JPH0418660B2 - - Google Patents
Info
- Publication number
- JPH0418660B2 JPH0418660B2 JP11260185A JP11260185A JPH0418660B2 JP H0418660 B2 JPH0418660 B2 JP H0418660B2 JP 11260185 A JP11260185 A JP 11260185A JP 11260185 A JP11260185 A JP 11260185A JP H0418660 B2 JPH0418660 B2 JP H0418660B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- alkaline earth
- earth metal
- scandium oxide
- heat
- 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 - Lifetime
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 24
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 12
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 11
- -1 alkaline earth metal carbonate Chemical class 0.000 claims description 11
- 230000032683 aging Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 6
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 238000013021 overheating Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 229910052788 barium Inorganic materials 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910052712 strontium Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000011206 ternary composite Substances 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 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
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60112601A JPS61269828A (ja) | 1985-05-25 | 1985-05-25 | 電子管陰極の製造方法 |
KR1019860003666A KR900007751B1 (ko) | 1985-05-25 | 1986-05-12 | 전자관 음극 및 그 제조방법 |
US06/864,566 US4864187A (en) | 1985-05-25 | 1986-05-16 | Cathode for electron tube and manufacturing method thereof |
DE8686303959T DE3660878D1 (en) | 1985-05-25 | 1986-05-23 | Cathode for electron tube and manufacturing method thereof |
EP86303959A EP0204477B1 (en) | 1985-05-25 | 1986-05-23 | Cathode for electron tube and manufacturing method thereof |
US07/377,516 US5015497A (en) | 1985-05-25 | 1989-07-10 | Cathode for electron tube and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60112601A JPS61269828A (ja) | 1985-05-25 | 1985-05-25 | 電子管陰極の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61269828A JPS61269828A (ja) | 1986-11-29 |
JPH0418660B2 true JPH0418660B2 (xx) | 1992-03-27 |
Family
ID=14590813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60112601A Granted JPS61269828A (ja) | 1985-05-25 | 1985-05-25 | 電子管陰極の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61269828A (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910002969B1 (ko) * | 1987-06-12 | 1991-05-11 | 미쓰비시전기주식회사 | 전자관음극(cathode for an electron tube) |
JPS63313446A (ja) * | 1987-06-15 | 1988-12-21 | Mitsubishi Electric Corp | 電子管陰極 |
JPS63313447A (ja) * | 1987-06-15 | 1988-12-21 | Mitsubishi Electric Corp | 電子管陰極の製法 |
JPH0690907B2 (ja) * | 1988-02-02 | 1994-11-14 | 三菱電機株式会社 | 電子管用陰極 |
KR19990033174A (ko) | 1997-10-23 | 1999-05-15 | 손욱 | 전자관용 음극 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5778759A (en) * | 1980-11-05 | 1982-05-17 | Mitsubishi Electric Corp | Metal halide lamp |
JPS57202621A (en) * | 1981-06-09 | 1982-12-11 | Mitsubishi Electric Corp | Manufacturing method for electron emission substance |
-
1985
- 1985-05-25 JP JP60112601A patent/JPS61269828A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5778759A (en) * | 1980-11-05 | 1982-05-17 | Mitsubishi Electric Corp | Metal halide lamp |
JPS57202621A (en) * | 1981-06-09 | 1982-12-11 | Mitsubishi Electric Corp | Manufacturing method for electron emission substance |
Also Published As
Publication number | Publication date |
---|---|
JPS61269828A (ja) | 1986-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |