GB379702A - Highly emissive thermionic cathode - Google Patents
Highly emissive thermionic cathodeInfo
- Publication number
- GB379702A GB379702A GB15857/31A GB1585731A GB379702A GB 379702 A GB379702 A GB 379702A GB 15857/31 A GB15857/31 A GB 15857/31A GB 1585731 A GB1585731 A GB 1585731A GB 379702 A GB379702 A GB 379702A
- Authority
- GB
- United Kingdom
- Prior art keywords
- treatment
- vapour
- potassium
- emissive
- preliminary
- 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
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 2
- 229910018487 Ni—Cr Inorganic materials 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 abstract 1
- YAGKRVSRTSUGEY-UHFFFAOYSA-N ferricyanide Chemical compound [Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] YAGKRVSRTSUGEY-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 150000004679 hydroxides Chemical class 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 239000000276 potassium ferrocyanide Substances 0.000 abstract 1
- 235000012249 potassium ferrocyanide Nutrition 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 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
- Solid Thermionic Cathode (AREA)
- Cold Cathode And The Manufacture (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE379702X | 1930-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB379702A true GB379702A (en) | 1932-08-30 |
Family
ID=6344745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15857/31A Expired GB379702A (en) | 1930-05-31 | 1931-05-30 | Highly emissive thermionic cathode |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE380141A (enrdf_load_stackoverflow) |
| FR (1) | FR717915A (enrdf_load_stackoverflow) |
| GB (1) | GB379702A (enrdf_load_stackoverflow) |
-
0
- BE BE380141D patent/BE380141A/xx unknown
-
1931
- 1931-05-29 FR FR717915D patent/FR717915A/fr not_active Expired
- 1931-05-30 GB GB15857/31A patent/GB379702A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR717915A (fr) | 1932-01-16 |
| BE380141A (enrdf_load_stackoverflow) |
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