Applied Science and Convergence Technology 1993; 2(3): 331-334
Published online September 1, 1993
Copyright © The Korean Vacuum Society.
Various FEAs with lateral and vertical structures have been investigated. Lateral FEA has a coplanar configuration of the emitter and the gate is more suitable for high frequency device application. The structure and emission characteristics and applications of a comb-shaped lateral FEA are explained.