NO121225B - - Google Patents
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- Publication number
- NO121225B NO121225B NO17108567A NO17108567A NO121225B NO 121225 B NO121225 B NO 121225B NO 17108567 A NO17108567 A NO 17108567A NO 17108567 A NO17108567 A NO 17108567A NO 121225 B NO121225 B NO 121225B
- Authority
- NO
- Norway
- Prior art keywords
- layer
- oxide
- dark
- insulating
- cathode
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims description 38
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052721 tungsten Inorganic materials 0.000 claims description 12
- 239000010937 tungsten Substances 0.000 claims description 12
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000007598 dipping method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000005554 pickling Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims 6
- 229910052782 aluminium Inorganic materials 0.000 claims 4
- 229910052790 beryllium Inorganic materials 0.000 claims 4
- 229910052749 magnesium Inorganic materials 0.000 claims 4
- 239000011777 magnesium Substances 0.000 claims 4
- 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 4
- 229910001930 tungsten oxide Inorganic materials 0.000 claims 4
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims 3
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims 2
- 239000004411 aluminium Substances 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- 239000000395 magnesium oxide Substances 0.000 description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- LTPBRCUWZOMYOC-UHFFFAOYSA-N Beryllium oxide Chemical compound O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 aluminum oxide Chemical class 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000002923 metal particle Substances 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
- H01J1/22—Heaters
-
- 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
- H01J1/24—Insulating layer or body located between heater and emissive material
Landscapes
- Solid Thermionic Cathode (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6618058A NL157743B (nl) | 1966-12-23 | 1966-12-23 | Indirect verhitte kathode. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO121225B true NO121225B (nl) | 1971-02-01 |
Family
ID=19798531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO17108567A NO121225B (nl) | 1966-12-23 | 1967-12-20 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT278183B (nl) |
| BE (1) | BE708387A (nl) |
| CH (1) | CH469346A (nl) |
| DK (1) | DK118414B (nl) |
| ES (1) | ES364237A1 (nl) |
| FR (1) | FR1549006A (nl) |
| GB (1) | GB1188668A (nl) |
| NL (1) | NL157743B (nl) |
| NO (1) | NO121225B (nl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5118983A (en) * | 1989-03-24 | 1992-06-02 | Mitsubishi Denki Kabushiki Kaisha | Thermionic electron source |
| DE4026301A1 (de) * | 1990-08-20 | 1992-02-27 | Siemens Ag | Elektronenemitter einer roentgenroehre |
-
1966
- 1966-12-23 NL NL6618058A patent/NL157743B/nl not_active IP Right Cessation
-
1967
- 1967-12-20 AT AT1151067A patent/AT278183B/de active
- 1967-12-20 NO NO17108567A patent/NO121225B/no unknown
- 1967-12-20 CH CH1791367A patent/CH469346A/de unknown
- 1967-12-20 GB GB5790467A patent/GB1188668A/en not_active Expired
- 1967-12-20 DK DK639667A patent/DK118414B/da unknown
- 1967-12-21 BE BE708387D patent/BE708387A/xx unknown
- 1967-12-21 FR FR1549006D patent/FR1549006A/fr not_active Expired
-
1969
- 1969-02-28 ES ES364237A patent/ES364237A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH469346A (de) | 1969-02-28 |
| FR1549006A (nl) | 1968-12-06 |
| DE1614295B2 (de) | 1976-02-12 |
| NL157743B (nl) | 1978-08-15 |
| AT278183B (de) | 1970-01-26 |
| GB1188668A (en) | 1970-04-22 |
| DE1614295A1 (de) | 1970-08-20 |
| NL6618058A (nl) | 1968-06-24 |
| ES364237A1 (es) | 1971-02-16 |
| BE708387A (nl) | 1968-06-21 |
| DK118414B (da) | 1970-08-17 |
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