GB1170880A - Improvements in or relating to thorium-film thermionic cathodes for electrical discharge vessels. - Google Patents
Improvements in or relating to thorium-film thermionic cathodes for electrical discharge vessels.Info
- Publication number
- GB1170880A GB1170880A GB2933568A GB2933568A GB1170880A GB 1170880 A GB1170880 A GB 1170880A GB 2933568 A GB2933568 A GB 2933568A GB 2933568 A GB2933568 A GB 2933568A GB 1170880 A GB1170880 A GB 1170880A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thorium
- tungsten
- layer
- rhenium
- outer layer
- 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
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 abstract 3
- 229910052776 Thorium Inorganic materials 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- 229910052702 rhenium Inorganic materials 0.000 abstract 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 abstract 3
- 229910052762 osmium Inorganic materials 0.000 abstract 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 abstract 2
- 229910000691 Re alloy Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 abstract 1
- -1 osmium or rhenium Chemical compound 0.000 abstract 1
- DECCZIUVGMLHKQ-UHFFFAOYSA-N rhenium tungsten Chemical compound [W].[Re] DECCZIUVGMLHKQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 abstract 1
- 229910003452 thorium oxide Inorganic materials 0.000 abstract 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
- H01J1/14—Solid thermionic cathodes characterised by the material
Landscapes
- Electrolytic Production Of Metals (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0110437 | 1967-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1170880A true GB1170880A (en) | 1969-11-19 |
Family
ID=7530233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2933568A Expired GB1170880A (en) | 1967-06-21 | 1968-06-20 | Improvements in or relating to thorium-film thermionic cathodes for electrical discharge vessels. |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1614541A1 (enExample) |
| FR (1) | FR1569373A (enExample) |
| GB (1) | GB1170880A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4114487A1 (de) * | 1991-05-03 | 1992-11-05 | Wilhelm Dr Ing Ziegenbein | Hochleistungs-gluehkathode |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH582951A5 (enExample) * | 1973-07-09 | 1976-12-15 | Bbc Brown Boveri & Cie | |
| DE4305558A1 (de) * | 1993-02-24 | 1994-08-25 | Asea Brown Boveri | Verfahren zur Herstellung von Drähten, welche insbesondere für Kathoden von Elektronenröhren geeignet sind |
-
1967
- 1967-06-21 DE DE19671614541 patent/DE1614541A1/de active Pending
-
1968
- 1968-06-19 FR FR1569373D patent/FR1569373A/fr not_active Expired
- 1968-06-20 GB GB2933568A patent/GB1170880A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4114487A1 (de) * | 1991-05-03 | 1992-11-05 | Wilhelm Dr Ing Ziegenbein | Hochleistungs-gluehkathode |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1569373A (enExample) | 1969-05-30 |
| DE1614541A1 (de) | 1970-08-20 |
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