A cathode ray tube has an envelope including a faceplate with a sidewall portion and a neck receiving an electron gun emitting at least one electron beam. The faceplate is coated with a phosphor layer for emitting a visible light by bombardment of the electron beam on its inner surface and is covered...http://www.google.ca/patents/US4937493?utm_source=gb-gplus-sharePatent US4937493 - Cathode ray tube with an electrical connecting element
