FR2259442A1 - - Google Patents
Info
- Publication number
- FR2259442A1 FR2259442A1 FR7502689A FR7502689A FR2259442A1 FR 2259442 A1 FR2259442 A1 FR 2259442A1 FR 7502689 A FR7502689 A FR 7502689A FR 7502689 A FR7502689 A FR 7502689A FR 2259442 A1 FR2259442 A1 FR 2259442A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
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- 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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
- H10F30/21—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB407174A GB1450627A (en) | 1974-01-29 | 1974-01-29 | Opto-electronic devices |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2259442A1 true FR2259442A1 (en, 2012) | 1975-08-22 |
FR2259442B3 FR2259442B3 (en, 2012) | 1977-10-21 |
Family
ID=9770194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7502689A Expired FR2259442B3 (en, 2012) | 1974-01-29 | 1975-01-29 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2502865A1 (en, 2012) |
FR (1) | FR2259442B3 (en, 2012) |
GB (1) | GB1450627A (en, 2012) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0106514A3 (en) * | 1982-09-23 | 1986-02-12 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And | Infrared detectors |
FR2573574A1 (fr) * | 1984-11-16 | 1986-05-23 | Messerschmitt Boelkow Blohm | Photocathode pour le domaine infrarouge |
FR2591032A1 (fr) * | 1985-11-29 | 1987-06-05 | Thomson Csf | Photocathode a faible courant d'obscurite |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4206002A (en) * | 1976-10-19 | 1980-06-03 | University Of Pittsburgh | Graded band gap multi-junction solar energy cell |
JPS6025913B2 (ja) * | 1980-11-03 | 1985-06-20 | インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン | エネルギ−変換装置 |
GB2127619B (en) * | 1982-09-23 | 1986-07-02 | Secr Defence | Infrared detectors |
DE3917685A1 (de) * | 1989-05-31 | 1990-12-06 | Telefunken Electronic Gmbh | Halbleiter-bauelement |
-
1974
- 1974-01-29 GB GB407174A patent/GB1450627A/en not_active Expired
-
1975
- 1975-01-24 DE DE19752502865 patent/DE2502865A1/de active Pending
- 1975-01-29 FR FR7502689A patent/FR2259442B3/fr not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0106514A3 (en) * | 1982-09-23 | 1986-02-12 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And | Infrared detectors |
FR2573574A1 (fr) * | 1984-11-16 | 1986-05-23 | Messerschmitt Boelkow Blohm | Photocathode pour le domaine infrarouge |
FR2591032A1 (fr) * | 1985-11-29 | 1987-06-05 | Thomson Csf | Photocathode a faible courant d'obscurite |
EP0226503A1 (fr) * | 1985-11-29 | 1987-06-24 | Thomson-Csf | Photocathode à faible courant d'obscurité |
US4751423A (en) * | 1985-11-29 | 1988-06-14 | Thomson Csf | Photocathode having a low dark current |
Also Published As
Publication number | Publication date |
---|---|
GB1450627A (en) | 1976-09-22 |
DE2502865A1 (de) | 1975-07-31 |
FR2259442B3 (en, 2012) | 1977-10-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |