公开(公告)号：US3775630A

公开(公告)日：1973-11-27

申请号：US3775630D

申请日：1972-07-18

Applicant: HITACHI LTD

Inventor： MINAMIKAWA Y ,  KOMODA T

IPC: H01J3/02 ,  H01J1/42

CPC classification number: H01J3/021

Abstract: An electron gun device of the field emission type comprising an electron emitting cathode tip, a filament for heating the cathode tip, an anode, and a charged particle emitting electrode, in which charged particles are emitted from the electrode and bombard the anode surface to outgas the anode.

Abstract translation: 一种场发射型电子枪装置，包括电子发射阴极尖端，用于加热阴极尖端的灯丝，阳极和带电粒子发射电极，其中带电粒子从电极发射并轰击阳极表面以排出气体 阳极。