GB341826A - Process for the manufacture of oxide cathodes for electric discharge tubes - Google Patents
Process for the manufacture of oxide cathodes for electric discharge tubesInfo
- Publication number
- GB341826A GB341826A GB15108/30A GB1510830A GB341826A GB 341826 A GB341826 A GB 341826A GB 15108/30 A GB15108/30 A GB 15108/30A GB 1510830 A GB1510830 A GB 1510830A GB 341826 A GB341826 A GB 341826A
- Authority
- GB
- United Kingdom
- Prior art keywords
- molybdenum
- tungsten
- electric discharge
- core
- oxides
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 4
- 229910052721 tungsten Inorganic materials 0.000 abstract 4
- 239000010937 tungsten Substances 0.000 abstract 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 3
- 229910052750 molybdenum Inorganic materials 0.000 abstract 3
- 239000011733 molybdenum Substances 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 2
- 150000001342 alkaline earth metals Chemical group 0.000 abstract 2
- 238000000151 deposition Methods 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 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
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002751 molybdenum Chemical class 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000003870 refractory metal Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (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 |
|---|---|---|---|
| HU341826X | 1929-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB341826A true GB341826A (en) | 1931-01-22 |
Family
ID=10978844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15108/30A Expired GB341826A (en) | 1929-12-23 | 1930-05-16 | Process for the manufacture of oxide cathodes for electric discharge tubes |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE370532A (enrdf_load_stackoverflow) |
| DE (1) | DE539890C (enrdf_load_stackoverflow) |
| FR (1) | FR696589A (enrdf_load_stackoverflow) |
| GB (1) | GB341826A (enrdf_load_stackoverflow) |
| NL (1) | NL28979C (enrdf_load_stackoverflow) |
-
0
- NL NL28979D patent/NL28979C/xx active
- BE BE370532D patent/BE370532A/xx unknown
-
1930
- 1930-05-14 DE DE1930539890D patent/DE539890C/de not_active Expired
- 1930-05-16 GB GB15108/30A patent/GB341826A/en not_active Expired
- 1930-06-03 FR FR696589D patent/FR696589A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE539890C (de) | 1931-12-03 |
| BE370532A (enrdf_load_stackoverflow) | |
| FR696589A (fr) | 1931-01-05 |
| NL28979C (enrdf_load_stackoverflow) |
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