GB8514625D0 - Electron emission - Google Patents

Electron emission

Info

Publication number
GB8514625D0
GB8514625D0 GB858514625A GB8514625A GB8514625D0 GB 8514625 D0 GB8514625 D0 GB 8514625D0 GB 858514625 A GB858514625 A GB 858514625A GB 8514625 A GB8514625 A GB 8514625A GB 8514625 D0 GB8514625 D0 GB 8514625D0
Authority
GB
United Kingdom
Prior art keywords
electron emission
electron
emission
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.)
Granted
Application number
GB858514625A
Other versions
GB2162681A (en
GB2162681B (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from NL8401841A external-priority patent/NL8401841A/en
Priority claimed from NL8401866A external-priority patent/NL8401866A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB8514625D0 publication Critical patent/GB8514625D0/en
Publication of GB2162681A publication Critical patent/GB2162681A/en
Application granted granted Critical
Publication of GB2162681B publication Critical patent/GB2162681B/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
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/308—Semiconductor cathodes, e.g. cathodes with PN junction layers
    • 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
    • H01J1/13—Solid thermionic 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
    • H01J9/022—Manufacture of electrodes or electrode systems of cold 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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • 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

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cold Cathode And The Manufacture (AREA)
GB08514625A 1984-06-08 1985-06-10 Devices involving electron emission and methods of forming a layer of material reducing the electron work function Expired GB2162681B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8401841A NL8401841A (en) 1983-06-10 1984-06-08 ELECTROLYTIC COMPOSITION AND METHOD FOR ELECTROLYTIC PRECIPITATION OF COPPER.
NL8401866A NL8401866A (en) 1984-06-13 1984-06-13 Apparatus for electron emission provided with an electron-emitting body having a layer of exit potential-lowering material and a method for applying such a layer of exit-reducing material.

Publications (3)

Publication Number Publication Date
GB8514625D0 true GB8514625D0 (en) 1985-07-10
GB2162681A GB2162681A (en) 1986-02-05
GB2162681B GB2162681B (en) 1988-06-22

Family

ID=26645957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08514625A Expired GB2162681B (en) 1984-06-08 1985-06-10 Devices involving electron emission and methods of forming a layer of material reducing the electron work function

Country Status (1)

Country Link
GB (1) GB2162681B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8602330A (en) * 1986-09-15 1988-04-05 Philips Nv METHOD FOR CONTACTING SEMICONDUCTOR CATHODS, AND FOR MANUFACTURING AN ELECTRON TUBE PROVIDED WITH SUCH A CATHOD.
JP2946189B2 (en) * 1994-10-17 1999-09-06 キヤノン株式会社 Electron source, image forming apparatus, and activation method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB812403A (en) * 1954-08-06 1959-04-22 Emi Ltd Improvements in or relating to the formation of evaporated layers
GB943333A (en) * 1959-03-31 1963-12-04 Emi Ltd Improvements in or relating to alkali metal generators
GB1103766A (en) * 1964-04-30 1968-02-21 Poudres Metalliques Alliages Speciaux Ugine Carbone Improvements in or relating to vapourisation of metals and metalloids
DE2024286A1 (en) * 1969-05-24 1970-11-26 S.A.E.S. Getters S.P.A., Mailand (Italien) Alkali metal steam generator
DE2255736C3 (en) * 1972-11-14 1979-01-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Electric heater
JPS5139862B2 (en) * 1972-12-01 1976-10-30
JPS5210869A (en) * 1975-07-15 1977-01-27 Toshinori Takagi Thin film forming method
GB2040148A (en) * 1978-04-29 1980-08-20 Williamson W Heating apparatus

Also Published As

Publication number Publication date
GB2162681A (en) 1986-02-05
GB2162681B (en) 1988-06-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee