Field emission device including a resistive layer

Details Field emission device including a resistive layer Field emission device including a resistive layer

1997-08-05

1998-12-08

O'Shea, Sandra L.

Electric lamp and discharge devices

Electrode and shield structures

Point source cathodes

313309, 313456, H01J 130, H01J 1924

Patent

active

058474960

ABSTRACT:
A microelectronic field emission device includes a core layer (16) having at least one outward protuberance on a top surface of the core layer, and an emitter layer (15) formed on the core layer to cover at least a top portion of the outward protuberance, the material of the core layer having a larger electrical resistance than the material of the emitter layer, wherein the top portion of the outward protuberance culminates to a tip and a portion of the emitter layer (15) formed on the protuberance culminates to a tip. The microelectronic device may further include a substrate (19), a conductive layer (17), an anode electrode (53) including a phosphor layer, and a gate electrode (21) having an opening thereby exposing the tip of the emitter layer.

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