Lateral-emitter field-emission device with simplified anode...

Details Lateral-emitter field-emission device with simplified anode... Lateral-emitter field-emission device with simplified anode...

H - Electricity

01

J

H01J 21/20 (2006.01) H01J 3/02 (2006.01) H01J 9/00 (2006.01) H01J 17/49 (2006.01)

Patent

CA 2221378

A lateral field-emission device (10) has a lateral emitter (100) substantially parallel to a substrate (20) and has a simplified anode structure (70). The anode's top surface is precisely spaced apart from the plane of the lateral emitter and receives electrons emitted by field emission from the edge of the lateral emitter cathode, when a suitable bias voltage is applied. The device may be configured as a diode, or as a triode, tetrode, etc. having control electrodes (140) positioned to allow control of current from the emitter to the anode by an electrical signal applied to the control electrode.

L'invention concerne un dispositif d'émission de champ latéral (10) présentant un émetteur latéral (100) pratiquement parallèle au substrat (20) et possédant une structure d'anode simplifiée (70). La surface supérieure de l'anode est placée à une distance précise du plan de l'émetteur latéral et reçoit les électrons émis par émission de champ à partir du bord de la cathode de l'émetteur latéral, lorsqu'une tension de polarisation appropriée est appliquée. Ce dispositif se présente sous forme de diode ou de triode, tétrode, etc. présentant des électrodes de commande (140) positionnées de façon à permettre la commande du courant allant de l'émetteur à l'anode au moyen d'un signal électrique appliqué à l'électrode de commande.

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