JPS6076856U - Directly heated cathode - Google Patents
Directly heated cathodeInfo
- Publication number
- JPS6076856U JPS6076856U JP16972583U JP16972583U JPS6076856U JP S6076856 U JPS6076856 U JP S6076856U JP 16972583 U JP16972583 U JP 16972583U JP 16972583 U JP16972583 U JP 16972583U JP S6076856 U JPS6076856 U JP S6076856U
- Authority
- JP
- Japan
- Prior art keywords
- end surface
- directly heated
- heated cathode
- heater
- stretched
- 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.)
- Granted
Links
Landscapes
- Electrolytic Production Of Metals (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
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
第１図乃至第６図は直熱型カソードの従来例を示し、第
１区は部分省略平面図、第２図は第１図のＡ−Ａ線に沿
う断面図、第３図乃至第６図は第２図の要部の各種形態
例を示す拡大断面図、第７図乃至第１０図は本考案の実
施例を示し、第７図は側断面図、第８図は第７図のＢ−
Ｂ線に沿う断面図、第９図及び第１０図は第７図の各形
態例を示す拡大断面図である。
８・・・・・・エミッタ物質、９・・曲ヒータ、１５・
・曲インシュレータ、１６・・・・・・基板部、１７ａ
、１７ｂ・・・・・・対向する突壁部、１８・・・・・
・溝、ｍｌ・曲・外側上端面、ｍ２・・・・・・内側上
端面。
θ−
第７図1 to 6 show conventional examples of directly heated cathodes, the first section is a partially omitted plan view, FIG. 2 is a sectional view taken along the line A-A in FIG. 1, and FIGS. The figure is an enlarged sectional view showing various embodiments of the main part of FIG. 2, FIGS. 7 to 10 show embodiments of the present invention, FIG. 7 is a side sectional view, and FIG. B-
A sectional view taken along the line B, and FIGS. 9 and 10 are enlarged sectional views showing each embodiment of FIG. 7. 8... Emitter substance, 9... Curved heater, 15...
・Curved insulator, 16... Board part, 17a
, 17b... opposing projecting wall portion, 18...
-Groove, ml, curve, outer upper end surface, m2...inner upper end surface. θ− Fig. 7
Claims (1)
壁部上に跨がって、中央部にエミッタ物質を被着したリ
ボン状ヒータを張設したものにおいて、前記突壁部上端
面にヒータを横切る方向でかつ内側上端面を外側上端面
より高くなるように段差を設は各上端面と接触するよう
にヒータを張設したことを特徴とする直熱型カソード。In an insulator in which a ribbon-shaped heater having an emitter material coated in the center is stretched across the projecting wall of an insulator provided with opposing projecting walls on the substrate part, an upper end surface of the projecting wall is provided. A directly heated cathode characterized in that a step is provided in a direction transverse to the heater so that the inner upper end surface is higher than the outer upper end surface, and a heater is stretched so as to be in contact with each upper end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16972583U JPS6076856U (en) | 1983-10-31 | 1983-10-31 | Directly heated cathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16972583U JPS6076856U (en) | 1983-10-31 | 1983-10-31 | Directly heated cathode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6076856U true JPS6076856U (en) | 1985-05-29 |
| JPH039240Y2 JPH039240Y2 (en) | 1991-03-07 |
Family
ID=30370722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16972583U Granted JPS6076856U (en) | 1983-10-31 | 1983-10-31 | Directly heated cathode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6076856U (en) |
-
1983
- 1983-10-31 JP JP16972583U patent/JPS6076856U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH039240Y2 (en) | 1991-03-07 |
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