> On Nov 29, 2024, at 6:23 PM, Miles Thatch <[email protected]> wrote: > > In the neon sign video, they mentioned that bombardment is meant for dislodge > any impurities stuck to the glass. Is that the only reason for it?
Two things happen. First, the glass gets very hot and the impurities leach out. Second, the cathodes get hot enough to reduce the oxides in the emission coating to elements. Full vacuum is applied to remove the leftover oxygen etc. 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, visit https://groups.google.com/d/msgid/neonixie-l/D2BA72B3-A0DC-4553-A3DA-7269D932E3A9%40gmail.com.
