DE2054698A1 - Verfahren zur Herstellung einer Vorratskathode und durch dieses Verfahren hergestellte Kathode - Google Patents
Verfahren zur Herstellung einer Vorratskathode und durch dieses Verfahren hergestellte KathodeInfo
- Publication number
- DE2054698A1 DE2054698A1 DE19702054698 DE2054698A DE2054698A1 DE 2054698 A1 DE2054698 A1 DE 2054698A1 DE 19702054698 DE19702054698 DE 19702054698 DE 2054698 A DE2054698 A DE 2054698A DE 2054698 A1 DE2054698 A1 DE 2054698A1
- Authority
- DE
- Germany
- Prior art keywords
- cathode
- grains
- layers
- layer
- sintered
- 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
- 238000000034 method Methods 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 229910052762 osmium Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 150000001553 barium compounds Chemical class 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052776 Thorium Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 description 11
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 11
- 239000007789 gas Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000006187 pill Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FQNGWRSKYZLJDK-UHFFFAOYSA-N [Ca].[Ba] Chemical compound [Ca].[Ba] FQNGWRSKYZLJDK-UHFFFAOYSA-N 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000952 Be alloy Inorganic materials 0.000 description 1
- COHCXWLRUISKOO-UHFFFAOYSA-N [AlH3].[Ba] Chemical compound [AlH3].[Ba] COHCXWLRUISKOO-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- -1 barium-calcium-aluminum compound Chemical class 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6917538A NL6917538A (enrdf_load_stackoverflow) | 1969-11-21 | 1969-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2054698A1 true DE2054698A1 (de) | 1971-11-18 |
Family
ID=19808445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702054698 Pending DE2054698A1 (de) | 1969-11-21 | 1970-11-06 | Verfahren zur Herstellung einer Vorratskathode und durch dieses Verfahren hergestellte Kathode |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE759174A (enrdf_load_stackoverflow) |
| CA (1) | CA960007A (enrdf_load_stackoverflow) |
| DE (1) | DE2054698A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2069601A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1264087A (enrdf_load_stackoverflow) |
| NL (1) | NL6917538A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2808134A1 (de) * | 1978-02-25 | 1979-08-30 | Licentia Gmbh | Vorratskathode |
| DE2822665A1 (de) * | 1978-05-05 | 1979-11-08 | Bbc Brown Boveri & Cie | Gluehkathodenmaterial |
| EP0009261A1 (de) * | 1978-09-27 | 1980-04-02 | Siemens Aktiengesellschaft | Vorratskathode, insbesondere Metall-Kapillar-Kathode |
| EP0028954A1 (fr) * | 1979-11-09 | 1981-05-20 | Thomson-Csf | Cathode thermo-ionique, son procédé de fabrication et tube électronique incorporant une telle cathode |
| DE3336489A1 (de) * | 1983-10-07 | 1985-04-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Indirekt geheizte vorratskathode |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2494035A1 (fr) * | 1980-11-07 | 1982-05-14 | Thomson Csf | Cathode thermo-electronique pour tube hyperfrequences et tube incorporant une telle cathode |
| JPS58100329A (ja) * | 1981-12-11 | 1983-06-15 | Toshiba Corp | 電子管用陰極構体 |
| GB2188771B (en) * | 1986-04-01 | 1990-12-19 | Ceradyne Inc | Dispenser cathode and method of manufacture therefor |
| GB2196786A (en) * | 1986-10-27 | 1988-05-05 | Ceradyne Inc | Cathode assembly |
| KR930007461B1 (ko) * | 1991-04-23 | 1993-08-11 | 주식회사 금성사 | 함침형 음극 제조방법 |
| DE4114856A1 (de) * | 1991-05-07 | 1992-11-12 | Licentia Gmbh | Vorratskathode und verfahren zu deren herstellung |
| FR2683090A1 (fr) * | 1991-10-25 | 1993-04-30 | Europ Composants Electron | Cathode a reserve et procede de fabrication d'une telle cathode. |
-
0
- BE BE759174D patent/BE759174A/xx unknown
-
1969
- 1969-11-21 NL NL6917538A patent/NL6917538A/xx unknown
-
1970
- 1970-11-06 DE DE19702054698 patent/DE2054698A1/de active Pending
- 1970-11-18 GB GB1264087D patent/GB1264087A/en not_active Expired
- 1970-11-18 FR FR7041351A patent/FR2069601A5/fr not_active Expired
- 1970-11-18 CA CA098,418A patent/CA960007A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2808134A1 (de) * | 1978-02-25 | 1979-08-30 | Licentia Gmbh | Vorratskathode |
| DE2822665A1 (de) * | 1978-05-05 | 1979-11-08 | Bbc Brown Boveri & Cie | Gluehkathodenmaterial |
| EP0009261A1 (de) * | 1978-09-27 | 1980-04-02 | Siemens Aktiengesellschaft | Vorratskathode, insbesondere Metall-Kapillar-Kathode |
| EP0028954A1 (fr) * | 1979-11-09 | 1981-05-20 | Thomson-Csf | Cathode thermo-ionique, son procédé de fabrication et tube électronique incorporant une telle cathode |
| DE3336489A1 (de) * | 1983-10-07 | 1985-04-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Indirekt geheizte vorratskathode |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2069601A5 (enrdf_load_stackoverflow) | 1971-09-03 |
| BE759174A (fr) | 1971-05-19 |
| NL6917538A (enrdf_load_stackoverflow) | 1971-05-25 |
| GB1264087A (enrdf_load_stackoverflow) | 1972-02-16 |
| CA960007A (en) | 1974-12-31 |
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