GB406431A - Method of producing high emission thermionic cathodes - Google Patents
Method of producing high emission thermionic cathodesInfo
- Publication number
- GB406431A GB406431A GB32082/32A GB3208232A GB406431A GB 406431 A GB406431 A GB 406431A GB 32082/32 A GB32082/32 A GB 32082/32A GB 3208232 A GB3208232 A GB 3208232A GB 406431 A GB406431 A GB 406431A
- Authority
- GB
- United Kingdom
- Prior art keywords
- barium
- tungsten
- tungstate
- nov
- metal
- 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 4
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 abstract 2
- SJPVUFMOBDBTHQ-UHFFFAOYSA-N barium(2+);dioxido(dioxo)tungsten Chemical compound [Ba+2].[O-][W]([O-])(=O)=O SJPVUFMOBDBTHQ-UHFFFAOYSA-N 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- 229910001930 tungsten oxide Inorganic materials 0.000 abstract 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-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
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 abstract 1
- 229910001863 barium hydroxide Inorganic materials 0.000 abstract 1
- 159000000009 barium salts Chemical class 0.000 abstract 1
- VAWSWDPVUFTPQO-UHFFFAOYSA-N calcium strontium Chemical compound [Ca].[Sr] VAWSWDPVUFTPQO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 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)
- Electrolytic Production Of Metals (AREA)
- Chemically Coating (AREA)
- Electroplating Methods And Accessories (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE406431X | 1931-11-16 | ||
| DER83352D DE713559C (de) | 1931-11-16 | 1931-11-20 | Verfahren zur Herstellung von Entladungsroehren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB406431A true GB406431A (en) | 1934-03-01 |
Family
ID=25899978
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32082/32A Expired GB406431A (en) | 1931-11-16 | 1932-11-14 | Method of producing high emission thermionic cathodes |
| GB32464/32A Expired GB409051A (en) | 1931-11-16 | 1932-11-17 | A method of producing electric discharge tubes |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32464/32A Expired GB409051A (en) | 1931-11-16 | 1932-11-17 | A method of producing electric discharge tubes |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE713559C (enrdf_load_stackoverflow) |
| FR (1) | FR745811A (enrdf_load_stackoverflow) |
| GB (2) | GB406431A (enrdf_load_stackoverflow) |
-
0
- FR FR745811D patent/FR745811A/fr not_active Expired
-
1931
- 1931-11-20 DE DER83352D patent/DE713559C/de not_active Expired
-
1932
- 1932-11-14 GB GB32082/32A patent/GB406431A/en not_active Expired
- 1932-11-17 GB GB32464/32A patent/GB409051A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR745811A (enrdf_load_stackoverflow) | 1933-05-17 |
| GB409051A (en) | 1934-04-26 |
| DE713559C (de) | 1941-11-10 |
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