Apparatus and method of operation for an electron beam source

Details Apparatus and method of operation for an electron beam source Apparatus and method of operation for an electron beam source

1985-01-09

1987-03-17

Chatmon, Saxfield

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Plural cathodes or heaters in the load device

313422, 315366, 315106, 315107, 328270, H05B 3900, H05B 4114

Patent

active

046510583

ABSTRACT:
Apparatus and method for substantially equalizing the potential drop along a line cathode used in an electron beam source adapted for use in a flat display device. The apparatus and method ensure that electrons from a power source are fed through both ends of the line cathode, substantially simultaneously. Thereby, the potential drop along the axial length of the line cathode is decreased, improving the uniformity of brightness of the display.

REFERENCES:
patent: 4167690 (1979-09-01), Gange
patent: 4227117 (1980-10-01), Watanabe et al.
patent: 4451758 (1984-05-01), Watanabe et al.

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