SE193518C1 - - Google Patents
Info
- Publication number
- SE193518C1 SE193518C1 SE193518DA SE193518C1 SE 193518 C1 SE193518 C1 SE 193518C1 SE 193518D A SE193518D A SE 193518DA SE 193518 C1 SE193518 C1 SE 193518C1
- Authority
- SE
- Sweden
- Prior art keywords
- tungsten
- crystals
- electrode
- thorium oxide
- thorium
- Prior art date
Links
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims description 31
- 229910003452 thorium oxide Inorganic materials 0.000 claims description 31
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 23
- 229910052721 tungsten Inorganic materials 0.000 claims description 21
- 239000010937 tungsten Substances 0.000 claims description 21
- 239000013078 crystal Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 12
- 238000005242 forging Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000001953 recrystallisation Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 150000003586 thorium compounds Chemical class 0.000 claims description 2
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims 1
- 238000000227 grinding Methods 0.000 description 6
- 238000000137 annealing Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 241000283725 Bos Species 0.000 description 1
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012190 activator Substances 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
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE193518T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE193518C1 true SE193518C1 (enrdf_load_stackoverflow) | 1964-01-01 |
Family
ID=41979586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE193518D SE193518C1 (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE193518C1 (enrdf_load_stackoverflow) |
-
0
- SE SE193518D patent/SE193518C1/sv unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO119704B (enrdf_load_stackoverflow) | ||
| SE193518C1 (enrdf_load_stackoverflow) | ||
| WO2013113049A1 (de) | Wolfram-verbundelektrode | |
| GB560815A (en) | Improvements in and relating to methods of conditioning anodes for x-ray generating apparatus | |
| DE1088155B (de) | Elektrode fuer elektrische Hochdruckentladungslampen | |
| US3758809A (en) | Emissive fused pellet electrode | |
| US3168668A (en) | High pressure mercury vapor lamp | |
| JP2710700B2 (ja) | 含浸形陰極の製造法及びこの方法によって得られる陰極 | |
| CN109585259B (zh) | 放电灯及其制造方法、放电灯用电极及其制造方法 | |
| US7528549B2 (en) | Process for producing an electrode for high-pressure discharge lamps, and an electrode and a high-pressure discharge lamp with such electrodes | |
| JP2000106131A (ja) | 放電灯用電極に使用されるタングステン材、放電灯用電極およびそれを用いた放電灯 | |
| CA1305512C (en) | Method of fabricating a composite lamp member | |
| DE2222845A1 (de) | Emittierende Elektrode und Verfahren zu ihrer Herstellung | |
| TWI576893B (zh) | Discharge lamp | |
| JPH09231939A (ja) | 高融点金属電極，その製造方法，及びそれを用いた放電灯用電極 | |
| US2269861A (en) | Ignitron starter | |
| US3488549A (en) | Dispenser cathode material and method of manufacture | |
| US3105290A (en) | Cathode for electron discharge device | |
| US2892740A (en) | Thermionic emitter and method of making same | |
| US1906653A (en) | Evacuation system | |
| JP4426411B2 (ja) | 超高圧放電灯 | |
| KR920004551B1 (ko) | 디스펜서 음극 | |
| JP3715790B2 (ja) | 放電管用含浸型陰極の製造方法 | |
| JP4300042B2 (ja) | 放電ランプ用陰極の製造方法 | |
| US2913629A (en) | Method of activating thermionic emitter |