Re: Helium [was: t-bird screwing up]
On 2022-11-02, David Wright <deblis@lionunicorn.co.uk> wrote:
>
> To be fair, most vacuum tubes aren't bathed in helium, but air, and
> then only at a one atmosphere differential pressure. A gas cylinder
> might be as high as 500 atmospheres.
I always thought vacuum tubes weren't filled with anything but a "high
vacuum" and electrodes.
Gas-filled tubes, on the other hand, are filled with a gas.
Seems fair to me.
> And vacuum tubes do contain a getter to deal with outgassing, which
> will help mitigate slight leaks.
>
> Cheers,
> David.
>
>
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