Electron beam apparatus and method of driving the same

Details Electron beam apparatus and method of driving the same Electron beam apparatus and method of driving the same

1996-01-29

1999-02-02

Pascal, Robert

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

3151693, 313309, 313310, 313495, G09G 310

Patent

active

058669884

ABSTRACT:
An electron beam apparatus comprises an electron-emitting device, an anode separated from the electron-emitting device by a distance H (m), means for applying a voltage Vf (V) to the device, and means for applying a voltage Va (V) to the anode. The device has an electron-emitting region arranged between a lower potential side electroconductive thin film which is connected to a lower potential side electrode and a higher potential side electroconductive thin film which is connected to a higher potential side electrode. The device also has a film containing a semiconductor substance with a thickness not greater than 10 nm. The semiconductor-containing film extends on the higher potential side electroconductive thin film from the electron-emitting region toward the higher potential side electrode over a length L (m). The above Vf, Va, H and L satisfy the relationship L.gtoreq.(1/.pi.).multidot.(Vf/Va).multidot.H.

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