GB1439822A - Gallium arsenide photocathodes - Google Patents

Gallium arsenide photocathodes

Info

Publication number
GB1439822A
GB1439822A GB578273A GB578273A GB1439822A GB 1439822 A GB1439822 A GB 1439822A GB 578273 A GB578273 A GB 578273A GB 578273 A GB578273 A GB 578273A GB 1439822 A GB1439822 A GB 1439822A
Authority
GB
United Kingdom
Prior art keywords
gaas
layers
substrate
photocathodes
type
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
GB578273A
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 GB578273A priority Critical patent/GB1439822A/en
Priority to NL7401016A priority patent/NL7401016A/xx
Priority to DE2404016A priority patent/DE2404016A1/de
Priority to US438139A priority patent/US3901745A/en
Priority to FR7403410A priority patent/FR2216668B1/fr
Publication of GB1439822A publication Critical patent/GB1439822A/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
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/051—Etching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/056—Gallium arsenide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/072—Heterojunctions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/12—Photocathodes-Cs coated and solar cell
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/135—Removal of substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Light Receiving Elements (AREA)
  • Photovoltaic Devices (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
GB578273A 1973-02-06 1973-02-06 Gallium arsenide photocathodes Expired GB1439822A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB578273A GB1439822A (en) 1973-02-06 1973-02-06 Gallium arsenide photocathodes
NL7401016A NL7401016A (enrdf_load_stackoverflow) 1973-02-06 1974-01-25
DE2404016A DE2404016A1 (de) 1973-02-06 1974-01-29 Verfahren zum herstellen einer gaasfotokathode
US438139A US3901745A (en) 1973-02-06 1974-01-30 Gallium arsenide photocathode
FR7403410A FR2216668B1 (enrdf_load_stackoverflow) 1973-02-06 1974-02-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB578273A GB1439822A (en) 1973-02-06 1973-02-06 Gallium arsenide photocathodes

Publications (1)

Publication Number Publication Date
GB1439822A true GB1439822A (en) 1976-06-16

Family

ID=9802520

Family Applications (1)

Application Number Title Priority Date Filing Date
GB578273A Expired GB1439822A (en) 1973-02-06 1973-02-06 Gallium arsenide photocathodes

Country Status (5)

Country Link
US (1) US3901745A (enrdf_load_stackoverflow)
DE (1) DE2404016A1 (enrdf_load_stackoverflow)
FR (1) FR2216668B1 (enrdf_load_stackoverflow)
GB (1) GB1439822A (enrdf_load_stackoverflow)
NL (1) NL7401016A (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959045A (en) * 1974-11-18 1976-05-25 Varian Associates Process for making III-V devices
US4019082A (en) * 1975-03-24 1977-04-19 Rca Corporation Electron emitting device and method of making the same
US3959037A (en) * 1975-04-30 1976-05-25 The United States Of America As Represented By The Secretary Of The Army Electron emitter and method of fabrication
US3959038A (en) * 1975-04-30 1976-05-25 The United States Of America As Represented By The Secretary Of The Army Electron emitter and method of fabrication
US3972750A (en) * 1975-04-30 1976-08-03 The United States Of America As Represented By The Secretary Of The Army Electron emitter and method of fabrication
US4498225A (en) * 1981-05-06 1985-02-12 The United States Of America As Represented By The Secretary Of The Army Method of forming variable sensitivity transmission mode negative electron affinity photocathode
US4477294A (en) * 1981-05-06 1984-10-16 The United States Of America As Represented By The Secretary Of The Army Method of forming GaAs on Aly Ga1-y As transmission mode photocathodehode
FR2506518A1 (fr) * 1981-05-20 1982-11-26 Labo Electronique Physique Structure multiplicatrice d'electrons comportant un multiplicateur a galettes de microcanaux suivi d'un etage amplificateur a dynode, procede de fabrication et utilisation dans un tube photoelectrique
DE3524765A1 (de) * 1985-07-11 1987-01-22 Licentia Gmbh Verfahren zum herstellen einer durchsichtphotokathode
JP2680083B2 (ja) * 1988-12-06 1997-11-19 富士通株式会社 半導体基板及びその製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478213A (en) * 1967-09-05 1969-11-11 Rca Corp Photomultiplier or image amplifier with secondary emission transmission type dynodes made of semiconductive material with low work function material disposed thereon
US3575628A (en) * 1968-11-26 1971-04-20 Westinghouse Electric Corp Transmissive photocathode and devices utilizing the same
US3592705A (en) * 1969-05-02 1971-07-13 Sony Corp Method of making semiconductor device
US3631303A (en) * 1970-01-19 1971-12-28 Varian Associates Iii-v cathodes having a built-in gradient of potential energy for increasing the emission efficiency
DE2163075C2 (de) * 1970-12-23 1982-03-04 Naamloze Vennootschap Philips' Gloeilampenfabrieken, 5621 Eindhoven Verfahren zur Herstellung von elektrolumineszierenden Halbleiterbauelementen

Also Published As

Publication number Publication date
US3901745A (en) 1975-08-26
NL7401016A (enrdf_load_stackoverflow) 1974-08-08
DE2404016A1 (de) 1974-08-08
FR2216668B1 (enrdf_load_stackoverflow) 1977-09-16
FR2216668A1 (enrdf_load_stackoverflow) 1974-08-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee