JPH0252255U - - Google Patents
Info
- Publication number
- JPH0252255U JPH0252255U JP13139488U JP13139488U JPH0252255U JP H0252255 U JPH0252255 U JP H0252255U JP 13139488 U JP13139488 U JP 13139488U JP 13139488 U JP13139488 U JP 13139488U JP H0252255 U JPH0252255 U JP H0252255U
- Authority
- JP
- Japan
- Prior art keywords
- filament
- grid electrode
- view
- outer ring
- electron beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図と第２図は本考案に係る電子銃構体の一
実施例を示すカソー・グリツド電極の側断面図と
その組立後の電子銃構体の要部断面側面図、第３
図と第４図は本考案に係る電子銃構体の他の実施
例を示すカソード・グリツド電極の側断面図とそ
の組立後の電子銃構体の要部断面側面図、第５図
は従来の電子銃構体の側面図、第６図と第７図は
従来のテープ状ヒータを有する直熱型カソードの
側断面図とそのＡ―Ａ線断面図、第８図は従来の
傍熱型カソードの側断面図、第９図と第１０図は
従来のコイル状フイラメントを有する直熱型カソ
ードの側断面図とそのＢ―Ｂ線断面図、第１１図
は第６図直熱型カソードの電子ビーム透過孔付近
の部分平面図、第１２図と第１３図は第９図直熱
型カソードの電子ビーム透過孔付近の部分平面図
と側断面図である。
３０，４１……金属外環、３１……リード、３
２……絶縁材、３３……コイル状フイラメント、
３４……カソード、３５……第１グリツド電極、
３６，４３……カソード・グリツド電極。
1 and 2 are a side cross-sectional view of a catho grid electrode showing one embodiment of an electron gun assembly according to the present invention, a cross-sectional side view of a main part of the electron gun assembly after assembly, and a third
4 and 4 are a side sectional view of the cathode/grid electrode showing another embodiment of the electron gun assembly according to the present invention, and a sectional side view of the main part of the electron gun assembly after assembly, and FIG. 5 is a conventional electron gun assembly. A side view of the gun body; FIGS. 6 and 7 are a side sectional view of a directly heated cathode with a conventional tape-shaped heater and a sectional view taken along line A--A; FIG. 8 is a side view of a conventional indirectly heated cathode. 9 and 10 are a side sectional view of a conventional directly heated cathode with a coiled filament and its sectional view taken along the line B-B. A partial plan view of the vicinity of the hole, and FIGS. 12 and 13 are a partial plan view and a side sectional view of the vicinity of the electron beam transmission hole of the directly heated cathode shown in FIG. 9. 30, 41...metal outer ring, 31...lead, 3
2... Insulating material, 33... Coiled filament,
34... cathode, 35... first grid electrode,
36, 43...Cathode/grid electrode.
Claims (1)
リードの端面に、架橋フイラメントを固定したカ
ソードと、上記フイラメントよりやや大径の電子
ビーム透過孔を有する第１グリツド電極とを具備
し、この第１グリツド電極を、上記フイラメント
に電子ビーム透過孔を位置合わせして上記金属外
環に固着して複数の筒状電極と共に同軸的に配設
したことを特徴とする電子銃構体。 A cathode having a crosslinked filament fixed to the end face of a pair of leads inserted through a metal outer ring and sealed with an insulating material, and a first grid electrode having an electron beam transmission hole having a slightly larger diameter than the filament are provided. . An electron gun assembly characterized in that the first grid electrode is fixed to the metal outer ring and coaxially arranged with a plurality of cylindrical electrodes, with the electron beam transmission hole aligned with the filament.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13139488U JPH0252255U (en) | 1988-10-06 | 1988-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13139488U JPH0252255U (en) | 1988-10-06 | 1988-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0252255U true JPH0252255U (en) | 1990-04-16 |
Family
ID=31387420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13139488U Pending JPH0252255U (en) | 1988-10-06 | 1988-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0252255U (en) |
-
1988
- 1988-10-06 JP JP13139488U patent/JPH0252255U/ja active Pending