Cathode ray tube with an electrical connecting element

Details Cathode ray tube with an electrical connecting element Cathode ray tube with an electrical connecting element

1988-12-27

1990-06-26

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Envelope

358247, 252511, H01J 2987, H01J 2988, H01B 102

Patent

active

049374931

ABSTRACT:
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 with an antistatic film. To prevent accumulation of electrostatic charges, the antistatic film is electrically connected to a metal tension band wound around the sidewall portion by a connecting element. The connecting element is conductive oxide layer which essentially consists of a conductive substance and a binder consisting at least amorphous silicon oxide or silicon hydroxide.

REFERENCES:
patent: 3711428 (1973-01-01), Aycock et al.
patent: 3996491 (1976-12-01), Larson et al.
patent: 4031553 (1977-06-01), Sumiyoshi et al.
patent: 4563612 (1986-01-01), Deal et al.

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