GB1450627A - Opto-electronic devices - Google Patents

Opto-electronic devices

Info

Publication number
GB1450627A
GB1450627A GB407174A GB407174A GB1450627A GB 1450627 A GB1450627 A GB 1450627A GB 407174 A GB407174 A GB 407174A GB 407174 A GB407174 A GB 407174A GB 1450627 A GB1450627 A GB 1450627A
Authority
GB
United Kingdom
Prior art keywords
layer
type
barrier layer
band
photo
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
Application number
GB407174A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB407174A priority Critical patent/GB1450627A/en
Priority to DE19752502865 priority patent/DE2502865A1/de
Priority to FR7502689A priority patent/FR2259442B3/fr
Publication of GB1450627A publication Critical patent/GB1450627A/en
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Light Receiving Elements (AREA)
GB407174A 1974-01-29 1974-01-29 Opto-electronic devices Expired GB1450627A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB407174A GB1450627A (en) 1974-01-29 1974-01-29 Opto-electronic devices
DE19752502865 DE2502865A1 (de) 1974-01-29 1975-01-24 Optoelektronisches halbleiterbauelement
FR7502689A FR2259442B3 (enrdf_load_html_response) 1974-01-29 1975-01-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB407174A GB1450627A (en) 1974-01-29 1974-01-29 Opto-electronic devices

Publications (1)

Publication Number Publication Date
GB1450627A true GB1450627A (en) 1976-09-22

Family

ID=9770194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB407174A Expired GB1450627A (en) 1974-01-29 1974-01-29 Opto-electronic devices

Country Status (3)

Country Link
DE (1) DE2502865A1 (enrdf_load_html_response)
FR (1) FR2259442B3 (enrdf_load_html_response)
GB (1) GB1450627A (enrdf_load_html_response)

Cited By (3)

* Cited by examiner, † Cited by third party
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
GB2127619A (en) * 1982-09-23 1984-04-11 Secr Defence Infrared detectors
US4679063A (en) * 1982-09-23 1987-07-07 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Infra red detectors

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3441922C2 (de) * 1984-11-16 1986-10-02 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Fotokathode für den Infrarotbereich
FR2591032B1 (fr) * 1985-11-29 1988-01-08 Thomson Csf Photocathode a faible courant d'obscurite
DE3917685A1 (de) * 1989-05-31 1990-12-06 Telefunken Electronic Gmbh Halbleiter-bauelement

Cited By (3)

* Cited by examiner, † Cited by third party
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
GB2127619A (en) * 1982-09-23 1984-04-11 Secr Defence Infrared detectors
US4679063A (en) * 1982-09-23 1987-07-07 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Infra red detectors

Also Published As

Publication number Publication date
DE2502865A1 (de) 1975-07-31
FR2259442A1 (enrdf_load_html_response) 1975-08-22
FR2259442B3 (enrdf_load_html_response) 1977-10-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee