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Home › ELECTRON GUN FOR CATHODE-RAY TUBE FOR IMAGE DISPLAY HAVING AN ELECTRODE WITH REDUCED ELECTRON BEAM PASSAGE HOLE AND A CATHODE WITH AN ELECTRON EMISSIVE LAYER MAINLY MADE OF AN OXIDE OF AN ALKALINE EARTH METAL AND CONTAINING AN OXIDE OF A RARE EARTH METAL

ELECTRON GUN FOR CATHODE-RAY TUBE FOR IMAGE DISPLAY HAVING AN ELECTRODE WITH REDUCED ELECTRON BEAM PASSAGE HOLE AND A CATHODE WITH AN ELECTRON EMISSIVE LAYER MAINLY MADE OF AN OXIDE OF AN ALKALINE EARTH METAL AND CONTAINING AN OXIDE OF A RARE EARTH METAL

US Patent 6366011 · Granted Apr 2, 2002

Estimated economic value: $299,000 ⓘ

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