JPH0183249U - - Google Patents
Info
- Publication number
- JPH0183249U JPH0183249U JP1987179101U JP17910187U JPH0183249U JP H0183249 U JPH0183249 U JP H0183249U JP 1987179101 U JP1987179101 U JP 1987179101U JP 17910187 U JP17910187 U JP 17910187U JP H0183249 U JPH0183249 U JP H0183249U
- Authority
- JP
- Japan
- Prior art keywords
- directly heated
- heated cathode
- filament
- insulating substrate
- tips
- 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
- 239000000463 material Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
Landscapes
- Solid Thermionic Cathode (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Description
第１図は、本考案に係る直熱型陰極の側面図、
第２図は、第１図の上面図、第３図は、従来の直
熱型陰極の縦断面図、第４図は、第３図のＡ―Ａ
線に沿う断面図、第５図は、他の従来の直熱型陰
極の側面図である。
２１…絶縁基板、２２…支持棒、２４…フイラ
メント、２５…エミツタ物質。
FIG. 1 is a side view of a directly heated cathode according to the present invention;
FIG. 2 is a top view of FIG. 1, FIG. 3 is a vertical cross-sectional view of a conventional directly heated cathode, and FIG.
A cross-sectional view taken along the line, FIG. 5, is a side view of another conventional directly heated cathode. 21... Insulating substrate, 22... Support rod, 24... Filament, 25... Emitter material.
Claims (1)
イラメントを交叉するよう８の字状に巻回し、そ
の交叉点上にエミツタ物質を被着したことを特徴
とする直熱型陰極。 A directly heated cathode characterized in that a filament is wound in a figure-eight shape so as to intersect between the tips of two support rods implanted in an insulating substrate, and an emitter material is deposited on the intersection point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179101U JPH0183249U (en) | 1987-11-25 | 1987-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987179101U JPH0183249U (en) | 1987-11-25 | 1987-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0183249U true JPH0183249U (en) | 1989-06-02 |
Family
ID=31470684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987179101U Pending JPH0183249U (en) | 1987-11-25 | 1987-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0183249U (en) |
-
1987
- 1987-11-25 JP JP1987179101U patent/JPH0183249U/ja active Pending