Electron-emitting device, electron source, and method for...

Details Electron-emitting device, electron source, and method for... Electron-emitting device, electron source, and method for...

2007-12-25

2007-12-25

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp and discharge devices

Discharge devices having a thermionic or emissive cathode

C313S311000, C313S495000

Reexamination Certificate

active

11106584

ABSTRACT:
An electron-emitting device is equipped with a pair of first electroconductive members arranged on a substrate with an interval between them, wherein the interval becomes narrower at an upper position distant from a surface of the substrate than at a position on the surface, and a peak of one of the pair of the first electroconductive members is higher than a peak of the other of the pair of the first electroconductive members, and further an electron scattering surface forming film including an element having an atomic number larger than those of elements constituting the first electroconductive members as a principal component is provided on a surface of the one of the first electroconductive members.

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