pump, which will get you below 1 micron and will be rather costly. The > mechanical pump must first be used to pump down as much as possible, before > the diffusion pump is used. > > On Thursday, September 14, 2023 at 9:24:05 PM UTC-7 Miles Thatch wrote: > >> Ok, that makes

Re: [neonixie-l] Re: Welcome & please introduce yourself!

Good day, everyone. I'm just getting into the subject of Nixie tube making. I have gotten to work with some new old stock nixies and some de-soldered miniature digit tubes and now I'm curious about the process of manufacturing my own. I found the Dalibor Farni channel

[neonixie-l] Green Nixie tube?

Good day, everyone. I'm wondering, do green Nixie digital display tubes exist? From what I understand, the color of the discharge depends on the vacuum and type of gas but I've not seen any images showcasing one with a green color. Is there such a thing? -- You received this message because y

[neonixie-l] Re: Green Nixie tube?

Ahh I see. I suppose nothing that would be physically similar looking to a standard nixie display with layers of cutout digits as cathodes On Friday, December 23, 2022 at 11:14:17 PM UTC-5 jaspern...@gmail.com wrote: > the closet to a green nixie tube is a thyratron display tube > https://www

Re: [neonixie-l] Re: Welcome & please introduce yourself!

Thank you very much for the link. I came across the giant nixie project of his, didn't realize this was the same channel you were referring to. Very informative. On Monday, December 26, 2022 at 8:35:04 AM UTC-5 Paul Andrews wrote: > Google ‘glasslinger nixie tube’ > > On Friday, December 23, 2

[neonixie-l] Why tungsten wire and why weld copper to tungsten? Also book recommendation?

1) I was watching some nixie production videos and a question came up. Is tungsten wire used because this metal offers the most appropriate seal with glass? One of the videos where a nixie was made in a garage showed that tungstan turns a coppery color when, as commented, properly seals with the

[neonixie-l] Re: Why tungsten wire and why weld copper to tungsten? Also book recommendation?

For question 3), seems like I have not skimmed far enough. The Weston book goes into the detail of the physical build of a cold cathode discharge tube. On Monday, December 26, 2022 at 3:26:36 PM UTC-5 Miles Thatch wrote: > 1) I was watching some nixie production videos and a question came up.

Re: [neonixie-l] Re: Why tungsten wire and why weld copper to tungsten? Also book recommendation?

ium.com/phone/tungsten.html> > > > > Sent from my iPhone > > On Dec 26, 2022, at 18:17, Miles Thatch wrote: > > For question 3), seems like I have not skimmed far enough. The Weston > book goes into the detail of the physical build of a cold cathode discharge &g

[neonixie-l] Any factories in the world still actively mass producing nixie tubes?

I know of Dalibor Farny on youtube who makes novelty tubes for various art installations and novelty hardware for clients and art projects. I'm talking more like a factory producing on a larger scale some of the standard tubes formats we have come to know ? -- You received this message becau