4 ms·

I was wondering about the feasibilty of this, but I thought that useful tubes needed a harder vacuum than that. Is this really "good enough" for a triode? I f

I was wondering about the feasibilty of this, but I thought that useful tubes needed a harder vacuum than that. Is this really "good enough" for a triode? I figured the wire-holding/element-holding aspect of a standard tube was in the base, and the glass-to-base seal is the important part. You can have a less-hot metal holding the filament and penetrating through the base. But I haven't looked carefully. These are my off-the-top-of-my-head thoughts about it.

rigonkulous 4mo ago
> Is this really "good enough" for a triode? Let us not overlook that its also a lot of energy. Its not a matter of "good enough", I think in this case - more "can I?" ..
Animats 4mo ago
> "good enough" Probably not. The classic fix is a "getter".[1] [1] https://en.wikipedia.org/wiki/Getter https://en.wikipedia.org/wiki/Getter