Method of manufacturing color cathode ray tube screen

Details Method of manufacturing color cathode ray tube screen Method of manufacturing color cathode ray tube screen

1995-05-31

1996-08-20

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

427 68, H01J 9227

Patent

active

055474110

ABSTRACT:
A color cathode ray tube having an improved screen and manufacturing method thereof including a black matrix and a phosphor layer formed on the inner surface of a panel and a metal back covering the tops of the black matrix and the phosphor layer. The metal back is in direct contact with the black matrix and is spaced from the phosphor layer. In the manufacturing method, a film overlapping the black matrix layer is partially removed so as to leave the film above the phosphor layer. This allows the metal back to be applied directly to the black matrix layer and thereby prevents the desquamation of the metal back.

REFERENCES:
patent: 5326588 (1994-07-01), Ji
patent: 5372903 (1994-12-01), Tateyama et al.

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