FR1106548A - Improvements to cathode structures for electron tubes - Google Patents
Improvements to cathode structures for electron tubesInfo
- Publication number
- FR1106548A FR1106548A FR1106548DA FR1106548A FR 1106548 A FR1106548 A FR 1106548A FR 1106548D A FR1106548D A FR 1106548DA FR 1106548 A FR1106548 A FR 1106548A
- Authority
- FR
- France
- Prior art keywords
- electron tubes
- cathode structures
- cathode
- structures
- tubes
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/485—Construction of the gun or of parts thereof
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2281753A GB773580A (en) | 1953-08-19 | 1953-08-19 | Improvements in or relating to cathode structures for electron discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1106548A true FR1106548A (en) | 1955-12-20 |
Family
ID=10185522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1106548D Expired FR1106548A (en) | 1953-08-19 | 1954-08-18 | Improvements to cathode structures for electron tubes |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1106548A (en) |
GB (1) | GB773580A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2942137A (en) * | 1957-11-18 | 1960-06-21 | Gen Electric | Cathode sleeve |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3204141A (en) * | 1962-08-20 | 1965-08-31 | Kentucky Electronics Inc | Electron gun |
US6294105B1 (en) | 1997-12-23 | 2001-09-25 | International Business Machines Corporation | Chemical mechanical polishing slurry and method for polishing metal/oxide layers |
-
1953
- 1953-08-19 GB GB2281753A patent/GB773580A/en not_active Expired
-
1954
- 1954-08-18 FR FR1106548D patent/FR1106548A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2942137A (en) * | 1957-11-18 | 1960-06-21 | Gen Electric | Cathode sleeve |
Also Published As
Publication number | Publication date |
---|---|
GB773580A (en) | 1957-05-01 |
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