FR1093864A - Cathode à réserve et son procédé de fabrication - Google Patents

Cathode à réserve et son procédé de fabrication

Info

Publication number
FR1093864A
FR1093864A FR1093864DA FR1093864A FR 1093864 A FR1093864 A FR 1093864A FR 1093864D A FR1093864D A FR 1093864DA FR 1093864 A FR1093864 A FR 1093864A
Authority
FR
France
Prior art keywords
manufacturing process
reserve cathode
reserve
cathode
manufacturing
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
Other languages
English (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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1093864A publication Critical patent/FR1093864A/fr
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
    • H01J1/13—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)
FR1093864D 1953-02-26 1954-02-24 Cathode à réserve et son procédé de fabrication Expired FR1093864A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1093864A true FR1093864A (fr) 1955-05-10

Family

ID=19783943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1093864D Expired FR1093864A (fr) 1953-02-26 1954-02-24 Cathode à réserve et son procédé de fabrication

Country Status (6)

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

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 (de) * 1963-05-08 1967-11-09 Hitachi Ltd Gasentladungsroehre

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE674258C (de) * 1934-01-27 1939-04-11 Telefunken Gmbh Indirekt geheizte Gluehkathode fuer Kathodenstrahlroehren und Verfahren zu ihrer Herstellung
DE669029C (de) * 1934-06-29 1938-12-15 Siemens Schuckertwerke Akt Ges Selbstaufheizkathode
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
NL69486C (fr) * 1947-11-26
US2721372A (en) * 1951-06-30 1955-10-25 Philips Corp Incandescible cathodes

Also Published As

Publication number Publication date
BE526781A (fr)
DE1028697B (de) 1958-04-24
GB739645A (en) 1955-11-02
CH319758A (de) 1957-02-28
US2867742A (en) 1959-01-06

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