>From what I've researched, getters target oxygen, but I'm certain there are other rogue agents lurking out there to ruin your neon work.
On Thursday, September 14, 2023 at 2:47:03 PM UTC-7 Nicholas Stock wrote: > That is also the purpose of using a getter too right? Remove the majority > of the gaseous impurities before back filling with neon/penning gas mixture? > > > On Thu, Sep 14, 2023 at 2:41 PM gregebert <greg...@hotmail.com> wrote: > >> OK, that's once the tube is pressurized with the desired gas. However, to >> cleanse the tube of impurities, it must be baked-out and evacuated to a >> rather high vacuum. 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 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 the following excerpt from this book. Is it wrong or am I >>> getting something mixed up? >>> >>> On Thursday, September 14, 2023 at 11:43:46 AM UTC-4 gregebert wrote: >>> >>>> I think you mean 10-50 microns (which is 1000 timer lower), not 10-50 >>>> Torr. One atmosphere of pressure is 760 Torr (760mm Hg). >>>> I've seen neon-sign texts stating the need to get below 1 micron for >>>> proper bombarding, and I imagine nixie tubes are similar. >>>> >>>> On Thursday, September 14, 2023 at 6:57:51 AM UTC-7 Nick wrote: >>>> >>>>> Look at Dalibor's videos. >>>>> >>>>> On Thursday, 14 September 2023 at 12:08:57 UTC+1 milesan...@gmail.com >>>>> wrote: >>>>> >>>>>> 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 group and stop receiving emails from it, send an >> email to neonixie-l+...@googlegroups.com. >> > To view this discussion on the web, visit >> https://groups.google.com/d/msgid/neonixie-l/ea949a55-26f7-41f0-9118-7f190f9d9fafn%40googlegroups.com >> >> <https://groups.google.com/d/msgid/neonixie-l/ea949a55-26f7-41f0-9118-7f190f9d9fafn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/f1c43d05-0f9d-44fe-8148-ff6a0b07a3a2n%40googlegroups.com.
