JPS5317263A - Direct headted cathode for electron tube - Google Patents
Direct headted cathode for electron tubeInfo
- Publication number
- JPS5317263A JPS5317263A JP9135876A JP9135876A JPS5317263A JP S5317263 A JPS5317263 A JP S5317263A JP 9135876 A JP9135876 A JP 9135876A JP 9135876 A JP9135876 A JP 9135876A JP S5317263 A JPS5317263 A JP S5317263A
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- headted
- direct
- electron tube
- cathode substance
- 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
Abstract
PURPOSE: Distortion and curvature of a cathode substance are prevented by providing a sintered metallic layer and an electron radiant material on the front and back faces of the cathode substance, so that efficiency can be improved.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9135876A JPS5317263A (en) | 1976-08-02 | 1976-08-02 | Direct headted cathode for electron tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9135876A JPS5317263A (en) | 1976-08-02 | 1976-08-02 | Direct headted cathode for electron tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5317263A true JPS5317263A (en) | 1978-02-17 |
Family
ID=14024152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9135876A Pending JPS5317263A (en) | 1976-08-02 | 1976-08-02 | Direct headted cathode for electron tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5317263A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55155201U (en) * | 1979-04-21 | 1980-11-08 | ||
JPS55144631A (en) * | 1979-04-28 | 1980-11-11 | Hitachi Ltd | Directly-heated cathode for electronic tube |
-
1976
- 1976-08-02 JP JP9135876A patent/JPS5317263A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55155201U (en) * | 1979-04-21 | 1980-11-08 | ||
JPS623795Y2 (en) * | 1979-04-21 | 1987-01-28 | ||
JPS55144631A (en) * | 1979-04-28 | 1980-11-11 | Hitachi Ltd | Directly-heated cathode for electronic tube |
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