DE3000169C2 - - Google Patents
Info
- Publication number
- DE3000169C2 DE3000169C2 DE19803000169 DE3000169A DE3000169C2 DE 3000169 C2 DE3000169 C2 DE 3000169C2 DE 19803000169 DE19803000169 DE 19803000169 DE 3000169 A DE3000169 A DE 3000169A DE 3000169 C2 DE3000169 C2 DE 3000169C2
- Authority
- DE
- Germany
- Prior art keywords
- storage body
- oxide mixture
- oxide
- tungsten
- molten
- 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
- 238000000034 method Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 7
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 150000004645 aluminates Chemical group 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 3
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 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
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
-
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803000169 DE3000169A1 (de) | 1980-01-04 | 1980-01-04 | Verfahren zum herstellen einer vorratskathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803000169 DE3000169A1 (de) | 1980-01-04 | 1980-01-04 | Verfahren zum herstellen einer vorratskathode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3000169A1 DE3000169A1 (de) | 1982-08-19 |
| DE3000169C2 true DE3000169C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-02-09 |
Family
ID=6091531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803000169 Granted DE3000169A1 (de) | 1980-01-04 | 1980-01-04 | Verfahren zum herstellen einer vorratskathode |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3000169A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR900009071B1 (ko) * | 1986-05-28 | 1990-12-20 | 가부시기가이샤 히다찌세이사구쇼 | 함침형 음극 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2881512A (en) * | 1954-06-16 | 1959-04-14 | Cie Generale De Telegraphite S | Composition for sintered barium cathodes |
| AT194994B (de) * | 1955-02-09 | 1958-01-25 | Philips Nv | Aus einem porösen Metallkörper, in den Bariumverbindungen aufgenommen sind, bestehende Kathode und Verfahren zur Herstellung dieser Kathode |
| NL165880C (nl) * | 1975-02-21 | 1981-05-15 | Philips Nv | Naleveringskathode. |
| DE2808134A1 (de) * | 1978-02-25 | 1979-08-30 | Licentia Gmbh | Vorratskathode |
-
1980
- 1980-01-04 DE DE19803000169 patent/DE3000169A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3000169A1 (de) | 1982-08-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: LICENTIA PATENT-VERWALTUNGS-GMBH, 6000 FRANKFURT, |
|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: H01J 9/04 |
|
| 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 THOM |
|
| 8339 | Ceased/non-payment of the annual fee |