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Cathode ray tube 2 world's smallest?

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Published on Sep 26, 2006

More info is now available. http://www.sparkbangbuzz.com/crt/crt6...

World's smallest cathode ray tube? No, see http://www.youtube.com/watch?v=f17RZj...
This homemade Cathode Ray Tube uses a cold cathode and is displaying a Lissajous pattern. Vacuum is somewhere between 100 - 200 microns, easily attainable with amateur equipment. Deflection is with magnetism.

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