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Old 20th Jun 2021, 7:18 am   #2
mole42uk's Avatar
Join Date: Aug 2010
Location: Bristol, UK
Posts: 2,291
Default Re: Original Moulds found for Tek Scope Tubes

Fascinating! I’d never thought that CRT’s were moulded in ceramic but it makes sense. I’ve seen film of the making of valves which seem to use pre-formed glass tubes but I suppose precise display tubes needed different parameters. Perhaps ceramic is the only way to achieve perfection in ‘scope tubes?

There’s a YouTube of the process here:

recursive loop: see recursive loop

Last edited by mole42uk; 20th Jun 2021 at 7:23 am.
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