Isnt that usually only the case with vacuum tubes? I think you're thinking of thoriated heaters
On Sun, May 21, 2023, 7:03 PM Mac Doktor <[email protected]> wrote: > > On May 21, 2023, at 5:02 PM, Audrey <[email protected]> wrote: > > I mean... a broken nipple only sounds repairable by someone getting into > neon making > > > If the cathodes have any chemicals on them to enhance electron emission > that will oxidize upon contact with the air. Reprocessing them will require > reducing the coatings again. > > I went to neon school but I'm not up to this challenge. People who make > nixie tubes would know the score. > > > Terry Bowman, KA4HJH > "The Mac Doctor" > > https://www.astarcloseup.com > > "Every kid starts out as a natural-born scientist, and then we beat it out > of them. A few trickle through the system with their wonder and enthusiasm > for science intact."—Carl Sagan, *Psychology Today*, 1996 > > -- > 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 [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/22448BA6-D738-4508-94C5-971347F8AD4A%40gmail.com > <https://groups.google.com/d/msgid/neonixie-l/22448BA6-D738-4508-94C5-971347F8AD4A%40gmail.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 [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAPDJQ6BTLo9vkS%3Dfu5USd3VctXProX%3DhiAVXVfEDXkT0vCC%2BwQ%40mail.gmail.com.
