GB2162681B - Devices involving electron emission and methods of forming a layer of material reducing the electron work function - Google Patents

Devices involving electron emission and methods of forming a layer of material reducing the electron work function

Info

Publication number
GB2162681B
GB2162681B GB08514625A GB8514625A GB2162681B GB 2162681 B GB2162681 B GB 2162681B GB 08514625 A GB08514625 A GB 08514625A GB 8514625 A GB8514625 A GB 8514625A GB 2162681 B GB2162681 B GB 2162681B
Authority
GB
United Kingdom
Prior art keywords
methods
forming
layer
work function
electron
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
GB08514625A
Other versions
GB2162681A (en
GB8514625D0 (en
Inventor
Arthur Marie Eugen Hoeberechts
Hal Henricus Albertus Mari Van
Gorkom Gerardus Gegorius P Van
Harm Tolner
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 GB8514625D0 (en) 1985-07-10
GB2162681A GB2162681A (en) 1986-02-05
GB2162681B true 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
GB8514625D0 (en) 1985-07-10

Similar Documents

Publication Publication Date Title
EP0434001A3 (en) Electron emission device and method of manufacturing the same
DE3377369D1 (en) A dyed sheet material having super-entangled surface portion and method of producing the same
EP0154573A3 (en) Semiconductor planarization process and structures made thereby
EP0167446A3 (en) Semiconductor material and substrate
DE3567316D1 (en) Method of manufacturing a scandate dispenser cathode and dispenser cathode manufactured by means of the method
GB2121317B (en) Laminar composite material and a method of its manufacture
EP0278405A3 (en) Electron emission element and method of manufacturing the same
EP0168986A3 (en) Device for the application of at least one coating layer and a process for the operation of this device
EP0416558A3 (en) Electron emission element and method of manufacturing the same
DE3561781D1 (en) Electron gun
GB2176050B (en) Shadow mask and fabricating method therefor
GB2116479B (en) A tentless continuous mailer assembly and a method of fabricating the same
GB2162681B (en) Devices involving electron emission and methods of forming a layer of material reducing the electron work function
DE3572748D1 (en) Electron gun
GB8403298D0 (en) Electron multipliers
DE3568384D1 (en) Electron gun
SG26094G (en) Method of producing mixed metal oxide material, and of producing a body comprising the material
EP0181303A3 (en) Tool in the form of a compound body and method of producing the same
GB2160884B (en) Luminescent material
DE3477090D1 (en) Travelling-wave tube and manufacturing method of the same
AU592583B2 (en) A neodymium compound and the method of manufacture
GB8522866D0 (en) Electron gun
ZA852832B (en) Laminated material and method for manufacturing the same
DE3468429D1 (en) Lamp envelope having a luminescent material on the interior surface thereof, method of applying said material and material to be applied
GB8524036D0 (en) Secondary electron emission surface

Legal Events

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