CA1046131A - Method of manufacturing a dispenser cathode, and dispenser cathode manufactured according to said method - Google Patents
Method of manufacturing a dispenser cathode, and dispenser cathode manufactured according to said methodInfo
- Publication number
- CA1046131A CA1046131A CA243,153A CA243153A CA1046131A CA 1046131 A CA1046131 A CA 1046131A CA 243153 A CA243153 A CA 243153A CA 1046131 A CA1046131 A CA 1046131A
- Authority
- CA
- Canada
- Prior art keywords
- cathode
- dispenser cathode
- emissive
- barium
- dispenser
- 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 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 229910052788 barium Inorganic materials 0.000 claims abstract description 18
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 4
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 238000005498 polishing Methods 0.000 abstract description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 239000000843 powder Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- DECCZIUVGMLHKQ-UHFFFAOYSA-N rhenium tungsten Chemical compound [W].[Re] DECCZIUVGMLHKQ-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 235000016768 molybdenum Nutrition 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 102000017795 Perilipin-1 Human genes 0.000 description 1
- 108010067162 Perilipin-1 Proteins 0.000 description 1
- 229910000691 Re alloy Inorganic materials 0.000 description 1
- WOIHABYNKOEWFG-UHFFFAOYSA-N [Sr].[Ba] Chemical compound [Sr].[Ba] WOIHABYNKOEWFG-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- HJGMWXTVGKLUAQ-UHFFFAOYSA-N oxygen(2-);scandium(3+) Chemical compound [O-2].[O-2].[O-2].[Sc+3].[Sc+3] HJGMWXTVGKLUAQ-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000682 scanning probe acoustic microscopy Methods 0.000 description 1
- 238000005245 sintering Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7500248A NL7500248A (nl) | 1975-01-09 | 1975-01-09 | Werkwijze voor het vervaardigen van een geperste naleveringskathode en naleveringskathode ver- vaardigd volgens deze werkwijze. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1046131A true CA1046131A (en) | 1979-01-09 |
Family
ID=19822961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA243,153A Expired CA1046131A (en) | 1975-01-09 | 1976-01-08 | Method of manufacturing a dispenser cathode, and dispenser cathode manufactured according to said method |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5193659A (cs) |
| CA (1) | CA1046131A (cs) |
| FR (1) | FR2297490A1 (cs) |
| GB (1) | GB1522387A (cs) |
| NL (1) | NL7500248A (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8201371A (nl) * | 1982-04-01 | 1983-11-01 | Philips Nv | Werkwijzen voor het vervaardigen van een naleveringskathode en naleveringskathode vervaardigd volgens deze werkwijzen. |
| GB2173943A (en) * | 1985-04-18 | 1986-10-22 | Noblelight Limited | Improvements in and relating to cathodes |
| JPH0850849A (ja) * | 1994-05-31 | 1996-02-20 | Nec Kansai Ltd | 陰極部材およびそれを用いた電子管 |
| FR2840450A1 (fr) * | 2002-05-31 | 2003-12-05 | Thomson Licensing Sa | Corps cathodo-emissif pour cathode impregnee de tube electronique |
-
1975
- 1975-01-09 NL NL7500248A patent/NL7500248A/xx not_active Application Discontinuation
- 1975-10-24 GB GB4380075A patent/GB1522387A/en not_active Expired
-
1976
- 1976-01-07 JP JP133976A patent/JPS5193659A/ja active Granted
- 1976-01-08 CA CA243,153A patent/CA1046131A/en not_active Expired
- 1976-01-09 FR FR7600399A patent/FR2297490A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2297490B1 (cs) | 1980-03-28 |
| DE2558784B2 (de) | 1977-05-26 |
| JPS5616499B2 (cs) | 1981-04-16 |
| NL7500248A (nl) | 1976-07-13 |
| JPS5193659A (en) | 1976-08-17 |
| FR2297490A1 (fr) | 1976-08-06 |
| DE2558784A1 (de) | 1976-07-15 |
| GB1522387A (en) | 1978-08-23 |
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