FR1204038A - Equipotential cathode for discharge tube - Google Patents

Equipotential cathode for discharge tube

Info

Publication number
FR1204038A
FR1204038A FR1204038DA FR1204038A FR 1204038 A FR1204038 A FR 1204038A FR 1204038D A FR1204038D A FR 1204038DA FR 1204038 A FR1204038 A FR 1204038A
Authority
FR
France
Prior art keywords
discharge tube
equipotential cathode
equipotential
cathode
discharge
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
French (fr)
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 FR1204038A publication Critical patent/FR1204038A/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
    • H01J1/13—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
    • 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
    • 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
    • H01J1/15—Cathodes heated directly by an electric current
    • 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
    • H01J1/15—Cathodes heated directly by an electric current
    • H01J1/16—Cathodes heated directly by an electric current characterised by the shape
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
FR1204038D 1957-10-04 1958-10-03 Equipotential cathode for discharge tube Expired FR1204038A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL221344 1957-10-04
NL225825 1958-03-13

Publications (1)

Publication Number Publication Date
FR1204038A true FR1204038A (en) 1960-01-22

Family

ID=26641626

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1204038D Expired FR1204038A (en) 1957-10-04 1958-10-03 Equipotential cathode for discharge tube

Country Status (7)

Country Link
US (1) US2949557A (en)
BE (1) BE571711A (en)
CH (1) CH366905A (en)
DE (1) DE1063718B (en)
FR (1) FR1204038A (en)
GB (1) GB829339A (en)
NL (1) NL95320C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3318716A (en) * 1962-09-11 1967-05-09 Pennsalt Chemicals Corp Foam reduction and coating
NL272248A (en) * 1960-12-15
DE1180468B (en) * 1961-04-21 1964-10-29 Siemens Elektrogeraete Gmbh Cooking chamber of an HF radiation cooker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526054A (en) * 1940-03-13 1950-10-17 M O Valve Co Ltd Electrode assembly for very highfrequency electron discharge devices
GB582162A (en) * 1940-03-13 1946-11-07 M O Valve Co Ltd Improvements in thermionic valves adapted to operate at very high frequencies
BE518861A (en) * 1952-04-01

Also Published As

Publication number Publication date
NL95320C (en)
US2949557A (en) 1960-08-16
CH366905A (en) 1963-01-31
DE1063718B (en) 1959-08-20
BE571711A (en)
GB829339A (en) 1960-03-02

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