CH307121A - Cathode and process for its manufacture. - Google Patents
Cathode and process for its manufacture.Info
- Publication number
- CH307121A CH307121A CH307121DA CH307121A CH 307121 A CH307121 A CH 307121A CH 307121D A CH307121D A CH 307121DA CH 307121 A CH307121 A CH 307121A
- Authority
- CH
- Switzerland
- Prior art keywords
- cathode
- manufacture
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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 |
|---|---|---|---|
| HU307121X | 1950-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH307121A true CH307121A (en) | 1955-05-15 |
Family
ID=10978741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH307121D CH307121A (en) | 1950-12-20 | 1951-12-14 | Cathode and process for its manufacture. |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH307121A (en) |
| DE (1) | DE883936C (en) |
| GB (1) | GB715284A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH659916A5 (en) * | 1983-03-31 | 1987-02-27 | Inst Radiotekh Elektron | CATODE AND GAS DISCHARGE TUBES, DESIGNED ON THE BASIS OF THIS CATODE. |
| GB2304990B (en) * | 1995-09-08 | 1999-09-01 | Eev Ltd | Switching arrangements |
| US5994850A (en) * | 1995-09-08 | 1999-11-30 | Eev Limited | Switching arrangements wherein a cylindrical trigger electrode is arranged around a gap between an anode and cathode for establishing a discharge therebetween |
| US7772771B2 (en) | 2003-01-17 | 2010-08-10 | Hamamatsu Photonics K.K. | Alkali metal generating agent, alkali metal generator, photoelectric surface, secondary electron emission surface, electron tube, method for manufacturing photoelectric surface, method for manufacturing secondary electron emission surface, and method for manufacturing electron tube |
| JPWO2004066337A1 (en) | 2003-01-17 | 2006-05-18 | 浜松ホトニクス株式会社 | Alkali metal generator, alkali metal generator, photocathode, secondary electron emission surface, electron tube, photocathode production method, secondary electron emission surface production method, and electron tube production method |
| ITMI20042279A1 (en) | 2004-11-24 | 2005-02-24 | Getters Spa | ALKALINE METAL DISPENSER SYSTEM ABLE TO DELIVER HIGH QUANTITIES OF METALS |
-
1951
- 1951-12-12 DE DEE4755A patent/DE883936C/en not_active Expired
- 1951-12-14 CH CH307121D patent/CH307121A/en unknown
- 1951-12-19 GB GB29720/51A patent/GB715284A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB715284A (en) | 1954-09-08 |
| DE883936C (en) | 1953-07-23 |
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