[neonixie-l] Re: Want to avoid radioactive 5092 Nixies

2010-09-19 Thread ian_6500
> It's not a thermal process, it's an ionization cascade (or avalanche).  What > happens is the gas is an insulator, and refuses to carry charge between the > electrodes.  Until one atom gets ionized (by a high electric field, cosmic > ray, local radiation, photon, or whatever). So, perhaps a s

[neonixie-l] Want to avoid radioactive 5092 Nixies

2010-09-13 Thread ian_6500
Hi Everyone, I'm in the market for 5092-style tubes, but ones without radioactive material in them. I read through many of the threads here and I know some are of the opinion that there's no danger with the thorium or the krypton, but I just assume avoid that material all the same. (Messing around