FR1341863A - Improvements made to photo-emitting cathodes - Google Patents
Improvements made to photo-emitting cathodesInfo
- Publication number
- FR1341863A FR1341863A FR919075A FR919075A FR1341863A FR 1341863 A FR1341863 A FR 1341863A FR 919075 A FR919075 A FR 919075A FR 919075 A FR919075 A FR 919075A FR 1341863 A FR1341863 A FR 1341863A
- Authority
- FR
- France
- Prior art keywords
- photo
- improvements made
- emitting cathodes
- cathodes
- emitting
- 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
- H01J1/34—Photo-emissive cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/34—Photoemissive electrodes
- H01J2201/342—Cathodes
- H01J2201/3421—Composition of the emitting surface
- H01J2201/3423—Semiconductors, e.g. GaAs, NEA emitters
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR919075A FR1341863A (en) | 1961-12-16 | 1962-12-18 | Improvements made to photo-emitting cathodes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB65211A DE1170640B (en) | 1961-12-16 | 1961-12-16 | Process for the production of polyadducts |
FR919075A FR1341863A (en) | 1961-12-16 | 1962-12-18 | Improvements made to photo-emitting cathodes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1341863A true FR1341863A (en) | 1963-11-02 |
Family
ID=25966118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR919075A Expired FR1341863A (en) | 1961-12-16 | 1962-12-18 | Improvements made to photo-emitting cathodes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1341863A (en) |
-
1962
- 1962-12-18 FR FR919075A patent/FR1341863A/en not_active Expired
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