GB309581A - Improved process of manufacturing wehnelt-cathodes for electric discharge devices - Google Patents
Improved process of manufacturing wehnelt-cathodes for electric discharge devicesInfo
- Publication number
- GB309581A GB309581A GB9547/29A GB954729A GB309581A GB 309581 A GB309581 A GB 309581A GB 9547/29 A GB9547/29 A GB 9547/29A GB 954729 A GB954729 A GB 954729A GB 309581 A GB309581 A GB 309581A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathodes
- alkaline earth
- wehnelt
- manufacturing
- electric discharge
- 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 abstract 2
- 238000000034 method Methods 0.000 title 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-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
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- ZZCNKSMCIZCVDR-UHFFFAOYSA-N barium(2+);dioxido(dioxo)manganese Chemical compound [Ba+2].[O-][Mn]([O-])(=O)=O ZZCNKSMCIZCVDR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- 150000001845 chromium compounds Chemical class 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000011572 manganese Substances 0.000 abstract 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 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)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL309581X | 1928-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB309581A true GB309581A (en) | 1930-03-13 |
Family
ID=19783588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9547/29A Expired GB309581A (en) | 1928-04-13 | 1929-03-25 | Improved process of manufacturing wehnelt-cathodes for electric discharge devices |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE359011A (enrdf_load_stackoverflow) |
| DE (1) | DE598547C (enrdf_load_stackoverflow) |
| FR (1) | FR671588A (enrdf_load_stackoverflow) |
| GB (1) | GB309581A (enrdf_load_stackoverflow) |
| NL (1) | NL24613C (enrdf_load_stackoverflow) |
-
0
- BE BE359011D patent/BE359011A/xx unknown
- NL NL24613D patent/NL24613C/xx active
-
1929
- 1929-03-16 DE DEN30057D patent/DE598547C/de not_active Expired
- 1929-03-16 FR FR671588D patent/FR671588A/fr not_active Expired
- 1929-03-25 GB GB9547/29A patent/GB309581A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL24613C (enrdf_load_stackoverflow) | |
| FR671588A (fr) | 1929-12-14 |
| DE598547C (de) | 1934-06-12 |
| BE359011A (enrdf_load_stackoverflow) |
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