CH319758A - Supply cathode and process for their manufacture - Google Patents

Supply cathode and process for their manufacture

Info

Publication number
CH319758A
CH319758A CH319758DA CH319758A CH 319758 A CH319758 A CH 319758A CH 319758D A CH319758D A CH 319758DA CH 319758 A CH319758 A CH 319758A
Authority
CH
Switzerland
Prior art keywords
manufacture
supply cathode
cathode
supply
Prior art date
Application number
Other languages
German (de)
Inventor
Johannes Lemmens Hendrikus
Jacobus Jansen Marinus
Willem Haayman Pieter
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 CH319758A publication Critical patent/CH319758A/en

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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • 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
    • H01J9/047—Cathodes having impregnated bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Microwave Tubes (AREA)
CH319758D 1953-02-26 1954-02-24 Supply cathode and process for their manufacture CH319758A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL319758X 1953-02-26

Publications (1)

Publication Number Publication Date
CH319758A true CH319758A (en) 1957-02-28

Family

ID=19783943

Family Applications (1)

Application Number Title Priority Date Filing Date
CH319758D CH319758A (en) 1953-02-26 1954-02-24 Supply cathode and process for their manufacture

Country Status (6)

Country Link
US (1) US2867742A (en)
BE (1) BE526781A (en)
CH (1) CH319758A (en)
DE (1) DE1028697B (en)
FR (1) FR1093864A (en)
GB (1) GB739645A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965793A (en) * 1959-05-12 1960-12-20 Westinghouse Electric Corp Electron device
DE1253818B (en) * 1963-05-08 1967-11-09 Hitachi Ltd Gas discharge tubes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE674258C (en) * 1934-01-27 1939-04-11 Telefunken Gmbh Indirectly heated glow cathode for cathode ray tubes and process for their production
DE669029C (en) * 1934-06-29 1938-12-15 Siemens Schuckertwerke Akt Ges Self-heating cathode
GB445575A (en) * 1934-10-12 1936-04-14 Gen Electric Co Ltd Improvements in or relating to electric discharge devices
US2175345A (en) * 1935-07-12 1939-10-10 Gen Electric Electric gaseous discharge device
US2171238A (en) * 1937-09-02 1939-08-29 Westinghouse Electric & Mfg Co Discharge device and electrode
US2492142A (en) * 1945-10-17 1949-12-27 Kenneth J Germeshausen Electric system embodying coldcathode gaseous discharge device
BE486002A (en) * 1947-11-26
US2721372A (en) * 1951-06-30 1955-10-25 Philips Corp Incandescible cathodes

Also Published As

Publication number Publication date
FR1093864A (en) 1955-05-10
GB739645A (en) 1955-11-02
US2867742A (en) 1959-01-06
DE1028697B (en) 1958-04-24
BE526781A (en)

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