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US 9,666,401 B2Granted
Field-emission device with improved beams-convergence
AssigneeElectronics and Telecommunications Research Institute
InventorsSo Ra Park, Yoon Ho Song, Jin Woo Jeong, Jae Woo Kim, Min Sik Shin
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Abstract
The present disclosure may provide a field emission device with an enhanced beam convergence. For this, the device may include a gate structure disposed between a cathode electrode and an anode electrode, wherein the gate structure includes a gate electrode and an atomic layer sheet disposed on the gate electrode, the gate electrode facing an emitter and having at least one aperture formed therein.
Claims10
A field emission device comprising:
- a cathode electrode;
- at least one emitter disposed on the cathode electrode;
- an anode electrode spaced apart from the cathode electrode in a longitudinal direction;
- and
- a gate structure disposed between the cathode electrode and the anode electrode, the gate structure including a gate electrode comprising at least one aperture and an atomic layer sheet including graphene and covering the at least one aperture of the gate electrode.
2 more elements
Dependencies are inferred from the claim text.