FR1061633A - Substances à pouvoir émissif élevé - Google Patents
Substances à pouvoir émissif élevéInfo
- Publication number
- FR1061633A FR1061633A FR1061633DA FR1061633A FR 1061633 A FR1061633 A FR 1061633A FR 1061633D A FR1061633D A FR 1061633DA FR 1061633 A FR1061633 A FR 1061633A
- Authority
- FR
- France
- Prior art keywords
- substances
- high emissivity
- emissivity
- 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
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
- H01J1/148—Solid thermionic cathodes characterised by the material with compounds having metallic conductive properties, e.g. lanthanum boride, as an emissive material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1061633XA | 1951-03-28 | 1951-03-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1061633A true FR1061633A (fr) | 1954-04-14 |
Family
ID=22309845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1061633D Expired FR1061633A (fr) | 1951-03-28 | 1951-03-28 | Substances à pouvoir émissif élevé |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1061633A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2402297A1 (fr) * | 1977-09-02 | 1979-03-30 | Balzers Hochvakuum | Cathode a emission electronique |
-
1951
- 1951-03-28 FR FR1061633D patent/FR1061633A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2402297A1 (fr) * | 1977-09-02 | 1979-03-30 | Balzers Hochvakuum | Cathode a emission electronique |
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