Electron gun having two-dimensional arrays of improved field emi

Details Electron gun having two-dimensional arrays of improved field emi Electron gun having two-dimensional arrays of improved field emi

1996-05-20

1997-10-28

Horabik, Michael

Electric lamp and discharge devices

Electrode and shield structures

Point source cathodes

313309, H01J 1924

Patent

active

056820780

ABSTRACT:
A field emission cold cathode structure has an insulation layer having two-dimensional arrays of cavities, with a gate electrode on the insulation layer and two-dimensional arrays of opening portions having a generally circular shape positioned over the cavities. Field emission cold cathodes within the cavities each has a cone-like shape with a pointed top. The tops of the field emission cold cathodes are off-center within the opening portions in horizontal directions toward a reference point positioned on the gate electrode, and the distances of the tops from centers of the opening portions are varied to increase in accordance with increase in distance of the field emission cold cathodes from the reference point. This causes deflections of electron beams emitted from the tops of the field emission cold cathodes toward a concentration point which is positioned on a line extending from the reference point in a vertical direction to a surface of the gate electrode.

REFERENCES:
patent: 4145635 (1979-03-01), Tuck
patent: 4874981 (1989-10-01), Spindt
patent: 5235244 (1993-08-01), Spindt
patent: 5430347 (1995-07-01), Kane et al.
patent: 5528103 (1996-06-01), Spindt et al.
patent: 5543686 (1996-08-01), Huang et al.
patent: 5552659 (1996-09-01), Macaulay

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