DE2028481A1 - - Google Patents
Info
- Publication number
- DE2028481A1 DE2028481A1 DE19702028481 DE2028481A DE2028481A1 DE 2028481 A1 DE2028481 A1 DE 2028481A1 DE 19702028481 DE19702028481 DE 19702028481 DE 2028481 A DE2028481 A DE 2028481A DE 2028481 A1 DE2028481 A1 DE 2028481A1
- Authority
- DE
- Germany
- Prior art keywords
- mixture
- tube
- cathode
- cathodes
- 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.)
- Pending
Links
- 239000000203 mixture Substances 0.000 claims description 58
- 239000000843 powder Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 20
- 230000008018 melting Effects 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000003870 refractory metal Substances 0.000 claims description 15
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 14
- 229910052721 tungsten Inorganic materials 0.000 claims description 14
- 239000010937 tungsten Substances 0.000 claims description 14
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 11
- 229910052776 Thorium Inorganic materials 0.000 claims description 11
- 238000010894 electron beam technology Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- YZUCHPMXUOSLOJ-UHFFFAOYSA-N ethyne;thorium Chemical compound [Th].[C-]#[C] YZUCHPMXUOSLOJ-UHFFFAOYSA-N 0.000 description 14
- 150000003586 thorium compounds Chemical class 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- 230000005496 eutectics Effects 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000691 Re alloy Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- -1 compounds Metals Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 210000002268 wool Anatomy 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/1266—O, S, or organic compound in metal component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83275869A | 1969-06-12 | 1969-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2028481A1 true DE2028481A1 (enrdf_load_stackoverflow) | 1970-12-17 |
Family
ID=25262550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702028481 Pending DE2028481A1 (enrdf_load_stackoverflow) | 1969-06-12 | 1970-06-10 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3590242A (enrdf_load_stackoverflow) |
| DE (1) | DE2028481A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2051157A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1304744A (enrdf_load_stackoverflow) |
| NL (1) | NL7008505A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1442075A (en) * | 1974-05-28 | 1976-07-07 | V N I Pk I T Chesky I Elektros | Electrodes for arc and plasma-arc working method and apparatus for coating glassware |
| NL175480C (nl) * | 1974-06-12 | 1984-11-01 | Philips Nv | Elektrode voor een ontladingslamp, werkwijze voor de vervaardiging van een dergelijke elektrode en ontladingslamp voorzien van een dergelijke elektrode. |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3160780A (en) * | 1961-01-17 | 1964-12-08 | Philips Corp | Indirectly heated cathode |
| US3258636A (en) * | 1961-09-01 | 1966-06-28 | Electron emitter with activator of sill cide, boride or carbide of solid solu- tion of barium and at least one other alkaline earth metal | |
| FR84908E (fr) * | 1963-04-04 | 1965-05-07 | Commissaria A L En Atomique | Perfectionnements apportés aux procédés de coulée, notamment de lingots, et en particulier de carbure d'uranium |
| US3307241A (en) * | 1963-10-14 | 1967-03-07 | Litton Prec Products Inc | Process for making cathodes |
| US3269804A (en) * | 1963-11-01 | 1966-08-30 | Gen Electric | Dispenser cathode and method for the production thereof |
| US3434812A (en) * | 1964-04-16 | 1969-03-25 | Gen Electric | Thermionic cathode |
| GB1046639A (en) * | 1964-08-17 | 1966-10-26 | Gen Electric | Improvements in dispenser cathode |
| US3405044A (en) * | 1964-08-19 | 1968-10-08 | Rca Corp | Method of making high purity metal zeolite and product thereof |
| DE1251876B (enrdf_load_stackoverflow) * | 1965-12-23 | |||
| US3488549A (en) * | 1968-01-15 | 1970-01-06 | Gen Electric | Dispenser cathode material and method of manufacture |
-
1969
- 1969-06-12 US US832758A patent/US3590242A/en not_active Expired - Lifetime
-
1970
- 1970-05-29 GB GB2598270A patent/GB1304744A/en not_active Expired
- 1970-06-10 DE DE19702028481 patent/DE2028481A1/de active Pending
- 1970-06-11 NL NL7008505A patent/NL7008505A/xx unknown
- 1970-06-12 FR FR7021664A patent/FR2051157A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2051157A5 (enrdf_load_stackoverflow) | 1971-04-02 |
| GB1304744A (enrdf_load_stackoverflow) | 1973-01-31 |
| NL7008505A (enrdf_load_stackoverflow) | 1970-12-15 |
| US3590242A (en) | 1971-06-29 |
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