ELECTRIC FIELD ELECTRON EMITTING ELEMENT, PICTURE DISPLAY DEVICE, ELECTRON BEAM IRRADIATION DEVICE, FIELD EMISSION TRANSISTOR, AND CARBON MATERIAL FOR ELECTRIC FIELD ELECTRON EMITTING ELEMENT

摘要

PROBLEM TO BE SOLVED: To provide an electric field electron emitting element which is available at a low price, and superior in an electric field electron discharge characteristic.

SOLUTION: This is the electric field electron emitting element which has an emitter part and an anode part, and in which the emitter part contains a composite carbon material that is composed of carbon material in which a carbon fiber becomes a base material.

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