JPH0219574B2 - - Google Patents
Info
- Publication number
- JPH0219574B2 JPH0219574B2 JP56088441A JP8844181A JPH0219574B2 JP H0219574 B2 JPH0219574 B2 JP H0219574B2 JP 56088441 A JP56088441 A JP 56088441A JP 8844181 A JP8844181 A JP 8844181A JP H0219574 B2 JPH0219574 B2 JP H0219574B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- heat
- scandium oxide
- resistant metal
- discharge lamp
- 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
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 12
- 229910044991 metal oxide Inorganic materials 0.000 claims description 9
- 150000004706 metal oxides Chemical class 0.000 claims description 9
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims 2
- 239000000470 constituent Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000012535 impurity Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000010453 quartz Substances 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910001507 metal halide Inorganic materials 0.000 description 2
- 150000005309 metal halides Chemical class 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009489 vacuum treatment Methods 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000003466 welding 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8844181A JPS57202621A (en) | 1981-06-09 | 1981-06-09 | Manufacturing method for electron emission substance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8844181A JPS57202621A (en) | 1981-06-09 | 1981-06-09 | Manufacturing method for electron emission substance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57202621A JPS57202621A (en) | 1982-12-11 |
| JPH0219574B2 true JPH0219574B2 (ru) | 1990-05-02 |
Family
ID=13942885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8844181A Granted JPS57202621A (en) | 1981-06-09 | 1981-06-09 | Manufacturing method for electron emission substance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57202621A (ru) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61269828A (ja) * | 1985-05-25 | 1986-11-29 | Mitsubishi Electric Corp | 電子管陰極の製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5316308A (en) * | 1976-07-30 | 1978-02-15 | Tokyo Gasu Denro Kk | Continuousstype rotary retort furnace |
| JPS5632659A (en) * | 1979-08-27 | 1981-04-02 | Mitsubishi Electric Corp | Metal vapor discharge lamp |
-
1981
- 1981-06-09 JP JP8844181A patent/JPS57202621A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5316308A (en) * | 1976-07-30 | 1978-02-15 | Tokyo Gasu Denro Kk | Continuousstype rotary retort furnace |
| JPS5632659A (en) * | 1979-08-27 | 1981-04-02 | Mitsubishi Electric Corp | Metal vapor discharge lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57202621A (en) | 1982-12-11 |
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