CH424001A - Electric discharge tube with unheated field emission cathode - Google Patents

Electric discharge tube with unheated field emission cathode

Info

Publication number
CH424001A
CH424001A CH1111763A CH1111763A CH424001A CH 424001 A CH424001 A CH 424001A CH 1111763 A CH1111763 A CH 1111763A CH 1111763 A CH1111763 A CH 1111763A CH 424001 A CH424001 A CH 424001A
Authority
CH
Switzerland
Prior art keywords
unheated
discharge tube
electric discharge
field emission
emission cathode
Prior art date
Application number
CH1111763A
Other languages
German (de)
Inventor
Johannes Van Oostrom Gerardus
Venema Albertus
Original Assignee
Philips 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
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH424001A publication Critical patent/CH424001A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/20—Selection of substances for gas fillings; Specified operating pressures or temperatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/74—Cooling arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/12—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • 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
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Solid Thermionic Cathode (AREA)
CH1111763A 1962-09-11 1963-09-09 Electric discharge tube with unheated field emission cathode CH424001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL283116A NL113462C (en) 1962-09-11 1962-09-11

Publications (1)

Publication Number Publication Date
CH424001A true CH424001A (en) 1966-11-15

Family

ID=19754096

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1111763A CH424001A (en) 1962-09-11 1963-09-09 Electric discharge tube with unheated field emission cathode

Country Status (7)

Country Link
US (1) US3275865A (en)
BE (1) BE637187A (en)
CH (1) CH424001A (en)
DE (1) DE1280422B (en)
DK (1) DK108368C (en)
GB (1) GB1019136A (en)
NL (1) NL113462C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5698942A (en) * 1996-07-22 1997-12-16 University Of North Carolina Field emitter flat panel display device and method for operating same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT160477B (en) * 1937-02-16 1941-06-10 Loewe Radio Ag Electron amplifier with photocathode.
DE689830C (en) * 1937-05-15 1940-04-04 Siemens & Halske Akt Ges Process for improving the emission properties of cold tip cathodes

Also Published As

Publication number Publication date
US3275865A (en) 1966-09-27
GB1019136A (en) 1966-02-02
DK108368C (en) 1967-11-27
BE637187A (en)
NL113462C (en) 1966-12-10
DE1280422B (en) 1968-10-17

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