JPS5851560U

JPS5851560U - Electrode of electronic lens

Info

Publication number: JPS5851560U
Application number: JP14828981U
Authority: JP
Inventors: 野阪　英荘
Original assignee: 三菱電機株式会社
Priority date: 1981-10-05
Filing date: 1981-10-05
Publication date: 1983-04-07

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の多段集束型インライン電子銃の電子レン
ズの断面図、第２図は第１図のＡ−Ａ線における断面図
、第３図は本考案の一実施例であるＧＢ電極の斜視図、
第４図は本考案の多段集束型インライン電子銃の電子レ
ンズの断面図である。なお、図中同一符号は同一または相当部分を示す。図に
おいて、１・・・ネックガラス、２・・・電子銃、２１
．２２・・・３極部、２３〜２６，５・・・電極、３・
・・カソード、４Ａ、４Ｇ、４Ｒ，５２Ｇ、５２Ｒ・・
・電極円筒、６・・・コンネクタ、７・・・ビードガラ
ス。Fig. 1 is a cross-sectional view of an electron lens of a conventional multi-stage focusing in-line electron gun, Fig. 2 is a cross-sectional view taken along the line A-A in Fig. 1, and Fig. 3 is a cross-sectional view of a GB electrode according to an embodiment of the present invention. Perspective view,
FIG. 4 is a sectional view of the electron lens of the multi-stage focusing in-line electron gun of the present invention. Note that the same reference numerals in the figures indicate the same or corresponding parts. In the figure, 1... Neck glass, 2... Electron gun, 21
．． 22...3 pole part, 23-26, 5...electrode, 3.
...Cathode, 4A, 4G, 4R, 52G, 52R...
- Electrode cylinder, 6... Connector, 7... Bead glass.

Claims

[Scope of utility model registration request]

In the electrodes of an electron lens, the GA electrode, the GB electrode, the same electrode, and the GD electrode are arranged in this order from the cathode side, and a high voltage is applied to the GB electrode and the GD electrode, and a low voltage is applied to the GA electrode and the GC electrode. An electrode for an electron lens, characterized in that a metal cylinder for forming an electron lens is fixed to a GB electrode to which a high voltage is applied using an electrically insulating support.