公开(公告)号：US3846658A

公开(公告)日：1974-11-05

申请号：US31167972

申请日：1972-12-04

Applicant: HITACHI LTD

Inventor： KASAI M

IPC: H01J29/06 ,  H01J29/80 ,  H01J31/20

CPC classification number: H01J31/201 ,  H01J29/06 ,  H01J29/80 ,  H01J29/803 ,  H01J31/203

Abstract: In a post acceleration type cathode ray tube of the class comprising a panel, a fluorescent screen coated on the inner surface of the panel, a funnel, an auxiliary electrode formed on the inner surface of the funnel, an electrode maintained at an intermediate potential and positioned to face the fluorescent screen for transmitting an electron beam, and a secondary electron collector electrode disposed close to the auxiliary electrode, the secondary electron collector electrode is constructed to transmit the secondary electrons generated by the other electrodes of the tube.

Abstract translation: 在包括面板的后加速型阴极射线管中，涂覆在面板的内表面上的荧光屏，漏斗，形成在漏斗的内表面上的辅助电极，保持在中间电位的电极和 定位成面对用于透射电子束的荧光屏，以及靠近辅助电极设置的二次电子集电极，构成二次电子集电极，以透射由管的其他电极产生的二次电子。