JPS582854U

JPS582854U - cathode ray tube

Info

Publication number: JPS582854U
Application number: JP9534281U
Authority: JP
Inventors: 今西　渉; 鎌田　豊一
Original assignee: 三菱電機株式会社
Priority date: 1981-06-26
Filing date: 1981-06-26
Publication date: 1983-01-10

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 drawings]

第１図は従来のソフトフラッシュ型陰極線管を例示する
模式図、第２図は従来のゲッタースプリングの絶縁物付
近を拡大した平面図、第３図は第２図めＡ−Ａ’断面図
、第４図〜第１０図は本考案の一実施例を示す図で、第
４図ａ及びｂは絶縁物の平面図及び断面図、第５図ａ、
　　ｂ及びＣはゲッタースプリングの平面図、側面図及
び正面図、°第６図ａ及びｂは絶縁物とゲッタースプリ
ングを組合せた時の平面図及び断面図、第７図ａ、　　
ｂ及びＣはゲッタースプリングの他の実施例を示す平面
図、側面図及び正面図、第８図はそのゲッタースプリン
グ絶縁物アッセンブリーの平面図、第９図は第８図のＡ
−Ａ’線断面図、第１０図は第８図のＢ−Ｂ’線断面図
である。　　　　。２はファンネル、３は内部導電膜、６は陽極、２０はゲ
ッターアッセンブリ、２１はゲッター、２２．２９はゲ
ッタースプリング、２３．２８は絶縁物、３１はゲッタ
ースプリングの折曲げ突起部、２５はリベットである。Fig. 1 is a schematic diagram illustrating a conventional soft flash type cathode ray tube, Fig. 2 is an enlarged plan view of the vicinity of the insulator of a conventional getter spring, Fig. 3 is a sectional view taken along line A-A' in Fig. 2, Figures 4 to 10 are diagrams showing an embodiment of the present invention; Figures 4a and 4b are a plan view and a cross-sectional view of an insulator; Figures 5a and 10 are
b and C are a plan view, a side view, and a front view of the getter spring; ° Fig. 6 a and b are a plan view and a sectional view when the getter spring is combined with an insulator; Fig. 7 a,
b and C are plan views, side views and front views showing other embodiments of the getter spring, FIG. 8 is a plan view of the getter spring insulator assembly, and FIG. 9 is A of FIG. 8.
-A' line sectional view, and FIG. 10 is a BB' line sectional view of FIG. . 2 is a funnel, 3 is an internal conductive film, 6 is an anode, 20 is a getter assembly, 21 is a getter, 22.29 is a getter spring, 23.28 is an insulator, 31 is a bent protrusion of the getter spring, 25 is a rivet It is.

Claims

[Scope of utility model registration request]

(1) 1 of the internal conductive film provided on the inner surface of the funnel part
A cathode ray tube that is formed at least in part with a high-resistance conductive film having an electrical resistance between two points separated by a cm from 100Ω to 1000Ω, and insulating material is provided in a part of the getter spring of the antenna getter. In a cathode ray tube in which an electron gun and a getter are electrically insulated using a cathode ray tube, a small amount (
Both have two holes, one hole is overlapped with the hole drilled on the getter spring and connected with a metal such as a rivet, and the other hole is fitted with the bent protrusion of the getter spring. A cathode ray tube featuring

(2) The tip of the bent protrusion of the getter spring is thinner than the root, and the inner diameter of the hole in the insulator that fits into the tip of the getter spring is narrower than the root. A cathode ray tube according to claim 1 of the utility model registration claim.