Electron gun integral beam correctors and method

Details Electron gun integral beam correctors and method Electron gun integral beam correctors and method

1988-11-14

1990-02-06

Rowan, Kurt

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 49, 313414, H01J 2902, H01J 914

Patent

active

048985562

ABSTRACT:
In-line electron gun structure for color cathode ray tubes in which the final focusing and accelerating electrodes each employ three in-line tapered, partially overlapping apertures in facing relationship, and at least one pair of integral electron beam correctors associated with the central aperture of the focusing electrode. Such structure is produced by deep drawing a workpiece having an hour-glass shaped hole for each corrector pair desired.

REFERENCES:
patent: 3949262 (1976-04-01), Ohkoshi
patent: 4251747 (1981-02-01), Burdick
patent: 4275332 (1981-06-01), Ashizaki
patent: 4412149 (1983-10-01), Say
patent: 4427397 (1984-01-01), Endo
patent: 4481003 (1984-11-01), Yabe

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