JPS5362454A - Direct heating type cathode construction - Google Patents
Direct heating type cathode constructionInfo
- Publication number
- JPS5362454A JPS5362454A JP13731576A JP13731576A JPS5362454A JP S5362454 A JPS5362454 A JP S5362454A JP 13731576 A JP13731576 A JP 13731576A JP 13731576 A JP13731576 A JP 13731576A JP S5362454 A JPS5362454 A JP S5362454A
- Authority
- JP
- Japan
- Prior art keywords
- heating type
- direct heating
- type cathode
- cathode construction
- substrate
- 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: To prevent the distortion of the substrate and also to prevent the peeling of oxide, and further to obtain the direct heating type cathode construction having a longer life of electron emission, by forming delicate metallic layer on the surface or the both sides of the substrate.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13731576A JPS5362454A (en) | 1976-11-17 | 1976-11-17 | Direct heating type cathode construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13731576A JPS5362454A (en) | 1976-11-17 | 1976-11-17 | Direct heating type cathode construction |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5362454A true JPS5362454A (en) | 1978-06-03 |
Family
ID=15195802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13731576A Pending JPS5362454A (en) | 1976-11-17 | 1976-11-17 | Direct heating type cathode construction |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5362454A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5632627U (en) * | 1979-08-21 | 1981-03-31 | ||
JPS5641636A (en) * | 1979-09-12 | 1981-04-18 | Hitachi Ltd | Directly heated type oxide cathode |
JPS56141136A (en) * | 1980-04-04 | 1981-11-04 | Hitachi Ltd | Oxide cathode |
-
1976
- 1976-11-17 JP JP13731576A patent/JPS5362454A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5632627U (en) * | 1979-08-21 | 1981-03-31 | ||
JPS5641636A (en) * | 1979-09-12 | 1981-04-18 | Hitachi Ltd | Directly heated type oxide cathode |
JPS56141136A (en) * | 1980-04-04 | 1981-11-04 | Hitachi Ltd | Oxide cathode |
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