CH320913A - Cathode for electrical discharge vessels - Google Patents
Cathode for electrical discharge vesselsInfo
- Publication number
- CH320913A CH320913A CH320913DA CH320913A CH 320913 A CH320913 A CH 320913A CH 320913D A CH320913D A CH 320913DA CH 320913 A CH320913 A CH 320913A
- Authority
- CH
- Switzerland
- Prior art keywords
- cathode
- electrical discharge
- discharge vessels
- vessels
- electrical
- Prior art date
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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE320913X | 1952-04-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH320913A true CH320913A (en) | 1957-04-15 |
Family
ID=6158122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH320913D CH320913A (en) | 1952-04-10 | 1953-04-07 | Cathode for electrical discharge vessels |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH320913A (en) |
FR (1) | FR1074460A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2821205A1 (en) * | 2001-02-19 | 2002-08-23 | Thomson Tubes & Displays | Electron gun incorporating a cathode made from a mixture containing barium and a co-evaporative material to reduce parasitic emissions |
-
1953
- 1953-04-07 CH CH320913D patent/CH320913A/en unknown
- 1953-04-10 FR FR1074460D patent/FR1074460A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1074460A (en) | 1954-10-06 |
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