Structures, electron-emitting devices, image-forming...

Details Structures, electron-emitting devices, image-forming... Structures, electron-emitting devices, image-forming...

2005-09-13

2005-09-13

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

Discharging devices with apertured electrode interposed...

Plural interposed apertured electrodes

C313S310000, C313S309000, C313S351000, C313S336000, C313S34600R

Reexamination Certificate

active

06943488

ABSTRACT:
Provided are electron-emitting devices improved in durability during concentration of an electric field and thus rarely suffering chain discharge breakdown. An electron-emitting device has an electroconductive film, a layer placed on the electroconductive film and containing aluminum oxide as a main component, a pore placed in the layer containing aluminum oxide as a main component, and an electron emitter placed in the pore and containing a material of the electroconductive film, and the electron emitter is porous and is electrically connected to the electroconductive film.

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