Field emission source with plural emitters in an opening

Details Field emission source with plural emitters in an opening Field emission source with plural emitters in an opening

2006-09-26

2006-09-26

Ho, Allen C. (Department: 2882)

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

C313S309000, C313S310000, C313S495000, C313S496000

Reexamination Certificate

active

07112920

ABSTRACT:
A field emission electron source capable of achieving large current density is provided at low cost with good productivity. An insulating layer is formed on a substrate and has one or more openings; and an extraction electrode is formed on the insulating layer. In one or more of the openings, a plurality of emitters, each of which emits an electron by an electric field from the extraction electrode, are formed on the substrate.

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