A field emission cathode is provided which includes a substrate and a conductive layer desposed adjacent the substrate. An electrically resistive pillar is disposed adjacent the conductive layer, the resistive pillar having a substantially flat surface spaced from and substantially parallel to the substrate. A layer of diamond is disposed adjacent the surface of the resistive pillar.

On fournit une cathode d'émission de champ qui inclut un substrat et une couche conductrice desposed adjacent le substrat. Un pilier électriquement résistif est adjacent disposé la couche conductrice, le pilier résistif ayant une surface essentiellement plate éloignée et essentiellement parallèle derrière le substrat. Une couche de diamant est adjacente disposé la surface du pilier résistif.

 
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