JPS5198947A - - Google Patents
Info
- Publication number
- JPS5198947A JPS5198947A JP4214275A JP4214275A JPS5198947A JP S5198947 A JPS5198947 A JP S5198947A JP 4214275 A JP4214275 A JP 4214275A JP 4214275 A JP4214275 A JP 4214275A JP S5198947 A JPS5198947 A JP S5198947A
- Authority
- JP
- Japan
- 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
- H01J1/14—Solid thermionic cathodes characterised by the material
- H01J1/144—Solid thermionic cathodes characterised by the material with other metal oxides as an emissive material
Landscapes
- Solid Thermionic Cathode (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/458,849 US3944866A (en) | 1974-04-08 | 1974-04-08 | Thermionic emitter of lanthanum strontium vanadates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5198947A true JPS5198947A (ja) | 1976-08-31 |
Family
ID=23822334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4214275A Pending JPS5198947A (ja) | 1974-04-08 | 1975-04-07 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3944866A (ja) |
| JP (1) | JPS5198947A (ja) |
| CA (1) | CA1028491A (ja) |
| DE (1) | DE2511340A1 (ja) |
| GB (1) | GB1461043A (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4055780A (en) * | 1975-04-10 | 1977-10-25 | National Institute For Researches In Inorganic Materials | Thermionic emission cathode having a tip of a single crystal of lanthanum hexaboride |
| US4054946A (en) * | 1976-09-28 | 1977-10-18 | Bell Telephone Laboratories, Incorporated | Electron source of a single crystal of lanthanum hexaboride emitting surface of (110) crystal plane |
| DE3003250C2 (de) * | 1980-01-30 | 1982-09-16 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren zum Abtrennen von Feststoffen aus Phosphorsäure |
| GB2192751B (en) * | 1986-07-14 | 1991-02-13 | Denki Kagaku Kogyo Kk | Method of making a thermionic cathode structure. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL80503C (ja) * | 1950-03-31 | |||
| US3312856A (en) * | 1963-03-26 | 1967-04-04 | Gen Electric | Rhenium supported metallic boride cathode emitters |
| US3440475A (en) * | 1967-04-11 | 1969-04-22 | Lokomotivbau Elektrotech | Lanthanum hexaboride cathode system for an electron beam generator |
| US3630770A (en) * | 1969-04-30 | 1971-12-28 | Gen Electric | Method for fabricating lanthanum boride cathodes |
-
1974
- 1974-04-08 US US05/458,849 patent/US3944866A/en not_active Expired - Lifetime
-
1975
- 1975-03-11 CA CA221,766A patent/CA1028491A/en not_active Expired
- 1975-03-14 DE DE19752511340 patent/DE2511340A1/de active Pending
- 1975-03-19 GB GB1147675A patent/GB1461043A/en not_active Expired
- 1975-04-07 JP JP4214275A patent/JPS5198947A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2511340A1 (de) | 1975-10-16 |
| US3944866A (en) | 1976-03-16 |
| CA1028491A (en) | 1978-03-28 |
| GB1461043A (en) | 1977-01-13 |