NL7304069A - - Google Patents

Info

Publication number
NL7304069A
NL7304069A NL7304069A NL7304069A NL7304069A NL 7304069 A NL7304069 A NL 7304069A NL 7304069 A NL7304069 A NL 7304069A NL 7304069 A NL7304069 A NL 7304069A NL 7304069 A NL7304069 A NL 7304069A
Authority
NL
Netherlands
Application number
NL7304069A
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 FR7210660A external-priority patent/FR2182619A1/fr
Priority claimed from FR7210659A external-priority patent/FR2177497B1/fr
Application filed filed Critical
Publication of NL7304069A publication Critical patent/NL7304069A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/12Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/022Manufacture of electrodes or electrode systems of cold cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00Electrodes common to discharge tubes
    • H01J2201/32Secondary emission electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00Electrodes common to discharge tubes
    • H01J2201/34Photoemissive electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Silicon Compounds (AREA)
NL7304069A 1972-03-27 1973-03-23 NL7304069A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7210660A FR2182619A1 (en) 1972-03-27 1972-03-27 Cold cathode for electro emission devices - by lowering the extraction potential using a diffused dopant
FR7210659A FR2177497B1 (fi) 1972-03-27 1972-03-27

Publications (1)

Publication Number Publication Date
NL7304069A true NL7304069A (fi) 1973-10-01

Family

ID=26217000

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7304069A NL7304069A (fi) 1972-03-27 1973-03-23

Country Status (5)

Country Link
JP (1) JPS5721823B2 (fi)
AU (1) AU5363873A (fi)
CA (1) CA1005151A (fi)
GB (1) GB1413552A (fi)
NL (1) NL7304069A (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5117148Y2 (fi) * 1971-10-01 1976-05-10

Also Published As

Publication number Publication date
CA1005151A (en) 1977-02-08
AU5363873A (en) 1974-09-26
GB1413552A (en) 1975-11-12
JPS5721823B2 (fi) 1982-05-10
JPS499178A (fi) 1974-01-26

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