Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Patent
1983-09-30
1986-06-03
Kellogg, Arthur
Electric lamp and discharge devices
Cathode ray tube
Shadow mask, support or shield
313403, 313407, 313408, 313482, H01J 2906, H01J 2924
Patent
active
045932247
ABSTRACT:
A color cathode ray tube comprises a faceplate having a predetermined pattern of phosphor deposits upon a target surface thereof. A color selection electrode assembly includes a frame which supports in tension a foil having an array of apertures related to the predetermined pattern of phosphor deposits on the faceplate. Means are disclosed for sealing the assembly between the faceplate and the rear envelope section of the tube to incorporate the color selection electrode assembly as an integral part of the cathode ray tube. Indexing means on the assembly and faceplate provide for repeated interregistered matings of the color selection electrode assembly with the faceplate. A method of utilizing the electrode assembly for screening the pattern of phosphor deposits on the faceplate is also disclosed.
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"Improvements in the RCA Three-Beam Shadow-Mask Color Kinescope," Puc. IRE, 1954, R583.6X535.6 pp. 315-325.
Clarke, Jr. Ralph E.
Coult John H.
Kellogg Arthur
O'Connor Cornelius J.
Zenith Electronics Corporation
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