Field emission electron source having carbon nanotubes and...

Details Field emission electron source having carbon nanotubes and... Field emission electron source having carbon nanotubes and...

2011-08-16

2011-08-16

Patel, Nimeshkumar (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

C445S049000, C445S051000

Reexamination Certificate

active

07997950

ABSTRACT:
A field emission electron source having carbon nanotubes includes a CNT string and a conductive base. The CNT string has an end portion and a broken end portion, the end portion is contacted with and electrically connected to the surface of the conductive base. The CNTs at the broken end portion form a tooth-shape structure, wherein some CNTs protruding and higher than the adjacent CNTs. Each protruding CNT functions as an electron emitter. Further, a method for manufacturing a field emission electron source is provided. The field emission efficiency of the field emission electron source is high.

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