High breakdown field emission device with tapered cylindrical sp

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube

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313310, 313311, 313351, H01J 162

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active

057774323

ABSTRACT:
A field emission device (100) includes a supporting substrate (110) having a major surface; a cathode (111) disposed on the major surface of the supporting substrate (110); a dielectric layer (112) disposed on the cathode (111); a gate extraction electrode (114) disposed on the dielectric layer (112); the cathode (111), the dielectric layer (112), and the gate extraction electrode (114) defining a spacer well (132); an anode plate (104) opposing the gate extraction electrode (114); a spacer (106) extending between the cathode (111) at the spacer well (132) and the anode plate (104); a first spacer shield (108) disposed within the spacer well (132) and surrounding the spacer (106); and a second spacer shield (108) affixed to the anode plate (104) and surrounding the spacer (106).

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"Workshop on Transient Induced Insulator Flashover in Vacuum" Sponsored by Microwave and Pused Power Thrust Area, Lawrence Livermore National Laboratory, Aug. 24-25, 1988.
"Prebreakdown Conduction Measurements in Vacuum Gaps with Alumina Insulators" by R. Lee, T.S. Sudarshan, J.E. Thompson, and G.R. Nagabhushana, IEEE, pp. 103-107, 1982.

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