JPS5945840U

JPS5945840U - Image tube

Info

Publication number: JPS5945840U
Application number: JP14050482U
Authority: JP
Inventors: 雅彦佐々木
Original assignee: 株式会社東芝
Priority date: 1982-09-16
Filing date: 1982-09-16
Publication date: 1984-03-27

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図は従来の電磁集束・静電偏向型撮像管を示す縦断
面図、第２図はこの考案の一実施例に係る電磁集束・静
電偏向型撮像管を示す縦断面図、第３図及び第４図は第
２図の要部を拡大して示す゛分解縦断面図と横断面図、
第５図乃至第７図はこの考案の変形例を示す縦断面図、
横断面図である。１７・・・・・・ガラス外囲器、１９・・・・・・面板
、２１・・・・・・電子銃、２２・・・・・・電極、２
３・・・・・・透明信号電極、２４・・・・・・ターゲ
ット、２５・・・・・・メツシュ電極、２６・・・・・
・支持リング、２７・・・・・・突起、２８・・・・・
・軟質金属、２９・・・・・・貫通孔、３０・・・・・
・金属片、３１・・・・・・電極、３２・・・・・・信
号取出し棒。FIG. 1 is a longitudinal sectional view showing a conventional electromagnetic focusing/electrostatic deflection type image pickup tube, FIG. 2 is a longitudinal sectional view showing an electromagnetic focusing/electrostatic deflection type image pickup tube according to an embodiment of this invention, and FIG. Figures 4 and 4 are an exploded longitudinal cross-sectional view and a cross-sectional view showing enlarged main parts of Figure 2;
5 to 7 are longitudinal cross-sectional views showing modifications of this invention,
FIG. 17... Glass envelope, 19... Face plate, 21... Electron gun, 22... Electrode, 2
3...Transparent signal electrode, 24...Target, 25...Mesh electrode, 26...
・Support ring, 27... Protrusion, 28...
・Soft metal, 29...Through hole, 30...
・Metal piece, 31... Electrode, 32... Signal extraction rod.

Claims

[Scope of utility model registration request]

(1) At the open end of the glass envelope that has an electron gun inside,
In an image pickup tube in which a face plate is sealed and a mesh electrode is arranged facing a target on the inner surface of the face plate, a soft metal is provided directly or indirectly at a predetermined location on the inner surface of the glass envelope, and the An imaging tube characterized in that a protrusion of a support ring for supporting the mesh electrode is embedded and fixed in metal.

(2) The imaging tube according to claim 1, wherein a metal piece is provided so as to penetrate the side wall of the glass envelope and have one end electrically connected to the support ring.

(3) The imaging tube as described in claim 1 above, wherein a metal piece is provided so as to penetrate the side wall of the glass envelope and reach the soft metal.

(4) The soft metal is provided on an electrode formed on the inner surface of the glass envelope.
The image pickup tube described in Section 1.