%0 Journal Article %T 28.1: A New Electron Gun with Active Convergence Lens System %A Kikuchi, N. %A Sumi, N. %A Natori, M. %A Amano, Y. %J Sid Symposium Digest of Technical Papers %V 29 %N 1 %@ 0097-966X %D 1998-05-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve