General > General Technical Chat

How a color picture tube (CRT) is manufactured.

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BrianHG:
It's amazing that even this far back in the past, how mass automated and precise most of the manufacturing process which has already been achieved to make such a refined product.  Just the shadow mask itself with it's required not only microscopic precision, but also the unique cavity shape on both sided of the metal which is required to prevent angular bleed from the electron gun is a marvel of ingenuity.

Yes, they even show how the color phosphor is applied to the tube. (SKIP TO 4:00 where it truly begins)

pcprogrammer:
Very interesting. Also the division between what woman and man did in the process. The small fiddly stuff done by woman and the coarse by man :)

unknownparticle:
Saw this yesterday, probably the best video of the construction and working description of a colour CRT I've ever seen.  To think this was everyday technology and manufacturing for over 60 years, although it was incredibly technical and complex, and yet it has now virtually disappeared. All that combined knowledge and skill, gone forever.

LaserSteve:
The plant engineering is superb. Pay for the line workers must have been decent too.  A sense of humor there too, with the convergence scene.

Ultor Volts!

Steve

PartialDischarge:
Philips had wonderful labs in Eindhoven dedicated amongst others to digital signal processing for audio and video.  One of my fav books on discrete time signal processing is from them:

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