GB1200899A - Improvements in or relating to photocathodes - Google Patents

Improvements in or relating to photocathodes

Info

Publication number
GB1200899A
GB1200899A GB18486/67A GB1848667A GB1200899A GB 1200899 A GB1200899 A GB 1200899A GB 18486/67 A GB18486/67 A GB 18486/67A GB 1848667 A GB1848667 A GB 1848667A GB 1200899 A GB1200899 A GB 1200899A
Authority
GB
United Kingdom
Prior art keywords
caesium
oxygen
photo
layer
photoemission
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
GB18486/67A
Other languages
English (en)
Inventor
Andrew Alfred Turnbull
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.)
Philips Components Ltd
Original Assignee
Mullard Ltd
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 Mullard Ltd filed Critical Mullard Ltd
Priority to GB18486/67A priority Critical patent/GB1200899A/en
Priority to NL6805301A priority patent/NL6805301A/xx
Priority to DE19681764170 priority patent/DE1764170C3/de
Priority to SE05201/68A priority patent/SE333415B/xx
Priority to CH579668A priority patent/CH474147A/de
Priority to BE713951D priority patent/BE713951A/xx
Priority to FR1569963D priority patent/FR1569963A/fr
Priority to US722864A priority patent/US3632442A/en
Publication of GB1200899A publication Critical patent/GB1200899A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • Y10S148/065—Gp III-V generic compounds-processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
  • Hybrid Cells (AREA)
GB18486/67A 1967-04-21 1967-04-21 Improvements in or relating to photocathodes Expired GB1200899A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB18486/67A GB1200899A (en) 1967-04-21 1967-04-21 Improvements in or relating to photocathodes
NL6805301A NL6805301A (https=) 1967-04-21 1968-04-13
DE19681764170 DE1764170C3 (de) 1967-04-21 1968-04-17 Verfahren zur Herstellung einer Photokathode für eine elektrische Entladungsröhre
SE05201/68A SE333415B (https=) 1967-04-21 1968-04-18
CH579668A CH474147A (de) 1967-04-21 1968-04-19 Verfahren zur Herstellung einer elektrischen Entladungsröhre mit einer Photokathode und gemäss dem Verfahren hergestellte elektrische Entladungsröhre
BE713951D BE713951A (https=) 1967-04-21 1968-04-19
FR1569963D FR1569963A (https=) 1967-04-21 1968-04-19
US722864A US3632442A (en) 1967-04-21 1968-04-22 Photocathodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18486/67A GB1200899A (en) 1967-04-21 1967-04-21 Improvements in or relating to photocathodes

Publications (1)

Publication Number Publication Date
GB1200899A true GB1200899A (en) 1970-08-05

Family

ID=10113256

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18486/67A Expired GB1200899A (en) 1967-04-21 1967-04-21 Improvements in or relating to photocathodes

Country Status (7)

Country Link
US (1) US3632442A (https=)
BE (1) BE713951A (https=)
CH (1) CH474147A (https=)
FR (1) FR1569963A (https=)
GB (1) GB1200899A (https=)
NL (1) NL6805301A (https=)
SE (1) SE333415B (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL160425C (nl) * 1971-08-17 1979-10-15 Philips Nv Werkwijze voor het vervaardigen van een elektrische ontla- dingsbuis, waarin een elektronen-emitterende elektrode aanwezig is, die uit een drager bestaat, waarop een caesium bevattende laag is aangebracht, en elektrische ontladings- buis vervaardigd volgens deze werkwijze.
US3958143A (en) * 1973-01-15 1976-05-18 Varian Associates Long-wavelength photoemission cathode
GB1528192A (en) * 1975-03-10 1978-10-11 Secr Defence Surface treatment of iii-v compound crystals
US4242373A (en) * 1976-02-20 1980-12-30 Hitachi, Ltd. Method for vapor depositing a cerium oxide film
US4816183A (en) * 1986-08-21 1989-03-28 The Board Of Trustees Of The Leland Stanford Junior University Composite photosensitive material
JPS63291337A (ja) * 1987-05-22 1988-11-29 Sharp Corp フオトカソ−ド
US6019913A (en) * 1998-05-18 2000-02-01 The Regents Of The University Of California Low work function, stable compound clusters and generation process
US7015467B2 (en) * 2002-10-10 2006-03-21 Applied Materials, Inc. Generating electrons with an activated photocathode
US7446474B2 (en) * 2002-10-10 2008-11-04 Applied Materials, Inc. Hetero-junction electron emitter with Group III nitride and activated alkali halide
US8017176B2 (en) * 2008-01-25 2011-09-13 Mulhollan Gregory A Robust activation method for negative electron affinity photocathodes

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2070691A (en) * 1928-07-02 1937-02-16 Raytheon Mfg Co Electron discharge device
US1994904A (en) * 1933-04-22 1935-03-19 Westinghouse Electric & Mfg Co Automatic heat control
NL50859C (https=) * 1937-03-30 1941-08-16
NL50264C (https=) * 1937-04-02
US2698397A (en) * 1948-07-01 1954-12-28 Sylvania Electric Prod Electron discharge device
US2880344A (en) * 1951-03-02 1959-03-31 Rca Corp Photosurface
US2739084A (en) * 1951-04-28 1956-03-20 Emi Ltd Secondary electron emitting coatings and method for producing same
US2702259A (en) * 1951-08-09 1955-02-15 Emi Ltd Manufacture of electrodes which are sensitized so as to be emitters of photoelectrons or secondary electrons
NL147572B (nl) * 1964-12-02 1975-10-15 Philips Nv Elektrische ontladingsbuis met een fotokathode.

Also Published As

Publication number Publication date
SE333415B (https=) 1971-03-15
CH474147A (de) 1969-06-15
FR1569963A (https=) 1969-06-06
BE713951A (https=) 1968-10-21
NL6805301A (https=) 1968-10-22
DE1764170B2 (de) 1975-10-23
US3632442A (en) 1972-01-04
DE1764170A1 (de) 1971-05-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees