JPS57210538A - Impregnation type cathode and its manufacturing process - Google Patents
Impregnation type cathode and its manufacturing processInfo
- Publication number
- JPS57210538A JPS57210538A JP9625681A JP9625681A JPS57210538A JP S57210538 A JPS57210538 A JP S57210538A JP 9625681 A JP9625681 A JP 9625681A JP 9625681 A JP9625681 A JP 9625681A JP S57210538 A JPS57210538 A JP S57210538A
- Authority
- JP
- Japan
- Prior art keywords
- iridium
- tungsten
- grain
- tungsten grain
- hydrogen
- 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.)
- Pending
Links
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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9625681A JPS57210538A (en) | 1981-06-22 | 1981-06-22 | Impregnation type cathode and its manufacturing process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9625681A JPS57210538A (en) | 1981-06-22 | 1981-06-22 | Impregnation type cathode and its manufacturing process |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57210538A true JPS57210538A (en) | 1982-12-24 |
Family
ID=14160111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9625681A Pending JPS57210538A (en) | 1981-06-22 | 1981-06-22 | Impregnation type cathode and its manufacturing process |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57210538A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62287544A (ja) * | 1986-06-06 | 1987-12-14 | Toshiba Corp | 含浸形陰極の製造方法 |
CN113936981A (zh) * | 2021-09-29 | 2022-01-14 | 北京工业大学 | 一种浸渍型钨铼锇三元混合基扩散阴极的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52152154A (en) * | 1976-06-14 | 1977-12-17 | Matsushita Electric Ind Co Ltd | Hot-cathode |
JPS5313348A (en) * | 1976-06-21 | 1978-02-06 | Varian Associates | Microwave tube with iridium cathode |
JPS5382256A (en) * | 1976-12-28 | 1978-07-20 | Nec Corp | Oxide coated cathode |
-
1981
- 1981-06-22 JP JP9625681A patent/JPS57210538A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52152154A (en) * | 1976-06-14 | 1977-12-17 | Matsushita Electric Ind Co Ltd | Hot-cathode |
JPS5313348A (en) * | 1976-06-21 | 1978-02-06 | Varian Associates | Microwave tube with iridium cathode |
JPS5382256A (en) * | 1976-12-28 | 1978-07-20 | Nec Corp | Oxide coated cathode |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62287544A (ja) * | 1986-06-06 | 1987-12-14 | Toshiba Corp | 含浸形陰極の製造方法 |
CN113936981A (zh) * | 2021-09-29 | 2022-01-14 | 北京工业大学 | 一种浸渍型钨铼锇三元混合基扩散阴极的制备方法 |
CN113936981B (zh) * | 2021-09-29 | 2023-06-23 | 北京工业大学 | 一种浸渍型钨铼锇三元混合基扩散阴极的制备方法 |
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