Quote:
Originally Posted by DavidGoncalv
I wonder if you can take a bad tube and fit in a tiny DLP projector fed with UV light?
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I've often wondered if some future method of reclaiming defective CRTs would become the norm after all of the easily obtained and dwindling reserves of good ones get sold off . David here has mentioned one possible method of getting a picture back on a screen and gave rise to my thoughts of wondering if it would ever be practical to externally heat a cathode with something like the type of system that flashed the getter and thus circumvent a bad heater . Yea , lots of em get gassy or just outright loose their cathode emission without burning out their heaters , but a fair amount of otherwise good tubes have been declared dead over the years due to bad heaters . Tubes that could see new life if their cathodes could be heated . Crazy idea , i know , but sometimes solutions can come from idle thinking . I would be most concerned with seeing sky high CRT prices as making the CRT akin to ivory / two pounds of tusk being worth more than 2K pounds of elephant . I guess price increases are bound to happen , rarity + demand = $$$ , so I guess it really would be best to sit on any that one may posses if they're appreciating faster than gold .