JPS6216490B2 - - Google Patents
Info
- Publication number
- JPS6216490B2 JPS6216490B2 JP9457178A JP9457178A JPS6216490B2 JP S6216490 B2 JPS6216490 B2 JP S6216490B2 JP 9457178 A JP9457178 A JP 9457178A JP 9457178 A JP9457178 A JP 9457178A JP S6216490 B2 JPS6216490 B2 JP S6216490B2
- Authority
- JP
- Japan
- Prior art keywords
- oxide
- metal
- cathode
- base metal
- coating layer
- 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
- 239000010953 base metal Substances 0.000 claims description 45
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 39
- 239000011247 coating layer Substances 0.000 claims description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 32
- 229910052799 carbon Inorganic materials 0.000 claims description 32
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 11
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 229910017709 Ni Co Inorganic materials 0.000 claims description 7
- 229910003267 Ni-Co Inorganic materials 0.000 claims description 7
- 229910003262 Ni‐Co Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 claims description 4
- 229910052776 Thorium Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910052770 Uranium Inorganic materials 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 9
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 6
- -1 alkaline earth metal carbonate Chemical class 0.000 description 6
- 238000010406 interfacial reaction Methods 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 229910052702 rhenium Inorganic materials 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910003296 Ni-Mo Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical group 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- DDTIGTPWGISMKL-UHFFFAOYSA-N molybdenum nickel Chemical compound [Ni].[Mo] DDTIGTPWGISMKL-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Landscapes
- Solid Thermionic Cathode (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9457178A JPS5521844A (en) | 1978-08-04 | 1978-08-04 | Metal oxide cathode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9457178A JPS5521844A (en) | 1978-08-04 | 1978-08-04 | Metal oxide cathode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5521844A JPS5521844A (en) | 1980-02-16 |
| JPS6216490B2 true JPS6216490B2 (enrdf_load_stackoverflow) | 1987-04-13 |
Family
ID=14113982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9457178A Granted JPS5521844A (en) | 1978-08-04 | 1978-08-04 | Metal oxide cathode |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5521844A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58154129A (ja) * | 1982-03-08 | 1983-09-13 | Mitsubishi Electric Corp | 電子管陰極 |
-
1978
- 1978-08-04 JP JP9457178A patent/JPS5521844A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5521844A (en) | 1980-02-16 |
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