DE3304861C2 - - Google Patents
Info
- Publication number
- DE3304861C2 DE3304861C2 DE19833304861 DE3304861A DE3304861C2 DE 3304861 C2 DE3304861 C2 DE 3304861C2 DE 19833304861 DE19833304861 DE 19833304861 DE 3304861 A DE3304861 A DE 3304861A DE 3304861 C2 DE3304861 C2 DE 3304861C2
- Authority
- DE
- Germany
- Prior art keywords
- insulating layer
- solution
- reheating
- oxynitrate
- temperatures
- 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 - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 238000003303 reheating Methods 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 230000001476 alcoholic effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 claims description 2
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052845 zircon Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims 1
- 150000001805 chlorine compounds Chemical class 0.000 claims 1
- 230000009189 diving Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 150000002823 nitrates Chemical class 0.000 claims 1
- 238000002791 soaking Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- 229910006213 ZrOCl2 Inorganic materials 0.000 description 1
- FLVFLHZPYDNHJE-UHFFFAOYSA-N chloro hypochlorite;hafnium Chemical compound [Hf].ClOCl FLVFLHZPYDNHJE-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 1
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 150000003754 zirconium Chemical class 0.000 description 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
- H01J9/08—Manufacture of heaters for indirectly-heated cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833304861 DE3304861A1 (de) | 1983-02-12 | 1983-02-12 | Verfahren zum herstellen eines heizelementes fuer eine indirekt geheizte kathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833304861 DE3304861A1 (de) | 1983-02-12 | 1983-02-12 | Verfahren zum herstellen eines heizelementes fuer eine indirekt geheizte kathode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3304861A1 DE3304861A1 (de) | 1984-08-16 |
| DE3304861C2 true DE3304861C2 (esLanguage) | 1992-07-16 |
Family
ID=6190681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833304861 Granted DE3304861A1 (de) | 1983-02-12 | 1983-02-12 | Verfahren zum herstellen eines heizelementes fuer eine indirekt geheizte kathode |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3304861A1 (esLanguage) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1237224B (de) * | 1966-01-22 | 1967-03-23 | Telefunken Patent | Verfahren zur Beschichtung der Innenflaeche einer Kathodenhuelse fuer elektrische Entladungsroehren |
-
1983
- 1983-02-12 DE DE19833304861 patent/DE3304861A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3304861A1 (de) | 1984-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8320 | Willingness to grant licenses declared (paragraph 23) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: AEG ELEKTRONISCHE ROEHREN GMBH, 89077 ULM, DE |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: THOMSON TUBES ELECTRONIQUES GMBH, 89077 ULM, DE |
|
| 8339 | Ceased/non-payment of the annual fee |