公开(公告)号：US3633062A

公开(公告)日：1972-01-04

申请号：US3633062D

申请日：1969-05-26

Applicant: ISE ELECTRONICS CORP

Inventor： TAMURA MITSURU

IPC: H01J1/15 ,  H01J3/02 ,  H01J19/08

CPC classification number: H01J3/027 ,  H01J1/15

Abstract: In a direct-heated cathode electrode for use in electron guns wherein a heating element is mounted on a base to heat a cathode pellet which emits thermoions, a cathode shield maintained at the same potential as the heating element is disposed between the same and the base.

Abstract translation: 在用于电子枪的直接加热阴极中，其中加热元件安装在基座上以加热发射热分离的阴极丸粒，保持与加热元件相同电位的阴极屏蔽件设置在基底和基底之间 。