DE1564388C3 - Verfahren zur Herstellung einer indirekt heizbaren Kathode und durch diese Verfahren hergestellte Kathode - Google Patents
Verfahren zur Herstellung einer indirekt heizbaren Kathode und durch diese Verfahren hergestellte KathodeInfo
- Publication number
- DE1564388C3 DE1564388C3 DE1564388A DE1564388A DE1564388C3 DE 1564388 C3 DE1564388 C3 DE 1564388C3 DE 1564388 A DE1564388 A DE 1564388A DE 1564388 A DE1564388 A DE 1564388A DE 1564388 C3 DE1564388 C3 DE 1564388C3
- Authority
- DE
- Germany
- Prior art keywords
- cathode
- filament
- ceramic
- foam
- support
- 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
- H01J1/24—Insulating layer or body located between heater and emissive material
Landscapes
- Solid Thermionic Cathode (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL656502586A NL142817B (nl) | 1965-03-02 | 1965-03-02 | Werkwijze voor het vervaardigen van een indirect verhitte kathode, en kathode vervaardigd volgens deze werkwijze. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1564388A1 DE1564388A1 (de) | 1970-03-05 |
| DE1564388B2 DE1564388B2 (de) | 1973-11-22 |
| DE1564388C3 true DE1564388C3 (de) | 1974-06-20 |
Family
ID=19792531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1564388A Expired DE1564388C3 (de) | 1965-03-02 | 1966-02-26 | Verfahren zur Herstellung einer indirekt heizbaren Kathode und durch diese Verfahren hergestellte Kathode |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT257749B (enExample) |
| BE (1) | BE677153A (enExample) |
| CH (1) | CH442536A (enExample) |
| DE (1) | DE1564388C3 (enExample) |
| DK (1) | DK111423B (enExample) |
| ES (1) | ES323596A1 (enExample) |
| FR (1) | FR1469999A (enExample) |
| GB (1) | GB1090935A (enExample) |
| NL (1) | NL142817B (enExample) |
| SE (1) | SE217963C1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881975A (en) * | 1986-12-23 | 1989-11-21 | Albright & Wilson Limited | Products for treating surfaces |
| CN116025532A (zh) * | 2022-12-30 | 2023-04-28 | 北京航空航天大学 | 一种空心阴极加热丝临近空间填充方法 |
-
1965
- 1965-03-02 NL NL656502586A patent/NL142817B/xx not_active IP Right Cessation
-
1966
- 1966-02-24 FR FR50964A patent/FR1469999A/fr not_active Expired
- 1966-02-25 GB GB8403/66A patent/GB1090935A/en not_active Expired
- 1966-02-26 ES ES0323596A patent/ES323596A1/es not_active Expired
- 1966-02-26 DK DK102466AA patent/DK111423B/da unknown
- 1966-02-26 DE DE1564388A patent/DE1564388C3/de not_active Expired
- 1966-02-28 SE SE259366A patent/SE217963C1/sv unknown
- 1966-02-28 CH CH282166A patent/CH442536A/de unknown
- 1966-02-28 AT AT184966A patent/AT257749B/de active
- 1966-02-28 BE BE677153D patent/BE677153A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE217963C1 (enExample) | 1968-01-02 |
| ES323596A1 (es) | 1967-01-16 |
| DE1564388A1 (de) | 1970-03-05 |
| GB1090935A (en) | 1967-11-15 |
| DE1564388B2 (de) | 1973-11-22 |
| DK111423B (da) | 1968-08-19 |
| CH442536A (de) | 1967-08-31 |
| AT257749B (de) | 1967-10-25 |
| FR1469999A (fr) | 1967-02-17 |
| NL142817B (nl) | 1974-07-15 |
| NL6502586A (enExample) | 1966-09-05 |
| BE677153A (enExample) | 1966-08-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |